From 1a84b37ca4abd28e8974068cffc0f71129a66e67 Mon Sep 17 00:00:00 2001
From: RussellDash332 <russellsaerang@gmail.com>
Date: Thu, 25 Apr 2024 23:51:15 +0800
Subject: [PATCH] Second update asof 25 April 2024

---
 README.md                                     | 298 ++++++-----
 docs/index.html                               | 500 +++++++++++++-----
 src/Double Dealing/double.py                  |  16 +
 .../isomorphicinversion.py                    |   9 +
 .../manhattanpositioningsystem.py             |  64 +++
 src/Stars in a Can/starsinacan.py             |  80 +++
 6 files changed, 682 insertions(+), 285 deletions(-)
 create mode 100644 src/Double Dealing/double.py
 create mode 100644 src/Isomorphic Inversion/isomorphicinversion.py
 create mode 100644 src/Manhattan Positioning System/manhattanpositioningsystem.py
 create mode 100644 src/Stars in a Can/starsinacan.py

diff --git a/README.md b/README.md
index 772b90e3..9b6ec5de 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # Kattis Solutions
 ![Visitors](https://count.getloli.com/get/@RussellDash332)
 
-## Total problems solved: 2110
+## Total problems solved: 2122
 
 Note that the tables below are auto-generated using [autokattis](https://github.com/RussellDash332/autokattis).
 
@@ -20,17 +20,17 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[3D Printed Statues](https://open.kattis.com/problems/3dprinter)| 3dprinter |2.9|[![cpp](images/cpp.png)]()|
 |[3-Sided Dice](https://open.kattis.com/problems/3sideddice)| 3sideddice |8.5|[![py](images/python.png)](src/3-Sided%20Dice/3sideddice.py)|
 |[4 thought](https://open.kattis.com/problems/4thought)| 4thought |3.1|[![py](images/python.png)]()|
-|[Eight Queens](https://open.kattis.com/problems/8queens)| 8queens |2.9|[![py](images/python.png)]()|
+|[Eight Queens](https://open.kattis.com/problems/8queens)| 8queens |3.0|[![py](images/python.png)]()|
 |[99 Problems (1)](https://open.kattis.com/problems/99problems)| 99problems |2.9|[![py](images/python.png)]()|
 |[99 Problems (2)](https://open.kattis.com/problems/99problems2)| 99problems2 |5.7|[![java](images/java.png)]()|
 |[A1 Paper](https://open.kattis.com/problems/a1paper)| a1paper |4.2|[![py](images/python.png)]()|
 |[Aaah!](https://open.kattis.com/problems/aaah)| aaah |1.6|[![cpp](images/cpp.png)]()|
-|[Abandoned Animal](https://open.kattis.com/problems/abandonedanimal)| abandonedanimal |5.1|[![py](images/python.png)]()|
+|[Abandoned Animal](https://open.kattis.com/problems/abandonedanimal)| abandonedanimal |5.2|[![py](images/python.png)]()|
 |[ABC](https://open.kattis.com/problems/abc)| abc |2.4|[![cpp](images/cpp.png)]()[![java](images/java.png)]()|
 |[Ab Initio](https://open.kattis.com/problems/abinitio)| abinitio |7.1|[![java](images/java.png)](src/Ab%20Initio/AbInitio.java)[![py](images/python.png)](src/Ab%20Initio/abinitio.py)|
 |[Above Average](https://open.kattis.com/problems/aboveaverage)| aboveaverage |2.3|[![cpp](images/cpp.png)]()|
 |[Abridged Reading](https://open.kattis.com/problems/abridgedreading)| abridgedreading |5.7|[![py](images/python.png)](src/Abridged%20Reading/abridgedreading.py)|
-|[Absolutely Symmetric](https://open.kattis.com/problems/absolutelysymmetric)| absolutelysymmetric |3.9|[![py](images/python.png)]()|
+|[Absolutely Symmetric](https://open.kattis.com/problems/absolutelysymmetric)| absolutelysymmetric |4.0|[![py](images/python.png)]()|
 |[Abstract Art](https://open.kattis.com/problems/abstractart)| abstractart |6.9|[![java](images/java.png)](src/Abstract%20Art/AbstractArt.java)|
 |[Abstract Painting](https://open.kattis.com/problems/abstractpainting)| abstractpainting |4.2|[![py](images/python.png)]()|
 |[Absurdistan Roads II](https://open.kattis.com/problems/absurdistan2)| absurdistan2 |6.8|[![py](images/python.png)]()|
@@ -49,7 +49,7 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Ads](https://open.kattis.com/problems/ads)| ads |5.1|[![py](images/python.png)]()|
 |[Adventures in Moving -- Part IV](https://open.kattis.com/problems/adventuremoving4)| adventuremoving4 |5.3|[![py](images/python.png)]()|
 |[Agamemnon's Odyssey](https://open.kattis.com/problems/agamemnonsodyssey)| agamemnonsodyssey |4.8|[![py](images/python.png)]()|
-|[AI Jeopardy](https://open.kattis.com/problems/aijeopardy)| aijeopardy |6.9|[![py](images/python.png)](src/AI%20Jeopardy/aijeopardy.py)|
+|[AI Jeopardy](https://open.kattis.com/problems/aijeopardy)| aijeopardy |6.8|[![py](images/python.png)](src/AI%20Jeopardy/aijeopardy.py)|
 |[Air Conditioned Minions](https://open.kattis.com/problems/airconditioned)| airconditioned |3.3|[![py](images/python.png)]()|
 |[Airline Hub](https://open.kattis.com/problems/airlinehub)| airlinehub |6.8|[![py](images/python.png)](src/Airline%20Hub/airlinehub.py)|
 |[Airports](https://open.kattis.com/problems/airports)| airports |5.1|[![py](images/python.png)]()|
@@ -66,7 +66,7 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[All Different Directions](https://open.kattis.com/problems/alldifferentdirections)| alldifferentdirections |2.7|[![py](images/python.png)]()|
 |[Alloys](https://open.kattis.com/problems/alloys)| alloys |4.1|[![cpp](images/cpp.png)]()|
 |[All Pairs Shortest Path](https://open.kattis.com/problems/allpairspath)| allpairspath |5.8|[![java](images/java.png)](src/All%20Pairs%20Shortest%20Path/AllPairsPath.java)|
-|[Almost Perfect](https://open.kattis.com/problems/almostperfect)| almostperfect |3.0|[![py](images/python.png)]()|
+|[Almost Perfect](https://open.kattis.com/problems/almostperfect)| almostperfect |3.1|[![py](images/python.png)]()|
 |[Almost Sorted (1)](https://open.kattis.com/problems/almostsorted)| almostsorted |7.3|[![py](images/python.png)](src/Almost%20Sorted%20(1)/almostsorted.py)|
 |[Almost Sorted (2)](https://open.kattis.com/problems/almostsorted2)| almostsorted2 |5.0|[![py](images/python.png)]()|
 |[Almost Union-Find](https://open.kattis.com/problems/almostunionfind)| almostunionfind |4.1|[![java](images/java.png)]()[![py](images/python.png)]()|
@@ -82,7 +82,7 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Anagram Counting](https://open.kattis.com/problems/anagramcounting)| anagramcounting |2.9|[![py](images/python.png)]()|
 |[AND Permutation](https://open.kattis.com/problems/andpermutation)| andpermutation |7.4|[![py](images/python.png)]()|
 |[Andrew the Ant](https://open.kattis.com/problems/andrewant)| andrewant |5.1|[![py](images/python.png)]()|
-|[A New Alphabet](https://open.kattis.com/problems/anewalphabet)| anewalphabet |2.5|[![cpp](images/cpp.png)]()|
+|[A New Alphabet](https://open.kattis.com/problems/anewalphabet)| anewalphabet |2.6|[![cpp](images/cpp.png)]()|
 |[Alternative Anagram](https://open.kattis.com/problems/annorlundaanagram)| annorlundaanagram |5.2|[![py](images/python.png)]()|
 |[Annoyed Coworkers](https://open.kattis.com/problems/annoyedcoworkers)| annoyedcoworkers |3.1|[![py](images/python.png)]()|
 |[Another Brick in the Wall](https://open.kattis.com/problems/anotherbrick)| anotherbrick |2.3|[![py](images/python.png)]()|
@@ -96,7 +96,7 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Antiarihmetic](https://open.kattis.com/problems/antiarithmetic)| antiarithmetic |7.1|[![py](images/python.png)](src/Antiarihmetic/antiarithmetic.py)|
 |[Anti-Palindrome](https://open.kattis.com/problems/antipalindrome)| antipalindrome |2.1|[![py](images/python.png)]()|
 |[Fancy Antiques](https://open.kattis.com/problems/antiques)| antiques |8.0|[![py](images/python.png)]()|
-|[Ants](https://open.kattis.com/problems/ants)| ants |2.4|[![py](images/python.png)]()|
+|[Ants](https://open.kattis.com/problems/ants)| ants |2.3|[![py](images/python.png)]()|
 |[Apaxiaaaaaaaaaaaans!](https://open.kattis.com/problems/apaxiaaans)| apaxiaaans |1.4|[![java](images/java.png)]()[![js](images/javascript.png)]()[![py](images/python.png)]()|
 |[Honour Thy (Apaxian) Parent](https://open.kattis.com/problems/apaxianparent)| apaxianparent |1.9|[![cpp](images/cpp.png)]()|
 |[A Pivotal Question](https://open.kattis.com/problems/apivotalquestion)| apivotalquestion |4.5|[![py](images/python.png)]()|
@@ -109,7 +109,7 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Aqueduct Construction](https://open.kattis.com/problems/aqueducts)| aqueducts |6.7|[![py](images/python.png)]()|
 |[Arbitrage](https://open.kattis.com/problems/arbitrage)| arbitrage |3.8|[![py](images/python.png)]()|
 |[Archimedes](https://open.kattis.com/problems/archimedes)| archimedes |6.1|[![py](images/python.png)](src/Archimedes/archimedes.py)|
-|[Architecture](https://open.kattis.com/problems/architecture)| architecture |2.8|[![py](images/python.png)]()|
+|[Architecture](https://open.kattis.com/problems/architecture)| architecture |2.9|[![py](images/python.png)]()|
 |[Arctic Network](https://open.kattis.com/problems/arcticnetwork)| arcticnetwork |3.6|[![java](images/java.png)]()|
 |[A Real Challenge](https://open.kattis.com/problems/areal)| areal |2.2|[![cpp](images/cpp.png)]()|
 |[Are You Listening](https://open.kattis.com/problems/areyoulistening)| areyoulistening |2.4|[![py](images/python.png)]()|
@@ -126,7 +126,7 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Amalgamated Artichokes](https://open.kattis.com/problems/artichoke)| artichoke |2.7|[![py](images/python.png)]()|
 |[Artur](https://open.kattis.com/problems/artur)| artur |7.1|[![py](images/python.png)](src/Artur/artur.py)|
 |[ASCII Addition](https://open.kattis.com/problems/asciiaddition)| asciiaddition |2.4|[![py](images/python.png)]()|
-|[ASCII Figure Rotation](https://open.kattis.com/problems/asciifigurerotation)| asciifigurerotation |3.4|[![py](images/python.png)]()|
+|[ASCII Figure Rotation](https://open.kattis.com/problems/asciifigurerotation)| asciifigurerotation |3.3|[![py](images/python.png)]()|
 |[ASCII kassi](https://open.kattis.com/problems/asciikassi)| asciikassi |1.5|[![py](images/python.png)]()|
 |[ASCII Kassi 2](https://open.kattis.com/problems/asciikassi2)| asciikassi2 |2.3|[![py](images/python.png)]()|
 |[Ask Marilyn](https://open.kattis.com/problems/askmarilyn)| askmarilyn |4.0|[![py](images/python.png)]()|
@@ -146,7 +146,7 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Avoiding the Apocalypse](https://open.kattis.com/problems/avoidingtheapocalypse)| avoidingtheapocalypse |3.9|[![py](images/python.png)]()|
 |[Avoidland](https://open.kattis.com/problems/avoidland)| avoidland |3.1|[![py](images/python.png)]()|
 |[Awkward Party](https://open.kattis.com/problems/awkwardparty)| awkwardparty |2.7|[![py](images/python.png)]()|
-|[Babelfish](https://open.kattis.com/problems/babelfish)| babelfish |2.5|[![py](images/python.png)]()|
+|[Babelfish](https://open.kattis.com/problems/babelfish)| babelfish |2.4|[![py](images/python.png)]()|
 |[Baby Bites](https://open.kattis.com/problems/babybites)| babybites |1.9|[![py](images/python.png)]()|
 |[Babylonian Numbers](https://open.kattis.com/problems/babylonian)| babylonian |2.1|[![py](images/python.png)]()|
 |[Baby Names](https://open.kattis.com/problems/babynames)| babynames |5.8|[![java](images/java.png)]()|
@@ -165,32 +165,33 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Bank Queue](https://open.kattis.com/problems/bank)| bank |3.0|[![py](images/python.png)]()|
 |[Bannorð](https://open.kattis.com/problems/bannord)| bannord |1.7|[![py](images/python.png)]()|
 |[Bard](https://open.kattis.com/problems/bard)| bard |2.5|[![py](images/python.png)]()|
-|[Bar Shelf](https://open.kattis.com/problems/barshelf)| barshelf |7.0|[![py](images/python.png)]()|
+|[Bar Shelf](https://open.kattis.com/problems/barshelf)| barshelf |7.1|[![py](images/python.png)]()|
 |[Base-2 Palindromes](https://open.kattis.com/problems/base2palindrome)| base2palindrome |4.5|[![py](images/python.png)]()|
 |[basic](https://open.kattis.com/problems/basic)| basic |8.2|[![py](images/python.png)](src/basic/basic.py)|
 |[BASIC Interpreter](https://open.kattis.com/problems/basicinterpreter)| basicinterpreter |5.4|[![py](images/python.png)](src/BASIC%20Interpreter/basicinterpreter.py)|
 |[Basic Programming 1](https://open.kattis.com/problems/basicprogramming1)| basicprogramming1 |4.9|[![cpp](images/cpp.png)]()|
 |[Basic Programming 2](https://open.kattis.com/problems/basicprogramming2)| basicprogramming2 |4.0|[![java](images/java.png)]()|
-|[Basic Remains](https://open.kattis.com/problems/basicremains)| basicremains |3.8|[![py](images/python.png)]()|
-|[Basketball One-on-One](https://open.kattis.com/problems/basketballoneonone)| basketballoneonone |1.5|[![py](images/python.png)]()|
+|[Basic Remains](https://open.kattis.com/problems/basicremains)| basicremains |3.7|[![py](images/python.png)]()|
+|[Basketball One-on-One](https://open.kattis.com/problems/basketballoneonone)| basketballoneonone |1.6|[![py](images/python.png)]()|
 |[Saunas](https://open.kattis.com/problems/bastubad)| bastubad |4.6|[![py](images/python.png)]()|
 |[Batmanacci](https://open.kattis.com/problems/batmanacci)| batmanacci |3.3|[![py](images/python.png)]()|
 |[Exploding Batteries](https://open.kattis.com/problems/batteries)| batteries |4.1|[![py](images/python.png)]()|
 |[Batter Up](https://open.kattis.com/problems/batterup)| batterup |1.4|[![cpp](images/cpp.png)]()|
 |[Battleship](https://open.kattis.com/problems/battleship)| battleship |4.7|[![py](images/python.png)](src/Battleship/battleship.py)|
-|[Battle Simulation](https://open.kattis.com/problems/battlesimulation)| battlesimulation |2.9|[![py](images/python.png)]()|
+|[Battle Simulation](https://open.kattis.com/problems/battlesimulation)| battlesimulation |2.8|[![py](images/python.png)]()|
 |[Bazen](https://open.kattis.com/problems/bazen)| bazen |2.6|[![cpp](images/cpp.png)]()|
 |[Jack and the Beanbag](https://open.kattis.com/problems/beanbag)| beanbag |4.9|[![py](images/python.png)]()|
-|[Beat the Spread!](https://open.kattis.com/problems/beatspread)| beatspread |2.3|[![py](images/python.png)]()|
+|[Beat the Spread!](https://open.kattis.com/problems/beatspread)| beatspread |2.4|[![py](images/python.png)]()|
 |[Beautiful Primes](https://open.kattis.com/problems/beautifulprimes)| beautifulprimes |4.2|[![py](images/python.png)]()|
 |[Beavergnaw](https://open.kattis.com/problems/beavergnaw)| beavergnaw |1.8|[![cpp](images/cpp.png)]()|
 |[Beehives](https://open.kattis.com/problems/beehives)| beehives |2.2|[![py](images/python.png)]()|
 |[Beekeeper](https://open.kattis.com/problems/beekeeper)| beekeeper |2.7|[![py](images/python.png)]()|
+|[Beep Code](https://open.kattis.com/problems/beepcode)| beepcode |3.5|[![py](images/python.png)]()|
 |[Collecting Beepers](https://open.kattis.com/problems/beepers)| beepers |4.4|[![py](images/python.png)]()|
 |[Bee Problem](https://open.kattis.com/problems/beeproblem)| beeproblem |4.3|[![py](images/python.png)]()|
 |[Bela](https://open.kattis.com/problems/bela)| bela |1.4|[![cpp](images/cpp.png)]()|
 |[Bendilfærslur](https://open.kattis.com/problems/bendilfaerslur)| bendilfaerslur |5.9|[![py](images/python.png)]()|
-|[Bergur](https://open.kattis.com/problems/bergur)| bergur |2.6|[![py](images/python.png)]()|
+|[Bergur](https://open.kattis.com/problems/bergur)| bergur |2.7|[![py](images/python.png)]()|
 |[Besta gjöfin](https://open.kattis.com/problems/bestagjofin)| bestagjofin |1.3|[![py](images/python.png)]()|
 |[Best Before](https://open.kattis.com/problems/bestbefore)| bestbefore |3.8|[![py](images/python.png)]()|
 |[Best Compression Ever](https://open.kattis.com/problems/bestcompression)| bestcompression |2.6|[![py](images/python.png)]()|
@@ -211,8 +212,8 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Binary Choosing](https://open.kattis.com/problems/binarychoosing)| binarychoosing |5.1|[![py](images/python.png)]()|
 |[Binary Voting](https://open.kattis.com/problems/binaryvoting)| binaryvoting |5.9|[![py](images/python.png)](src/Binary%20Voting/binaryvoting.py)|
 |[Bing It On](https://open.kattis.com/problems/bing)| bing |2.7|[![py](images/python.png)]()|
-|[Bíóferð](https://open.kattis.com/problems/bioferd)| bioferd |3.9|[![py](images/python.png)]()|
-|[Birds on a Wire](https://open.kattis.com/problems/birds)| birds |3.3|[![py](images/python.png)]()|
+|[Bíóferð](https://open.kattis.com/problems/bioferd)| bioferd |4.1|[![py](images/python.png)]()|
+|[Birds on a Wire](https://open.kattis.com/problems/birds)| birds |3.4|[![py](images/python.png)]()|
 |[Birthday Party](https://open.kattis.com/problems/birthday)| birthday |2.7|[![py](images/python.png)]()|
 |[Birthday Boy](https://open.kattis.com/problems/birthdayboy)| birthdayboy |4.7|[![py](images/python.png)]()|
 |[Birthday Paradox](https://open.kattis.com/problems/birthdayparadox)| birthdayparadox |5.4|[![py](images/python.png)]()|
@@ -220,7 +221,7 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Bit by Bit](https://open.kattis.com/problems/bitbybit)| bitbybit |3.4|[![py](images/python.png)]()|
 |[Bitmask](https://open.kattis.com/problems/bitmask)| bitmask |3.3|[![py](images/python.png)]()|
 |[Bits](https://open.kattis.com/problems/bits)| bits |2.5|[![py](images/python.png)]()|
-|[Bits Equalizer](https://open.kattis.com/problems/bitsequalizer)| bitsequalizer |4.2|[![py](images/python.png)]()|
+|[Bits Equalizer](https://open.kattis.com/problems/bitsequalizer)| bitsequalizer |4.1|[![py](images/python.png)]()|
 |[Bitte ein Bit](https://open.kattis.com/problems/bitteeinbit)| bitteeinbit |1.4|[![py](images/python.png)]()|
 |[Bitwise](https://open.kattis.com/problems/bitwise)| bitwise |6.5|[![py](images/python.png)](src/Bitwise/bitwise.py)|
 |[BizzFuzz](https://open.kattis.com/problems/bizzfuzz)| bizzfuzz |4.7|[![py](images/python.png)]()|
@@ -243,12 +244,12 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Book Club](https://open.kattis.com/problems/bookclub)| bookclub |4.8|[![py](images/python.png)]()|
 |[Booking a Room](https://open.kattis.com/problems/bookingaroom)| bookingaroom |1.7|[![py](images/python.png)]()|
 |[Booming Business](https://open.kattis.com/problems/boomingbusiness)| boomingbusiness |4.7|[![py](images/python.png)](src/Booming%20Business/boomingbusiness.py)|
-|[Bootstrapping Number](https://open.kattis.com/problems/bootstrappingnumber)| bootstrappingnumber |2.8|[![py](images/python.png)]()|
+|[Bootstrapping Number](https://open.kattis.com/problems/bootstrappingnumber)| bootstrappingnumber |2.9|[![py](images/python.png)]()|
 |[Borders](https://open.kattis.com/problems/borders)| borders |6.9|[![py](images/python.png)](src/Borders/borders.py)|
 |[Borðspil](https://open.kattis.com/problems/bordspil)| bordspil |4.1|[![py](images/python.png)]()|
-|[Killing Aliens in a Borg Maze](https://open.kattis.com/problems/borg)| borg |3.7|[![py](images/python.png)]()|
+|[Killing Aliens in a Borg Maze](https://open.kattis.com/problems/borg)| borg |3.8|[![py](images/python.png)]()|
 |[The Stock Market](https://open.kattis.com/problems/borsen)| borsen |3.4|[![py](images/python.png)]()|
-|[Boss Battle](https://open.kattis.com/problems/bossbattle)| bossbattle |1.9|[![py](images/python.png)]()|
+|[Boss Battle](https://open.kattis.com/problems/bossbattle)| bossbattle |2.0|[![py](images/python.png)]()|
 |[Bottled-Up Feelings](https://open.kattis.com/problems/bottledup)| bottledup |2.5|[![py](images/python.png)]()|
 |[Bottle Flip](https://open.kattis.com/problems/bottleflip)| bottleflip |2.3|[![py](images/python.png)]()|
 |[Curvy Little Bottles](https://open.kattis.com/problems/bottles)| bottles |3.0|[![py](images/python.png)]()|
@@ -264,7 +265,7 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Breaking Branches](https://open.kattis.com/problems/breakingbranches)| breakingbranches |1.6|[![py](images/python.png)]()|
 |[Brexit](https://open.kattis.com/problems/brexit)| brexit |3.0|[![py](images/python.png)]()|
 |[Brexit Negotiations](https://open.kattis.com/problems/brexitnegotiations)| brexitnegotiations |5.1|[![py](images/python.png)]()|
-|[Bribe](https://open.kattis.com/problems/bribe)| bribe |5.7|[![py](images/python.png)](src/Bribe/bribe.py)|
+|[Bribe](https://open.kattis.com/problems/bribe)| bribe |5.4|[![py](images/python.png)](src/Bribe/bribe.py)|
 |[Bridge](https://open.kattis.com/problems/bridge)| bridge |6.6|[![py](images/python.png)]()|
 |[Bridges and Tunnels](https://open.kattis.com/problems/bridgesandtunnels)| bridgesandtunnels |3.0|[![java](images/java.png)]()[![py](images/python.png)]()|
 |[Brocard Point of a Triangle](https://open.kattis.com/problems/brocard)| brocard |3.7|[![cpp](images/cpp.png)]()|
@@ -321,7 +322,7 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Card Trading](https://open.kattis.com/problems/cardtrading)| cardtrading |2.9|[![java](images/java.png)]()[![py](images/python.png)]()|
 |[Card Trick](https://open.kattis.com/problems/cardtrick2)| cardtrick2 |2.0|[![java](images/java.png)]()|
 |[Careful Ascent](https://open.kattis.com/problems/carefulascent)| carefulascent |2.1|[![py](images/python.png)]()|
-|[Car Game](https://open.kattis.com/problems/cargame)| cargame |5.8|[![py](images/python.png)](src/Car%20Game/cargame.py)|
+|[Car Game](https://open.kattis.com/problems/cargame)| cargame |5.9|[![py](images/python.png)](src/Car%20Game/cargame.py)|
 |[Carousel Rides](https://open.kattis.com/problems/carousel)| carousel |2.6|[![py](images/python.png)]()|
 |[Stained Carpet](https://open.kattis.com/problems/carpet)| carpet |7.0|[![py](images/python.png)](src/Stained%20Carpet/carpet.py)|
 |[Solving for Carrots](https://open.kattis.com/problems/carrots)| carrots |1.3|[![java](images/java.png)]()[![js](images/javascript.png)]()[![py](images/python.png)]()|
@@ -331,11 +332,11 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Cat Coat Colors](https://open.kattis.com/problems/catcoat)| catcoat |3.1|[![py](images/python.png)]()|
 |[Catenyms](https://open.kattis.com/problems/catenyms)| catenyms |7.0|[![py](images/python.png)](src/Catenyms/catenyms.py)|
 |[Catering](https://open.kattis.com/problems/catering)| catering |4.0|[![py](images/python.png)]()|
-|[A Feast For Cats](https://open.kattis.com/problems/cats)| cats |4.2|[![java](images/java.png)]()|
+|[A Feast For Cats](https://open.kattis.com/problems/cats)| cats |4.1|[![java](images/java.png)]()|
 |[Cat vs. Dog](https://open.kattis.com/problems/catvsdog)| catvsdog |6.0|[![py](images/python.png)](src/Cat%20vs.%20Dog/catvsdog.py)|
 |[Cave Exploration](https://open.kattis.com/problems/caveexploration)| caveexploration |3.9|[![py](images/python.png)]()|
 |[Cave Exploration](https://open.kattis.com/problems/caveexploration2)| caveexploration2 |4.1|[![py](images/python.png)]()|
-|[CD](https://open.kattis.com/problems/cd)| cd |4.5|[![py](images/python.png)]()|
+|[CD](https://open.kattis.com/problems/cd)| cd |4.6|[![py](images/python.png)]()|
 |[Ceiling Function](https://open.kattis.com/problems/ceiling)| ceiling |2.2|[![py](images/python.png)]()|
 |[Opening Ceremony](https://open.kattis.com/problems/ceremony)| ceremony |3.4|[![cpp](images/cpp.png)]()[![py](images/python.png)]()|
 |[Cetiri](https://open.kattis.com/problems/cetiri)| cetiri |1.8|[![py](images/python.png)]()|
@@ -346,7 +347,7 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Chanukah Challenge](https://open.kattis.com/problems/chanukah)| chanukah |1.3|[![cpp](images/cpp.png)]()|
 |[Character Development](https://open.kattis.com/problems/character)| character |2.3|[![py](images/python.png)]()|
 |[Charged](https://open.kattis.com/problems/charged)| charged |2.3|[![py](images/python.png)]()|
-|[Charting Progress](https://open.kattis.com/problems/chartingprogress)| chartingprogress |2.1|[![py](images/python.png)]()|
+|[Charting Progress](https://open.kattis.com/problems/chartingprogress)| chartingprogress |2.2|[![py](images/python.png)]()|
 |[Chatter](https://open.kattis.com/problems/chatter)| chatter |4.0|[![py](images/python.png)]()|
 |[Cheating at War](https://open.kattis.com/problems/cheatingatwar)| cheatingatwar |5.5|[![py](images/python.png)]()|
 |[Cheating Students](https://open.kattis.com/problems/cheatingstudents)| cheatingstudents |2.9|[![py](images/python.png)]()|
@@ -361,7 +362,7 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Chewbacca](https://open.kattis.com/problems/chewbacca)| chewbacca |3.2|[![py](images/python.png)]()|
 |[Chinese Remainder](https://open.kattis.com/problems/chineseremainder)| chineseremainder |4.6|[![py](images/python.png)]()|
 |[Chocolate Division](https://open.kattis.com/problems/chocolatedivision)| chocolatedivision |1.8|[![py](images/python.png)]()|
-|[Chocolates](https://open.kattis.com/problems/chocolates)| chocolates |5.0|[![py](images/python.png)](src/Chocolates/chocolates.py)|
+|[Chocolates](https://open.kattis.com/problems/chocolates)| chocolates |5.1|[![py](images/python.png)](src/Chocolates/chocolates.py)|
 |[Choosing Numbers](https://open.kattis.com/problems/choosingnumbers)| choosingnumbers |7.1|[![py](images/python.png)](src/Choosing%20Numbers/choosingnumbers.py)|
 |[Preludes](https://open.kattis.com/problems/chopin)| chopin |1.9|[![cpp](images/cpp.png)]()|
 |[Chopping Wood](https://open.kattis.com/problems/chopwood)| chopwood |3.1|[![py](images/python.png)]()|
@@ -381,17 +382,17 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Classical Counting](https://open.kattis.com/problems/classicalcounting)| classicalcounting |7.8|[![py](images/python.png)](src/Classical%20Counting/classicalcounting.py)|
 |[Class Picture](https://open.kattis.com/problems/classpicture)| classpicture |4.9|[![py](images/python.png)](src/Class%20Picture/classpicture.py)|
 |[Classrooms](https://open.kattis.com/problems/classrooms)| classrooms |5.7|[![java](images/java.png)](src/Classrooms/Classrooms.java)|
-|[A Classy Problem](https://open.kattis.com/problems/classy)| classy |4.7|[![java](images/java.png)]()|
+|[A Classy Problem](https://open.kattis.com/problems/classy)| classy |4.8|[![java](images/java.png)]()|
 |[Climbing Stairs](https://open.kattis.com/problems/climbingstairs)| climbingstairs |4.1|[![py](images/python.png)]()|
 |[Climbing Worm](https://open.kattis.com/problems/climbingworm)| climbingworm |2.5|[![py](images/python.png)]()|
 |[Clinic](https://open.kattis.com/problems/clinic)| clinic |4.2|[![py](images/python.png)]()|
 |[Closeness Queries](https://open.kattis.com/problems/closenessqueries)| closenessqueries |8.6|[![py](images/python.png)](src/Closeness%20Queries/closenessqueries.py)|
 |[Closest Pair (Uniform)](https://open.kattis.com/problems/closestpair1)| closestpair1 |5.4|[![java](images/java.png)]()[![py](images/python.png)]()|
-|[Closest Pair](https://open.kattis.com/problems/closestpair2)| closestpair2 |7.3|[![java](images/java.png)](src/Closest%20Pair/ClosestPair2.java)|
+|[Closest Pair](https://open.kattis.com/problems/closestpair2)| closestpair2 |7.2|[![java](images/java.png)](src/Closest%20Pair/ClosestPair2.java)|
 |[Closest Sums](https://open.kattis.com/problems/closestsums)| closestsums |2.5|[![py](images/python.png)]()|
 |[Closing The Loop](https://open.kattis.com/problems/closingtheloop)| closingtheloop |2.0|[![cpp](images/cpp.png)]()|
 |[Coast Length](https://open.kattis.com/problems/coast)| coast |3.0|[![py](images/python.png)]()|
-|[A Furious Cocktail](https://open.kattis.com/problems/cocktail)| cocktail |2.9|[![py](images/python.png)]()|
+|[A Furious Cocktail](https://open.kattis.com/problems/cocktail)| cocktail |3.0|[![py](images/python.png)]()|
 |[Cocoa Coalition](https://open.kattis.com/problems/cocoacoalition)| cocoacoalition |5.0|[![py](images/python.png)]()|
 |[Coconut Splat](https://open.kattis.com/problems/coconut)| coconut |1.8|[![java](images/java.png)]()|
 |[Code Cleanups](https://open.kattis.com/problems/codecleanups)| codecleanups |3.3|[![py](images/python.png)]()|
@@ -406,7 +407,7 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Collapse](https://open.kattis.com/problems/collapse)| collapse |3.4|[![py](images/python.png)]()|
 |[Collatz Conjecture (1)](https://open.kattis.com/problems/collatz)| collatz |4.0|[![py](images/python.png)]()|
 |[Collatz Conjecture (2)](https://open.kattis.com/problems/collatzconjecture)| collatzconjecture |7.0|[![py](images/python.png)](src/Collatz%20Conjecture%20(2)/collatzconjecture.py)|
-|[Colliding Traffic](https://open.kattis.com/problems/collidingtraffic)| collidingtraffic |6.5|[![py](images/python.png)](src/Colliding%20Traffic/collidingtraffic.py)|
+|[Colliding Traffic](https://open.kattis.com/problems/collidingtraffic)| collidingtraffic |6.0|[![py](images/python.png)](src/Colliding%20Traffic/collidingtraffic.py)|
 |[Coloring Socks](https://open.kattis.com/problems/color)| color |2.5|[![py](images/python.png)]()|
 |[Colorland](https://open.kattis.com/problems/colorland)| colorland |4.1|[![py](images/python.png)]()|
 |[Colour Wars](https://open.kattis.com/problems/colourwars)| colourwars |3.0|[![py](images/python.png)]()|
@@ -415,17 +416,17 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Combinatorial Stanley Cup](https://open.kattis.com/problems/combinatorialstanleycup)| combinatorialstanleycup |3.1|[![js](images/javascript.png)]()[![py](images/python.png)]()[![rb](images/ruby.png)]()|
 |[Comma Sprinkler](https://open.kattis.com/problems/comma)| comma |4.4|[![py](images/python.png)]()|
 |[Radio Commercials](https://open.kattis.com/problems/commercials)| commercials |1.9|[![py](images/python.png)]()|
-|[Common Factors](https://open.kattis.com/problems/commonfactors)| commonfactors |4.8|[![py](images/python.png)]()|
+|[Common Factors](https://open.kattis.com/problems/commonfactors)| commonfactors |4.9|[![py](images/python.png)]()|
 |[Jumbled Communication](https://open.kattis.com/problems/communication)| communication |2.2|[![cpp](images/cpp.png)]()|
-|[Communications Satellite](https://open.kattis.com/problems/communicationssatellite)| communicationssatellite |3.7|[![java](images/java.png)]()|
-|[Jumbled Compass](https://open.kattis.com/problems/compass)| compass |2.0|[![cpp](images/cpp.png)]()|
+|[Communications Satellite](https://open.kattis.com/problems/communicationssatellite)| communicationssatellite |3.8|[![java](images/java.png)]()|
+|[Jumbled Compass](https://open.kattis.com/problems/compass)| compass |2.1|[![cpp](images/cpp.png)]()|
 |[Competitive Arcade Basketball](https://open.kattis.com/problems/competitivearcadebasketball)| competitivearcadebasketball |2.3|[![py](images/python.png)]()|
 |[Completing the Square](https://open.kattis.com/problems/completingthesquare)| completingthesquare |2.1|[![cpp](images/cpp.png)]()|
 |[Compositions](https://open.kattis.com/problems/compositions)| compositions |2.5|[![py](images/python.png)]()|
 |[Compound Words](https://open.kattis.com/problems/compoundwords)| compoundwords |1.8|[![py](images/python.png)]()|
 |[Best Compromise](https://open.kattis.com/problems/compromise)| compromise |2.1|[![py](images/python.png)]()|
 |[Conformity](https://open.kattis.com/problems/conformity)| conformity |1.5|[![java](images/java.png)]()|
-|[Conga Line](https://open.kattis.com/problems/congaline)| congaline |4.8|[![py](images/python.png)]()|
+|[Conga Line](https://open.kattis.com/problems/congaline)| congaline |4.7|[![py](images/python.png)]()|
 |[Connect-N](https://open.kattis.com/problems/connectn)| connectn |3.8|[![py](images/python.png)]()|
 |[Connect the Dots](https://open.kattis.com/problems/connectthedots)| connectthedots |3.7|[![py](images/python.png)]()|
 |[Conquest](https://open.kattis.com/problems/conquest)| conquest |2.8|[![py](images/python.png)]()|
@@ -453,7 +454,7 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Cookie Cutters](https://open.kattis.com/problems/cookiecutter)| cookiecutter |2.3|[![py](images/python.png)]()|
 |[Cookie Selection](https://open.kattis.com/problems/cookieselection)| cookieselection |5.2|[![java](images/java.png)]()|
 |[Cooking Water](https://open.kattis.com/problems/cookingwater)| cookingwater |2.0|[![py](images/python.png)]()|
-|[Cops and Robbers](https://open.kattis.com/problems/copsandrobbers)| copsandrobbers |4.9|[![py](images/python.png)]()|
+|[Cops and Robbers](https://open.kattis.com/problems/copsandrobbers)| copsandrobbers |4.8|[![py](images/python.png)]()|
 |[Cordon Bleu](https://open.kattis.com/problems/cordonbleu)| cordonbleu |6.1|[![cpp](images/cpp.png)]()|
 |[Cornhusker](https://open.kattis.com/problems/cornhusker)| cornhusker |1.6|[![py](images/python.png)]()|
 |[Limited Correspondence](https://open.kattis.com/problems/correspondence)| correspondence |6.9|[![py](images/python.png)]()|
@@ -470,7 +471,7 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Count the Vowels](https://open.kattis.com/problems/countthevowels)| countthevowels |1.3|[![py](images/python.png)]()|
 |[Couple Competition](https://open.kattis.com/problems/couplecompetition)| couplecompetition |5.4|[![py](images/python.png)]()|
 |[Course Scheduling](https://open.kattis.com/problems/coursescheduling)| coursescheduling |1.8|[![py](images/python.png)]()|
-|[Cowboy Checkers](https://open.kattis.com/problems/cowboycheckers)| cowboycheckers |4.2|[![py](images/python.png)]()|
+|[Cowboy Checkers](https://open.kattis.com/problems/cowboycheckers)| cowboycheckers |4.3|[![py](images/python.png)]()|
 |[Cow Crane](https://open.kattis.com/problems/cowcrane)| cowcrane |3.6|[![py](images/python.png)]()|
 |[CPR Number](https://open.kattis.com/problems/cprnummer)| cprnummer |1.5|[![py](images/python.png)]()|
 |[Exploding CPU](https://open.kattis.com/problems/cpu)| cpu |5.8|[![py](images/python.png)](src/Exploding%20CPU/cpu.py)|
@@ -478,14 +479,14 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Cracking RSA](https://open.kattis.com/problems/crackingrsa)| crackingrsa |2.1|[![cpp](images/cpp.png)]()|
 |[Crane Balancing](https://open.kattis.com/problems/crane)| crane |4.9|[![py](images/python.png)]()|
 |[Cranes](https://open.kattis.com/problems/cranes)| cranes |4.0|[![py](images/python.png)]()|
-|[Credit Card Payment](https://open.kattis.com/problems/creditcard)| creditcard |5.6|[![py](images/python.png)](src/Credit%20Card%20Payment/creditcard.py)|
+|[Credit Card Payment](https://open.kattis.com/problems/creditcard)| creditcard |5.5|[![py](images/python.png)](src/Credit%20Card%20Payment/creditcard.py)|
 |[Criss-Cross](https://open.kattis.com/problems/crisscross)| crisscross |8.7|[![py](images/python.png)]()|
 |[Crne](https://open.kattis.com/problems/crne)| crne |2.7|[![py](images/python.png)]()|
 |[Crop Triangles (Easy)](https://open.kattis.com/problems/cropeasy)| cropeasy |3.2|[![py](images/python.png)]()|
 |[Crop Triangles (Hard)](https://open.kattis.com/problems/crophard)| crophard |5.7|[![py](images/python.png)](src/Crop%20Triangles%20(Hard)/crophard.py)|
 |[Cross Country](https://open.kattis.com/problems/crosscountry)| crosscountry |2.9|[![py](images/python.png)]()|
 |[Crowd Control](https://open.kattis.com/problems/crowdcontrol)| crowdcontrol |3.5|[![py](images/python.png)]()|
-|[Crusaders of the Lost Mark](https://open.kattis.com/problems/crusaders)| crusaders |8.5|[![py](images/python.png)](src/Crusaders%20of%20the%20Lost%20Mark/crusaders.py)|
+|[Crusaders of the Lost Mark](https://open.kattis.com/problems/crusaders)| crusaders |8.6|[![py](images/python.png)](src/Crusaders%20of%20the%20Lost%20Mark/crusaders.py)|
 |[Cryptographic Keys](https://open.kattis.com/problems/crypto)| crypto |4.3|[![py](images/python.png)]()|
 |[Cu Chi Tunnels](https://open.kattis.com/problems/cuchitunnels)| cuchitunnels |3.1|[![py](images/python.png)]()|
 |[Cuckoo Hashing](https://open.kattis.com/problems/cuckoo)| cuckoo |5.7|[![py](images/python.png)](src/Cuckoo%20Hashing/cuckoo.py)|
@@ -501,7 +502,7 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Cutting Corners](https://open.kattis.com/problems/cuttingcorners)| cuttingcorners |2.8|[![py](images/python.png)]()|
 |[Cyanide Rivers](https://open.kattis.com/problems/cyaniderivers)| cyaniderivers |2.3|[![py](images/python.png)]()|
 |[Cycles (Easy)](https://open.kattis.com/problems/cycleseasy)| cycleseasy |4.0|[![py](images/python.png)]()|
-|[Cycles (Hard)](https://open.kattis.com/problems/cycleshard)| cycleshard |8.4|[![py](images/python.png)](src/Cycles%20(Hard)/cycleshard.py)|
+|[Cycles (Hard)](https://open.kattis.com/problems/cycleshard)| cycleshard |8.5|[![py](images/python.png)](src/Cycles%20(Hard)/cycleshard.py)|
 |[Cyclical Periods](https://open.kattis.com/problems/cyclicalperiods)| cyclicalperiods |2.8|[![py](images/python.png)](src/Cyclical%20Periods/cyclicalperiods.py)|
 |[Cypher Decypher](https://open.kattis.com/problems/cypherdecypher)| cypherdecypher |1.7|[![py](images/python.png)]()|
 |[Dacey the Dice](https://open.kattis.com/problems/daceydice)| daceydice |3.6|[![py](images/python.png)]()|
@@ -517,9 +518,9 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Dead Fraction](https://open.kattis.com/problems/deadfraction)| deadfraction |5.2|[![py](images/python.png)]()|
 |[Death Knight Hero](https://open.kattis.com/problems/deathknight)| deathknight |1.6|[![py](images/python.png)]()|
 |[Deathstar](https://open.kattis.com/problems/deathstar)| deathstar |1.8|[![py](images/python.png)]()|
-|[Death and Taxes](https://open.kattis.com/problems/deathtaxes)| deathtaxes |3.2|[![py](images/python.png)]()|
+|[Death and Taxes](https://open.kattis.com/problems/deathtaxes)| deathtaxes |3.3|[![py](images/python.png)]()|
 |[Debellatio](https://open.kattis.com/problems/debellatio)| debellatio |6.1|[![py](images/python.png)]()|
-|[Debugging](https://open.kattis.com/problems/debugging)| debugging |6.0|[![py](images/python.png)](src/Debugging/debugging.py)|
+|[Debugging](https://open.kattis.com/problems/debugging)| debugging |6.1|[![py](images/python.png)](src/Debugging/debugging.py)|
 |[Decelerating Jump](https://open.kattis.com/problems/deceleratingjump)| deceleratingjump |5.0|[![py](images/python.png)]()|
 |[Deceptive Dice](https://open.kattis.com/problems/deceptivedice)| deceptivedice |3.2|[![py](images/python.png)]()|
 |[Decisions, Decisions](https://open.kattis.com/problems/decisions)| decisions |3.0|[![py](images/python.png)]()|
@@ -538,14 +539,14 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Diagonal Cut](https://open.kattis.com/problems/diagonalcut)| diagonalcut |4.0|[![cpp](images/cpp.png)]()|
 |[Dice Betting](https://open.kattis.com/problems/dicebetting)| dicebetting |4.3|[![py](images/python.png)]()|
 |[Dice Cup](https://open.kattis.com/problems/dicecup)| dicecup |1.4|[![cpp](images/cpp.png)]()[![java](images/java.png)]()|
-|[Dice Game](https://open.kattis.com/problems/dicegame)| dicegame |1.7|[![cpp](images/cpp.png)]()|
+|[Dice Game](https://open.kattis.com/problems/dicegame)| dicegame |1.6|[![cpp](images/cpp.png)]()|
 |[Dick and Jane](https://open.kattis.com/problems/dickandjane)| dickandjane |6.0|[![py](images/python.png)](src/Dick%20and%20Jane/dickandjane.py)|
 |[Dictionary Compression](https://open.kattis.com/problems/dictionary)| dictionary |9.5|[![py](images/python.png)](src/Dictionary%20Compression/dictionary.py)|
 |[Dictionary Attack](https://open.kattis.com/problems/dictionaryattack)| dictionaryattack |6.9|[![py](images/python.png)](src/Dictionary%20Attack/dictionaryattack.py)|
 |[Die Hard](https://open.kattis.com/problems/diehard)| diehard |2.9|[![py](images/python.png)]()|
 |[A Different Problem](https://open.kattis.com/problems/different)| different |2.8|[![c](images/c.png)]()[![cpp](images/cpp.png)]()[![cs](images/csharp.png)]()[![go](images/go.png)]()[![hs](images/haskell.png)]()[![java](images/java.png)]()[![js](images/javascript.png)]()[![kt](images/kotlin.png)]()[![php](images/php.png)]()[![py](images/python.png)]()[![rb](images/ruby.png)]()|
 |[Different Distances](https://open.kattis.com/problems/differentdistances)| differentdistances |1.8|[![cpp](images/cpp.png)]()|
-|[Digbuild](https://open.kattis.com/problems/digbuild)| digbuild |4.2|[![py](images/python.png)]()|
+|[Digbuild](https://open.kattis.com/problems/digbuild)| digbuild |4.3|[![py](images/python.png)]()|
 |[Digi Comp II](https://open.kattis.com/problems/digicomp2)| digicomp2 |5.9|[![py](images/python.png)](src/Digi%20Comp%20II/digicomp2.py)|
 |[Digital Speedometer](https://open.kattis.com/problems/digitalspeedometer)| digitalspeedometer |4.0|[![py](images/python.png)]()|
 |[Digit Division](https://open.kattis.com/problems/digitdivision)| digitdivision |4.8|[![py](images/python.png)]()|
@@ -559,7 +560,7 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Disgruntled Judge](https://open.kattis.com/problems/disgruntledjudge)| disgruntledjudge |3.6|[![py](images/python.png)]()|
 |[Digital display](https://open.kattis.com/problems/display)| display |2.6|[![py](images/python.png)]()|
 |[Distance](https://open.kattis.com/problems/distance)| distance |3.8|[![py](images/python.png)]()|
-|[Distinctive Character](https://open.kattis.com/problems/distinctivecharacter)| distinctivecharacter |6.7|[![py](images/python.png)](src/Distinctive%20Character/distinctivecharacter.py)|
+|[Distinctive Character](https://open.kattis.com/problems/distinctivecharacter)| distinctivecharacter |6.8|[![py](images/python.png)](src/Distinctive%20Character/distinctivecharacter.py)|
 |[Distracted](https://open.kattis.com/problems/distracted)| distracted |7.6|[![py](images/python.png)](src/Distracted/distracted.py)|
 |[Distributing Poffins](https://open.kattis.com/problems/distributingpoffins)| distributingpoffins |2.3|[![py](images/python.png)]()|
 |[Diverse Contest](https://open.kattis.com/problems/diversecontest)| diversecontest |3.3|[![py](images/python.png)]()|
@@ -579,6 +580,7 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Don't Fall Down Stairs](https://open.kattis.com/problems/dontfalldownstairs)| dontfalldownstairs |2.1|[![py](images/python.png)]()|
 |[Doodling](https://open.kattis.com/problems/doodling)| doodling |4.8|[![py](images/python.png)]()|
 |[Doorman](https://open.kattis.com/problems/doorman)| doorman |2.2|[![py](images/python.png)]()|
+|[Double Dealing](https://open.kattis.com/problems/double)| double |6.6|[![py](images/python.png)](src/Double%20Dealing/double.py)|
 |[Double Password](https://open.kattis.com/problems/doublepassword)| doublepassword |1.6|[![py](images/python.png)]()|
 |[Doubleplusgood](https://open.kattis.com/problems/doubleplusgood)| doubleplusgood |2.7|[![py](images/python.png)]()|
 |[Double Up](https://open.kattis.com/problems/doubleup)| doubleup |3.9|[![py](images/python.png)]()|
@@ -586,7 +588,7 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Disastrous Downtime](https://open.kattis.com/problems/downtime)| downtime |3.2|[![py](images/python.png)]()|
 |[Draga Frá](https://open.kattis.com/problems/dragafra)| dragafra |1.1|[![py](images/python.png)]()|
 |[Dragon Ball I](https://open.kattis.com/problems/dragonball1)| dragonball1 |5.4|[![py](images/python.png)]()|
-|[Dragon Balls](https://open.kattis.com/problems/dragonballs)| dragonballs |5.4|[![py](images/python.png)]()|
+|[Dragon Balls](https://open.kattis.com/problems/dragonballs)| dragonballs |5.3|[![py](images/python.png)]()|
 |[Dragon Maid](https://open.kattis.com/problems/dragonmaid)| dragonmaid |6.1|[![cpp](images/cpp.png)](src/Dragon%20Maid/dragonmaid.cpp)[![py](images/python.png)](src/Dragon%20Maid/dragonmaid.py)|
 |[All Just A Dream](https://open.kattis.com/problems/dream)| dream |5.6|[![py](images/python.png)](src/All%20Just%20A%20Dream/dream.py)|
 |[Dreamer](https://open.kattis.com/problems/dreamer)| dreamer |2.4|[![py](images/python.png)]()|
@@ -604,10 +606,11 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[DVDs](https://open.kattis.com/problems/dvds)| dvds |2.9|[![py](images/python.png)]()|
 |[Dvoniz](https://open.kattis.com/problems/dvoniz)| dvoniz |7.2|[![py](images/python.png)](src/Dvoniz/dvoniz.py)[![py](images/python.png)](src/Dvoniz/dvoniz2.py)|
 |[Dyslectionary](https://open.kattis.com/problems/dyslectionary)| dyslectionary |3.2|[![py](images/python.png)]()|
-|[Dyson Circle](https://open.kattis.com/problems/dysoncircle)| dysoncircle |5.1|[![py](images/python.png)]()|
+|[Dyson Circle](https://open.kattis.com/problems/dysoncircle)| dysoncircle |5.2|[![py](images/python.png)]()|
 |[Early Winter](https://open.kattis.com/problems/earlywinter)| earlywinter |1.8|[![py](images/python.png)]()|
 |[The Easiest Problem Is This One](https://open.kattis.com/problems/easiest)| easiest |1.6|[![cpp](images/cpp.png)]()|
 |[Easter Eggs](https://open.kattis.com/problems/eastereggs)| eastereggs |5.1|[![py](images/python.png)]()|
+|[Eating Everything Efficiently](https://open.kattis.com/problems/eatingeverything)| eatingeverything |4.4|[![py](images/python.png)]()|
 |[Eating Out](https://open.kattis.com/problems/eatingout)| eatingout |3.7|[![py](images/python.png)]()|
 |[Echo Echo Echo](https://open.kattis.com/problems/echoechoecho)| echoechoecho |1.2|[![py](images/python.png)]()|
 |[e-Coins](https://open.kattis.com/problems/ecoins)| ecoins |4.8|[![py](images/python.png)]()|
@@ -636,21 +639,21 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Enemy Division](https://open.kattis.com/problems/enemydivision)| enemydivision |5.8|[![py](images/python.png)]()|
 |[Engaging with Loyal Customers](https://open.kattis.com/problems/engaging)| engaging |6.5|[![cpp](images/cpp.png)]()|
 |[Engineering English](https://open.kattis.com/problems/engineeringenglish)| engineeringenglish |2.4|[![py](images/python.png)]()|
-|[Enlarging Hash Tables](https://open.kattis.com/problems/enlarginghashtables)| enlarginghashtables |3.0|[![py](images/python.png)]()|
+|[Enlarging Hash Tables](https://open.kattis.com/problems/enlarginghashtables)| enlarginghashtables |2.9|[![py](images/python.png)]()|
 |[Entertainment Box](https://open.kattis.com/problems/entertainmentbox)| entertainmentbox |6.0|[![java](images/java.png)](src/Entertainment%20Box/EntertainmentBox.java)|
-|[Entirely Unsorted Sequences](https://open.kattis.com/problems/entirelyunsortedsequences)| entirelyunsortedsequences |4.1|[![py](images/python.png)]()|
-|[Envious Exponents](https://open.kattis.com/problems/enviousexponents)| enviousexponents |4.9|[![py](images/python.png)]()|
+|[Entirely Unsorted Sequences](https://open.kattis.com/problems/entirelyunsortedsequences)| entirelyunsortedsequences |4.0|[![py](images/python.png)]()|
+|[Envious Exponents](https://open.kattis.com/problems/enviousexponents)| enviousexponents |5.0|[![py](images/python.png)]()|
 |[EpigDanceOff](https://open.kattis.com/problems/epigdanceoff)| epigdanceoff |2.0|[![py](images/python.png)]()|
-|[Equal Sums (Easy)](https://open.kattis.com/problems/equalsumseasy)| equalsumseasy |2.8|[![py](images/python.png)]()|
+|[Equal Sums (Easy)](https://open.kattis.com/problems/equalsumseasy)| equalsumseasy |2.9|[![py](images/python.png)]()|
 |[Equations](https://open.kattis.com/problems/equations)| equations |7.3|[![py](images/python.png)](src/Equations/equations.py)|
 |[Linear Equation Solver](https://open.kattis.com/problems/equationsolver)| equationsolver |6.2|[![py](images/python.png)](src/Linear%20Equation%20Solver/equationsolver.py)|
 |[Partial Linear Equation Solver](https://open.kattis.com/problems/equationsolverplus)| equationsolverplus |7.5|[![py](images/python.png)](src/Partial%20Linear%20Equation%20Solver/equationsolverplus.py)|
 |[Proving Equivalences](https://open.kattis.com/problems/equivalences)| equivalences |5.8|[![py](images/python.png)](src/Proving%20Equivalences/equivalences.py)|
-|[Equivalent Exchange](https://open.kattis.com/problems/equivalentexchange)| equivalentexchange |7.4|[![py](images/python.png)](src/Equivalent%20Exchange/equivalentexchange.py)|
+|[Equivalent Exchange](https://open.kattis.com/problems/equivalentexchange)| equivalentexchange |7.5|[![py](images/python.png)](src/Equivalent%20Exchange/equivalentexchange.py)|
 |[Erase Securely](https://open.kattis.com/problems/erase)| erase |1.8|[![py](images/python.png)]()|
 |[Erdős Numbers](https://open.kattis.com/problems/erdosnumbers)| erdosnumbers |5.0|[![py](images/python.png)]()|
 |[Erosion Filter](https://open.kattis.com/problems/erosionfilter)| erosionfilter |4.5|[![py](images/python.png)]()|
-|[Errands](https://open.kattis.com/problems/errands)| errands |6.2|[![py](images/python.png)](src/Errands/errands.py)|
+|[Errands](https://open.kattis.com/problems/errands)| errands |6.3|[![py](images/python.png)](src/Errands/errands.py)|
 |[Escape Plan](https://open.kattis.com/problems/escapeplan)| escapeplan |5.6|[![py](images/python.png)](src/Escape%20Plan/escapeplan.py)|
 |[Escape Routes](https://open.kattis.com/problems/escaperoutes)| escaperoutes |8.6|[![py](images/python.png)]()|
 |[Escape Wall Maria](https://open.kattis.com/problems/escapewallmaria)| escapewallmaria |2.8|[![py](images/python.png)]()|
@@ -662,7 +665,7 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Estimation](https://open.kattis.com/problems/estimation)| estimation |4.2|[![py](images/python.png)]()|
 |[ETA](https://open.kattis.com/problems/eta)| eta |3.9|[![py](images/python.png)]()|
 |[Euclidean TSP](https://open.kattis.com/problems/euclideantsp)| euclideantsp |2.2|[![py](images/python.png)]()|
-|[Euclid's Game](https://open.kattis.com/problems/euclidsgame)| euclidsgame |4.3|[![py](images/python.png)]()|
+|[Euclid's Game](https://open.kattis.com/problems/euclidsgame)| euclidsgame |4.4|[![py](images/python.png)]()|
 |[Eulerian Graphs](https://open.kattis.com/problems/eulerian)| eulerian |3.0|[![py](images/python.png)]()|
 |[Eulerian Graphs 2](https://open.kattis.com/problems/eulerian2)| eulerian2 |4.4|[![py](images/python.png)]()|
 |[Eulerian Path](https://open.kattis.com/problems/eulerianpath)| eulerianpath |5.8|[![py](images/python.png)](src/Eulerian%20Path/eulerianpath.py)|
@@ -681,7 +684,7 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Exam Manipulation](https://open.kattis.com/problems/exammanipulation)| exammanipulation |4.2|[![py](images/python.png)]()|
 |[Kindergarten Excursion](https://open.kattis.com/problems/excursion)| excursion |3.6|[![py](images/python.png)]()|
 |[Exits in Excess](https://open.kattis.com/problems/exitsinexcess)| exitsinexcess |4.1|[![py](images/python.png)]()|
-|[Exoplanet Lighthouse](https://open.kattis.com/problems/exoplanetlighthouse)| exoplanetlighthouse |2.5|[![py](images/python.png)]()|
+|[Exoplanet Lighthouse](https://open.kattis.com/problems/exoplanetlighthouse)| exoplanetlighthouse |2.6|[![py](images/python.png)]()|
 |[Expected Earnings](https://open.kattis.com/problems/expectedearnings)| expectedearnings |1.9|[![py](images/python.png)]()|
 |[Expeditious Cubing](https://open.kattis.com/problems/expeditiouscubing)| expeditiouscubing |5.2|[![py](images/python.png)]()|
 |[Explosion Exploit](https://open.kattis.com/problems/explosion)| explosion |4.9|[![py](images/python.png)]()|
@@ -709,7 +712,7 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Fantasy Draft](https://open.kattis.com/problems/fantasydraft)| fantasydraft |4.2|[![py](images/python.png)]()|
 |[Farey Sequence Length](https://open.kattis.com/problems/farey)| farey |3.5|[![cpp](images/cpp.png)]()|
 |[Farey Sums](https://open.kattis.com/problems/fareysums)| fareysums |4.8|[![cpp](images/cpp.png)]()|
-|[Fastest Available Route](https://open.kattis.com/problems/fastestavailableroute)| fastestavailableroute |2.9|[![py](images/python.png)]()|
+|[Fastest Available Route](https://open.kattis.com/problems/fastestavailableroute)| fastestavailableroute |2.8|[![py](images/python.png)]()|
 |[Fast Food Prizes](https://open.kattis.com/problems/fastfood)| fastfood |1.9|[![py](images/python.png)]()|
 |[Faulty Robot](https://open.kattis.com/problems/faultyrobot)| faultyrobot |3.5|[![py](images/python.png)]()|
 |[A Favourable Ending](https://open.kattis.com/problems/favourable)| favourable |4.2|[![py](images/python.png)]()|
@@ -717,14 +720,14 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Feistel Fun](https://open.kattis.com/problems/feistelfun)| feistelfun |8.0|[![py](images/python.png)](src/Feistel%20Fun/feistelfun.py)|
 |[Fence Bowling](https://open.kattis.com/problems/fencebowling)| fencebowling |3.0|[![py](images/python.png)]()|
 |[Fend Off Titan](https://open.kattis.com/problems/fendofftitan)| fendofftitan |2.5|[![py](images/python.png)]()|
-|[Fenwick Tree](https://open.kattis.com/problems/fenwick)| fenwick |4.2|[![py](images/python.png)]()|
+|[Fenwick Tree](https://open.kattis.com/problems/fenwick)| fenwick |4.1|[![py](images/python.png)]()|
 |[Ferry Loading III](https://open.kattis.com/problems/ferryloading3)| ferryloading3 |4.9|[![py](images/python.png)]()|
 |[Ferry Loading IV](https://open.kattis.com/problems/ferryloading4)| ferryloading4 |2.7|[![java](images/java.png)]()|
-|[Ferskasta Jarmið](https://open.kattis.com/problems/ferskastajarmid)| ferskastajarmid |2.1|[![py](images/python.png)]()|
+|[Ferskasta Jarmið](https://open.kattis.com/problems/ferskastajarmid)| ferskastajarmid |2.2|[![py](images/python.png)]()|
 |[Fiat](https://open.kattis.com/problems/fiat)| fiat |5.3|[![py](images/python.png)](src/Fiat/fiat.py)|
 |[Fibonacci Cycles](https://open.kattis.com/problems/fibonaccicycles)| fibonaccicycles |3.2|[![py](images/python.png)]()|
 |[Minimal Fibonacci Sums](https://open.kattis.com/problems/fibonaccisum)| fibonaccisum |2.4|[![py](images/python.png)]()|
-|[Fibs og Dibs](https://open.kattis.com/problems/fibsogdibs)| fibsogdibs |6.7|[![py](images/python.png)](src/Fibs%20og%20Dibs/fibsogdibs.py)|
+|[Fibs og Dibs](https://open.kattis.com/problems/fibsogdibs)| fibsogdibs |6.8|[![py](images/python.png)](src/Fibs%20og%20Dibs/fibsogdibs.py)|
 |[Fibonacci Tour](https://open.kattis.com/problems/fibtour)| fibtour |5.7|[![py](images/python.png)](src/Fibonacci%20Tour/fibtour.py)|
 |[Field Trip](https://open.kattis.com/problems/fieldtrip)| fieldtrip |2.2|[![py](images/python.png)]()|
 |[Framtíðar FIFA](https://open.kattis.com/problems/fifa)| fifa |1.2|[![py](images/python.png)]()|
@@ -736,7 +739,7 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Financial Planning](https://open.kattis.com/problems/financialplanning)| financialplanning |4.3|[![py](images/python.png)]()|
 |[Finding an A](https://open.kattis.com/problems/findingana)| findingana |1.3|[![py](images/python.png)]()|
 |[Finding Lines](https://open.kattis.com/problems/findinglines)| findinglines |6.1|[![py](images/python.png)](src/Finding%20Lines/findinglines.py)|
-|[Find my Family](https://open.kattis.com/problems/findmyfamily)| findmyfamily |4.3|[![py](images/python.png)]()|
+|[Find my Family](https://open.kattis.com/problems/findmyfamily)| findmyfamily |4.2|[![py](images/python.png)]()|
 |[Find Poly](https://open.kattis.com/problems/findpoly)| findpoly |3.1|[![py](images/python.png)]()|
 |[Find the Graph](https://open.kattis.com/problems/findthegraph)| findthegraph |3.4|[![py](images/python.png)]()|
 |[Find The Root](https://open.kattis.com/problems/findtheroot)| findtheroot |3.7|[![py](images/python.png)]()|
@@ -789,7 +792,7 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Free Food](https://open.kattis.com/problems/freefood)| freefood |1.6|[![cpp](images/cpp.png)]()|
 |[Free Weights](https://open.kattis.com/problems/freeweights)| freeweights |4.1|[![py](images/python.png)]()|
 |[Friday the 13th](https://open.kattis.com/problems/friday)| friday |2.1|[![py](images/python.png)]()|
-|[Fridge](https://open.kattis.com/problems/fridge)| fridge |3.6|[![py](images/python.png)]()|
+|[Fridge](https://open.kattis.com/problems/fridge)| fridge |3.5|[![py](images/python.png)]()|
 |[Froggie](https://open.kattis.com/problems/froggie)| froggie |6.2|[![py](images/python.png)](src/Froggie/froggie.py)|
 |[From A to B](https://open.kattis.com/problems/fromatob)| fromatob |2.5|[![py](images/python.png)]()|
 |[Frosh Week (1)](https://open.kattis.com/problems/froshweek)| froshweek |4.0|[![py](images/python.png)]()|
@@ -813,9 +816,10 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[GCDs](https://open.kattis.com/problems/gcds)| gcds |5.0|[![py](images/python.png)]()|
 |[GCD Sum](https://open.kattis.com/problems/gcdsum)| gcdsum |8.8|[![py](images/python.png)](src/GCD%20Sum/gcdsum.py)|
 |[GCD Sum 2](https://open.kattis.com/problems/gcdsum2)| gcdsum2 |6.6|[![py](images/python.png)]()|
-|[Galactic Collegiate Programming Contest](https://open.kattis.com/problems/gcpc)| gcpc |4.7|[![java](images/java.png)]()|
+|[Galactic Collegiate Programming Contest](https://open.kattis.com/problems/gcpc)| gcpc |4.6|[![java](images/java.png)]()|
 |[GCVWR](https://open.kattis.com/problems/gcvwr)| gcvwr |1.4|[![py](images/python.png)]()|
 |[Gear Changing](https://open.kattis.com/problems/gearchanging)| gearchanging |4.0|[![py](images/python.png)]()|
+|[Gears](https://open.kattis.com/problems/gears2)| gears2 |3.5|[![py](images/python.png)]()|
 |[Geezer Scripts](https://open.kattis.com/problems/geezerscripts)| geezerscripts |2.8|[![py](images/python.png)]()|
 |[Genealogical Research](https://open.kattis.com/problems/genealogical)| genealogical |3.8|[![py](images/python.png)]()|
 |[Gene Block](https://open.kattis.com/problems/geneblock)| geneblock |2.3|[![py](images/python.png)]()|
@@ -826,7 +830,7 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Genetic Search](https://open.kattis.com/problems/geneticsearch)| geneticsearch |2.2|[![py](images/python.png)]()|
 |[Genius](https://open.kattis.com/problems/genius)| genius |2.8|[![py](images/python.png)]()|
 |[George](https://open.kattis.com/problems/george)| george |2.1|[![py](images/python.png)]()|
-|[Geppetto](https://open.kattis.com/problems/geppetto)| geppetto |2.4|[![py](images/python.png)]()|
+|[Geppetto](https://open.kattis.com/problems/geppetto)| geppetto |2.5|[![py](images/python.png)]()|
 |[Gerrymandering](https://open.kattis.com/problems/gerrymandering)| gerrymandering |1.7|[![cpp](images/cpp.png)]()|
 |[Get Shorty](https://open.kattis.com/problems/getshorty)| getshorty |3.6|[![java](images/java.png)]()|
 |[Getting Through](https://open.kattis.com/problems/gettingthrough)| gettingthrough |5.6|[![py](images/python.png)](src/Getting%20Through/gettingthrough.py)|
@@ -858,7 +862,7 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Grandpa Bernie](https://open.kattis.com/problems/grandpabernie)| grandpabernie |2.6|[![java](images/java.png)]()|
 |[Granica](https://open.kattis.com/problems/granica)| granica |5.7|[![py](images/python.png)](src/Granica/granica.py)|
 |[Through the Grapevine](https://open.kattis.com/problems/grapevine)| grapevine |3.8|[![py](images/python.png)]()|
-|[Watering Grass](https://open.kattis.com/problems/grass)| grass |4.8|[![py](images/python.png)]()|
+|[Watering Grass](https://open.kattis.com/problems/grass)| grass |4.6|[![py](images/python.png)]()|
 |[Gregory the Grasshopper](https://open.kattis.com/problems/grasshopper)| grasshopper |3.7|[![java](images/java.png)]()|
 |[Grass Seed Inc](https://open.kattis.com/problems/grassseed)| grassseed |1.4|[![cpp](images/cpp.png)]()|
 |[Grazed Grains](https://open.kattis.com/problems/grazedgrains)| grazedgrains |2.9|[![py](images/python.png)]()|
@@ -868,16 +872,16 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Greedy Polygons Revisited](https://open.kattis.com/problems/greedypolygons2)| greedypolygons2 |5.3|[![py](images/python.png)](src/Greedy%20Polygons%20Revisited/greedypolygons2.py)|
 |[Greeting Card](https://open.kattis.com/problems/greetingcard)| greetingcard |4.2|[![py](images/python.png)]()|
 |[Greetings!](https://open.kattis.com/problems/greetings2)| greetings2 |1.4|[![java](images/java.png)]()|
-|[Grid](https://open.kattis.com/problems/grid)| grid |2.6|[![py](images/python.png)]()|
+|[Grid](https://open.kattis.com/problems/grid)| grid |2.7|[![py](images/python.png)]()|
 |[Grid Game](https://open.kattis.com/problems/gridgame)| gridgame |5.2|[![py](images/python.png)]()|
 |[Grid Magic](https://open.kattis.com/problems/gridmagic)| gridmagic |2.5|[![py](images/python.png)]()|
-|[Grid MST](https://open.kattis.com/problems/gridmst)| gridmst |6.3|[![py](images/python.png)](src/Grid%20MST/gridmst.py)|
+|[Grid MST](https://open.kattis.com/problems/gridmst)| gridmst |6.2|[![py](images/python.png)](src/Grid%20MST/gridmst.py)|
 |[What's on the Grille](https://open.kattis.com/problems/grille)| grille |3.6|[![py](images/python.png)]()|
 |[Groupthink](https://open.kattis.com/problems/groupthink)| groupthink |2.5|[![py](images/python.png)]()|
 |[Growling Gears](https://open.kattis.com/problems/growlinggears)| growlinggears |1.8|[![cpp](images/cpp.png)]()|
 |[Guardian of Decency](https://open.kattis.com/problems/guardianofdecency)| guardianofdecency |5.1|[![py](images/python.png)]()|
 |[Guess The Number](https://open.kattis.com/problems/guess)| guess |3.1|[![py](images/python.png)]()|
-|[Guessing Game](https://open.kattis.com/problems/guessinggame)| guessinggame |3.2|[![py](images/python.png)]()|
+|[Guessing Game](https://open.kattis.com/problems/guessinggame)| guessinggame |3.3|[![py](images/python.png)]()|
 |[I Can Guess the Data Structure!](https://open.kattis.com/problems/guessthedatastructure)| guessthedatastructure |3.0|[![java](images/java.png)]()|
 |[Guess The Digits](https://open.kattis.com/problems/guessthedigits)| guessthedigits |8.6|[![py](images/python.png)](src/Guess%20The%20Digits/guessthedigits.py)|
 |[Guess the Numbers](https://open.kattis.com/problems/guessthenumbers)| guessthenumbers |8.2|[![py](images/python.png)](src/Guess%20the%20Numbers/guessthenumbers.py)|
@@ -891,7 +895,7 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Han](https://open.kattis.com/problems/han)| han |4.0|[![java](images/java.png)]()|
 |[Hanging Out on the Terrace](https://open.kattis.com/problems/hangingout)| hangingout |1.6|[![cpp](images/cpp.png)]()|
 |[Hangman](https://open.kattis.com/problems/hangman)| hangman |1.6|[![cpp](images/cpp.png)]()|
-|[Happy and Unhappy Numbers](https://open.kattis.com/problems/happyandunhappynumbers)| happyandunhappynumbers |6.7|[![py](images/python.png)]()|
+|[Happy and Unhappy Numbers](https://open.kattis.com/problems/happyandunhappynumbers)| happyandunhappynumbers |6.8|[![py](images/python.png)]()|
 |[Happy Happy Prime Prime](https://open.kattis.com/problems/happyprime)| happyprime |2.2|[![py](images/python.png)]()|
 |[Hard Drive](https://open.kattis.com/problems/harddrive)| harddrive |3.4|[![py](images/python.png)]()|
 |[Hardware](https://open.kattis.com/problems/hardware)| hardware |2.1|[![py](images/python.png)]()|
@@ -902,11 +906,11 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Haunted Graveyard](https://open.kattis.com/problems/hauntedgraveyard)| hauntedgraveyard |6.4|[![java](images/java.png)](src/Haunted%20Graveyard/HauntedGraveyard.java)|
 |[Hay Bales](https://open.kattis.com/problems/haybales)| haybales |5.7|[![py](images/python.png)](src/Hay%20Bales/haybales.py)|
 |[Hay Points](https://open.kattis.com/problems/haypoints)| haypoints |2.2|[![py](images/python.png)]()|
-|[Head Guard](https://open.kattis.com/problems/headguard)| headguard |2.0|[![py](images/python.png)]()|
+|[Head Guard](https://open.kattis.com/problems/headguard)| headguard |2.3|[![py](images/python.png)]()|
 |[Binary Heap](https://open.kattis.com/problems/heap)| heap |2.1|[![cpp](images/cpp.png)]()|
 |[Heart Rate](https://open.kattis.com/problems/heartrate)| heartrate |1.5|[![cpp](images/cpp.png)]()|
 |[Heating Up](https://open.kattis.com/problems/heatingup)| heatingup |5.9|[![py](images/python.png)]()|
-|[Height Ordering](https://open.kattis.com/problems/height)| height |2.1|[![py](images/python.png)]()|
+|[Height Ordering](https://open.kattis.com/problems/height)| height |2.0|[![py](images/python.png)]()|
 |[Homework](https://open.kattis.com/problems/heimavinna)| heimavinna |1.5|[![cpp](images/cpp.png)]()|
 |[Heir's Dilemma](https://open.kattis.com/problems/heirsdilemma)| heirsdilemma |1.7|[![py](images/python.png)]()|
 |[Heliocentric](https://open.kattis.com/problems/heliocentric)| heliocentric |2.0|[![py](images/python.png)]()|
@@ -920,7 +924,7 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Heroes of Velmar](https://open.kattis.com/problems/heroesofvelmar)| heroesofvelmar |2.0|[![py](images/python.png)]()|
 |[Hexagon Game](https://open.kattis.com/problems/hexagon)| hexagon |6.1|[![py](images/python.png)](src/Hexagon%20Game/hexagon.py)|
 |[Hexagonal Rooks](https://open.kattis.com/problems/hexagonalrooks)| hexagonalrooks |4.8|[![py](images/python.png)](src/Hexagonal%20Rooks/hexagonalrooks.py)|
-|[Hidden Password](https://open.kattis.com/problems/hidden)| hidden |2.3|[![py](images/python.png)]()|
+|[Hidden Password](https://open.kattis.com/problems/hidden)| hidden |2.2|[![py](images/python.png)]()|
 |[Hiding Places](https://open.kattis.com/problems/hidingplaces)| hidingplaces |1.7|[![py](images/python.png)]()|
 |[High Score](https://open.kattis.com/problems/highscore2)| highscore2 |5.7|[![py](images/python.png)](src/High%20Score/highscore2.py)|
 |[Highway to Mount Fansipan](https://open.kattis.com/problems/highwaytomountfansipan)| highwaytomountfansipan |4.2|[![py](images/python.png)]()|
@@ -932,7 +936,7 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Hittast](https://open.kattis.com/problems/hittast)| hittast |4.9|[![py](images/python.png)]()|
 |[Hitting the Targets](https://open.kattis.com/problems/hittingtargets)| hittingtargets |1.7|[![py](images/python.png)]()|
 |[Hnappasetningaskipti](https://open.kattis.com/problems/hnappasetningaskipti)| hnappasetningaskipti |2.4|[![py](images/python.png)]()|
-|[Semi-prime H-numbers](https://open.kattis.com/problems/hnumbers)| hnumbers |5.3|[![py](images/python.png)]()|
+|[Semi-prime H-numbers](https://open.kattis.com/problems/hnumbers)| hnumbers |5.0|[![py](images/python.png)]()|
 |[Hogwarts](https://open.kattis.com/problems/hogwarts2)| hogwarts2 |5.3|[![py](images/python.png)]()|
 |[Holey N-Queens (Batman)](https://open.kattis.com/problems/holeynqueensbatman)| holeynqueensbatman |2.6|[![py](images/python.png)]()|
 |[Honeycomb Walk](https://open.kattis.com/problems/honey)| honey |2.9|[![py](images/python.png)]()|
@@ -951,7 +955,7 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[House of Cards](https://open.kattis.com/problems/houseofcards)| houseofcards |3.6|[![py](images/python.png)]()|
 |[Howl](https://open.kattis.com/problems/howl)| howl |1.9|[![py](images/python.png)]()|
 |[How Many Digits](https://open.kattis.com/problems/howmanydigits)| howmanydigits |4.1|[![py](images/python.png)]()|
-|[How many 0's](https://open.kattis.com/problems/howmanyzeros)| howmanyzeros |4.0|[![py](images/python.png)]()|
+|[How many 0's](https://open.kattis.com/problems/howmanyzeros)| howmanyzeros |3.9|[![py](images/python.png)]()|
 |[Hraðgreining](https://open.kattis.com/problems/hradgreining)| hradgreining |1.3|[![py](images/python.png)]()|
 |[H to O](https://open.kattis.com/problems/htoo)| htoo |2.9|[![py](images/python.png)]()|
 |[Human Cannonball Run](https://open.kattis.com/problems/humancannonball)| humancannonball |2.0|[![java](images/java.png)]()|
@@ -994,27 +998,27 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[In Flagrante Delicto](https://open.kattis.com/problems/inflagrantedelicto)| inflagrantedelicto |4.6|[![py](images/python.png)]()|
 |[Inflation (1)](https://open.kattis.com/problems/inflation)| inflation |2.1|[![py](images/python.png)]()|
 |[Inflation (2)](https://open.kattis.com/problems/inflation2)| inflation2 |3.9|[![py](images/python.png)]()|
-|[Inheritance](https://open.kattis.com/problems/inheritance)| inheritance |3.7|[![py](images/python.png)]()|
+|[Inheritance](https://open.kattis.com/problems/inheritance)| inheritance |3.6|[![py](images/python.png)]()|
 |[Inquiry I](https://open.kattis.com/problems/inquiryi)| inquiryi |2.5|[![py](images/python.png)]()|
 |[Tree Insertion](https://open.kattis.com/problems/insert)| insert |3.0|[![py](images/python.png)]()|
 |[Inspecting Illumination](https://open.kattis.com/problems/inspectingillumination)| inspectingillumination |5.2|[![py](images/python.png)]()|
 |[Integer Division](https://open.kattis.com/problems/integerdivision)| integerdivision |3.4|[![py](images/python.png)]()|
-|[Integer Lists](https://open.kattis.com/problems/integerlists)| integerlists |5.1|[![java](images/java.png)](src/Integer%20Lists/IntegerLists.java)|
+|[Integer Lists](https://open.kattis.com/problems/integerlists)| integerlists |5.0|[![java](images/java.png)](src/Integer%20Lists/IntegerLists.java)|
 |[Intelligence Infection](https://open.kattis.com/problems/intelligenceinfection)| intelligenceinfection |5.0|[![py](images/python.png)]()|
 |[Interactive Tic-Tac-Toe](https://open.kattis.com/problems/interactivetictactoe)| interactivetictactoe |5.7|[![py](images/python.png)](src/Interactive%20Tic-Tac-Toe/interactivetictactoe.py)|
 |[Intercept](https://open.kattis.com/problems/intercept)| intercept |6.7|[![py](images/python.png)](src/Intercept/intercept.py)|
 |[Interesting Integers](https://open.kattis.com/problems/interestingintegers)| interestingintegers |4.6|[![cpp](images/cpp.png)]()|
 |[Intergalactic Bidding](https://open.kattis.com/problems/intergalacticbidding)| intergalacticbidding |4.2|[![py](images/python.png)]()|
 |[International Dates](https://open.kattis.com/problems/internationaldates)| internationaldates |1.6|[![py](images/python.png)]()|
-|[Interplanetary Tunnels](https://open.kattis.com/problems/interplanetarytunnels)| interplanetarytunnels |2.7|[![py](images/python.png)]()|
+|[Interplanetary Tunnels](https://open.kattis.com/problems/interplanetarytunnels)| interplanetarytunnels |2.8|[![py](images/python.png)]()|
 |[Interpreter](https://open.kattis.com/problems/interpreter)| interpreter |3.6|[![py](images/python.png)]()|
 |[Interval Cover](https://open.kattis.com/problems/intervalcover)| intervalcover |5.3|[![py](images/python.png)](src/Interval%20Cover/intervalcover.py)|
 |[Interval Scheduling](https://open.kattis.com/problems/intervalscheduling)| intervalscheduling |1.8|[![java](images/java.png)]()[![py](images/python.png)]()|
 |[Interview Question](https://open.kattis.com/problems/interviewquestion)| interviewquestion |3.0|[![py](images/python.png)]()|
 |[Interview Queue](https://open.kattis.com/problems/interviewqueue)| interviewqueue |7.5|[![py](images/python.png)](src/Interview%20Queue/interviewqueue.py)|
 |[Invasion](https://open.kattis.com/problems/invasion)| invasion |5.2|[![py](images/python.png)](src/Invasion/invasion.py)|
-|[Inventing Test Data](https://open.kattis.com/problems/inventing)| inventing |5.0|[![py](images/python.png)]()|
-|[Inverse Factorial](https://open.kattis.com/problems/inversefactorial)| inversefactorial |5.5|[![cpp](images/cpp.png)]()[![java](images/java.png)]()[![py](images/python.png)]()|
+|[Inventing Test Data](https://open.kattis.com/problems/inventing)| inventing |5.1|[![py](images/python.png)]()|
+|[Inverse Factorial](https://open.kattis.com/problems/inversefactorial)| inversefactorial |5.6|[![cpp](images/cpp.png)]()[![java](images/java.png)]()[![py](images/python.png)]()|
 |[Inverted Deck](https://open.kattis.com/problems/inverteddeck)| inverteddeck |4.5|[![py](images/python.png)]()|
 |[Invoker (Easy)](https://open.kattis.com/problems/invokereasy)| invokereasy |2.3|[![py](images/python.png)]()|
 |[Invoker (Hard)](https://open.kattis.com/problems/invokerhard)| invokerhard |3.9|[![py](images/python.png)]()|
@@ -1029,8 +1033,9 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Island Hopping](https://open.kattis.com/problems/islandhopping)| islandhopping |2.6|[![java](images/java.png)]()|
 |[Islands in the Data Stream](https://open.kattis.com/problems/islands)| islands |2.8|[![py](images/python.png)]()|
 |[Islands](https://open.kattis.com/problems/islands3)| islands3 |1.6|[![java](images/java.png)]()|
+|[Isomorphic Inversion](https://open.kattis.com/problems/isomorphicinversion)| isomorphicinversion |5.8|[![py](images/python.png)](src/Isomorphic%20Inversion/isomorphicinversion.py)|
 |[Is Y a Vowel](https://open.kattis.com/problems/isyavowel)| isyavowel |1.3|[![py](images/python.png)]()|
-|[It Can Be Arranged](https://open.kattis.com/problems/itcanbearranged)| itcanbearranged |4.6|[![py](images/python.png)]()|
+|[It Can Be Arranged](https://open.kattis.com/problems/itcanbearranged)| itcanbearranged |4.7|[![py](images/python.png)]()|
 |[It's a Mod, Mod, Mod, Mod World](https://open.kattis.com/problems/itsamodmodmodmodworld)| itsamodmodmodmodworld |7.5|[![py](images/python.png)](src/It's%20a%20Mod,%20Mod,%20Mod,%20Mod%20World/itsamodmodmodmodworld.py)|
 |[Ivana](https://open.kattis.com/problems/ivana)| ivana |5.9|[![py](images/python.png)](src/Ivana/ivana.py)|
 |[I Wanna Be The Very Best](https://open.kattis.com/problems/iwannabe)| iwannabe |3.1|[![py](images/python.png)]()|
@@ -1093,7 +1098,7 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Keyboards in Concert](https://open.kattis.com/problems/keyboardconcert)| keyboardconcert |3.3|[![py](images/python.png)]()|
 |[Keyboardd](https://open.kattis.com/problems/keyboardd)| keyboardd |2.6|[![py](images/python.png)]()|
 |[Keylogger](https://open.kattis.com/problems/keylogger)| keylogger |2.7|[![py](images/python.png)]()|
-|[Matrix Keypad](https://open.kattis.com/problems/keypad)| keypad |3.3|[![py](images/python.png)]()|
+|[Matrix Keypad](https://open.kattis.com/problems/keypad)| keypad |3.4|[![py](images/python.png)]()|
 |[Keys, Phone, Wallet](https://open.kattis.com/problems/keysphonewallet)| keysphonewallet |1.3|[![py](images/python.png)]()|
 |[The Key to Cryptography](https://open.kattis.com/problems/keytocrypto)| keytocrypto |1.7|[![py](images/python.png)]()|
 |[Keywords](https://open.kattis.com/problems/keywords)| keywords |2.1|[![py](images/python.png)]()|
@@ -1110,12 +1115,12 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Kleptography](https://open.kattis.com/problems/kleptography)| kleptography |1.6|[![cpp](images/cpp.png)]()|
 |[Cutting Proteins](https://open.kattis.com/problems/klippaprotein)| klippaprotein |6.6|[![py](images/python.png)]()|
 |[The Clock](https://open.kattis.com/problems/klockan2)| klockan2 |1.9|[![py](images/python.png)]()|
-|[Knapsack](https://open.kattis.com/problems/knapsack)| knapsack |4.5|[![py](images/python.png)]()|
+|[Knapsack](https://open.kattis.com/problems/knapsack)| knapsack |4.6|[![py](images/python.png)]()|
 |[Knight Fly](https://open.kattis.com/problems/knightfly)| knightfly |5.2|[![py](images/python.png)]()|
 |[Knight Jump](https://open.kattis.com/problems/knightjump)| knightjump |2.4|[![py](images/python.png)]()|
 |[Knight Packing](https://open.kattis.com/problems/knightpacking)| knightpacking |1.2|[![py](images/python.png)]()|
 |[Knight Search](https://open.kattis.com/problems/knightsearch)| knightsearch |3.3|[![py](images/python.png)]()|
-|[Knights in Fen](https://open.kattis.com/problems/knightsfen)| knightsfen |3.5|[![py](images/python.png)]()|
+|[Knights in Fen](https://open.kattis.com/problems/knightsfen)| knightsfen |3.4|[![py](images/python.png)]()|
 |[Knigs of the Forest](https://open.kattis.com/problems/knigsoftheforest)| knigsoftheforest |4.3|[![py](images/python.png)]()|
 |[Knitpicking](https://open.kattis.com/problems/knitpicking)| knitpicking |3.0|[![py](images/python.png)]()|
 |[Knot Knowledge](https://open.kattis.com/problems/knotknowledge)| knotknowledge |1.4|[![py](images/python.png)]()|
@@ -1131,7 +1136,7 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Kveðja](https://open.kattis.com/problems/kvedja)| kvedja |1.2|[![py](images/python.png)]()|
 |[Ladder](https://open.kattis.com/problems/ladder)| ladder |1.5|[![cpp](images/cpp.png)]()|
 |[Ladice](https://open.kattis.com/problems/ladice)| ladice |4.0|[![java](images/java.png)]()|
-|[Lægð yfir landinu](https://open.kattis.com/problems/laegdyfirlandinu)| laegdyfirlandinu |1.8|[![py](images/python.png)]()|
+|[Lægð yfir landinu](https://open.kattis.com/problems/laegdyfirlandinu)| laegdyfirlandinu |1.7|[![py](images/python.png)]()|
 |[Lamps](https://open.kattis.com/problems/lamps)| lamps |3.0|[![py](images/python.png)]()|
 |[Landline Telephone Network](https://open.kattis.com/problems/landline)| landline |5.9|[![py](images/python.png)](src/Landline%20Telephone%20Network/landline.py)|
 |[Landlocked](https://open.kattis.com/problems/landlocked)| landlocked |6.6|[![py](images/python.png)](src/Landlocked/landlocked.py)|
@@ -1167,7 +1172,7 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Lipschitz Constant](https://open.kattis.com/problems/lipschitzconstant)| lipschitzconstant |3.9|[![py](images/python.png)]()|
 |[Liquid Assets](https://open.kattis.com/problems/liquidassets)| liquidassets |3.4|[![py](images/python.png)]()|
 |[Listen To Your Boss](https://open.kattis.com/problems/listentoyourboss)| listentoyourboss |4.5|[![py](images/python.png)]()|
-|[A List Game](https://open.kattis.com/problems/listgame)| listgame |3.0|[![cpp](images/cpp.png)]()[![java](images/java.png)]()[![py](images/python.png)]()|
+|[A List Game](https://open.kattis.com/problems/listgame)| listgame |2.9|[![cpp](images/cpp.png)]()[![java](images/java.png)]()[![py](images/python.png)]()|
 |[A Different List Game](https://open.kattis.com/problems/listgame2)| listgame2 |9.1|[![py](images/python.png)](src/A%20Different%20List%20Game/listgame2.py)|
 |[Ljutnja](https://open.kattis.com/problems/ljutnja)| ljutnja |5.2|[![py](images/python.png)]()|
 |[Locked Treasure](https://open.kattis.com/problems/lockedtreasure)| lockedtreasure |2.5|[![cpp](images/cpp.png)]()|
@@ -1176,13 +1181,13 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[LogDB](https://open.kattis.com/problems/logdb)| logdb |4.9|[![py](images/python.png)]()|
 |[Logic Functions](https://open.kattis.com/problems/logicfunctions)| logicfunctions |1.5|[![cpp](images/cpp.png)]()|
 |[Logland](https://open.kattis.com/problems/logland)| logland |5.3|[![py](images/python.png)]()|
-|[Logo](https://open.kattis.com/problems/logo)| logo |2.3|[![py](images/python.png)]()|
+|[Logo](https://open.kattis.com/problems/logo)| logo |2.4|[![py](images/python.png)]()|
 |[Logo 2](https://open.kattis.com/problems/logo2)| logo2 |5.7|[![py](images/python.png)](src/Logo%202/logo2.py)|
 |[Lone Rook](https://open.kattis.com/problems/lonerook)| lonerook |7.6|[![py](images/python.png)](src/Lone%20Rook/lonerook.py)|
 |[Longest Common Substring](https://open.kattis.com/problems/longestcommonsubstring)| longestcommonsubstring |4.9|[![py](images/python.png)]()|
 |[Longest path in a DAG](https://open.kattis.com/problems/longestpathinadag)| longestpathinadag |3.5|[![py](images/python.png)]()|
 |[Longest Prime Sum](https://open.kattis.com/problems/longestprimesum)| longestprimesum |2.3|[![py](images/python.png)]()|
-|[Longest Increasing Subsequence](https://open.kattis.com/problems/longincsubseq)| longincsubseq |5.0|[![py](images/python.png)](src/Longest%20Increasing%20Subsequence/longincsubseq.py)|
+|[Longest Increasing Subsequence](https://open.kattis.com/problems/longincsubseq)| longincsubseq |5.1|[![py](images/python.png)](src/Longest%20Increasing%20Subsequence/longincsubseq.py)|
 |[Long Swaps](https://open.kattis.com/problems/longswaps)| longswaps |3.7|[![py](images/python.png)]()|
 |[Loopy Cab Drivers](https://open.kattis.com/problems/loopycabdrivers)| loopycabdrivers |6.7|[![py](images/python.png)](src/Loopy%20Cab%20Drivers/loopycabdrivers.py)|
 |[Loo Rolls](https://open.kattis.com/problems/loorolls)| loorolls |2.1|[![py](images/python.png)]()|
@@ -1191,14 +1196,14 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Lost In Translation](https://open.kattis.com/problems/lost)| lost |4.8|[![py](images/python.png)]()|
 |[Lost In The Woods](https://open.kattis.com/problems/lostinthewoods)| lostinthewoods |3.6|[![py](images/python.png)]()|
 |[Lost Lineup](https://open.kattis.com/problems/lostlineup)| lostlineup |1.7|[![py](images/python.png)]()|
-|[Lost Map](https://open.kattis.com/problems/lostmap)| lostmap |1.6|[![java](images/java.png)]()|
+|[Lost Map](https://open.kattis.com/problems/lostmap)| lostmap |1.7|[![java](images/java.png)]()|
 |[Low Order Zeros](https://open.kattis.com/problems/loworderzeros)| loworderzeros |4.2|[![cpp](images/cpp.png)]()|
 |[ls](https://open.kattis.com/problems/ls)| ls |5.4|[![py](images/python.png)]()|
 |[Lubbi Lærir](https://open.kattis.com/problems/lubbilaerir)| lubbilaerir |1.2|[![py](images/python.png)]()|
 |[Lucky Draw](https://open.kattis.com/problems/luckydraw)| luckydraw |4.1|[![py](images/python.png)]()|
 |[Lucky Numbers](https://open.kattis.com/problems/luckynumber)| luckynumber |4.4|[![py](images/python.png)]()|
 |[Luhn's Checksum Algorithm](https://open.kattis.com/problems/luhnchecksum)| luhnchecksum |1.9|[![cpp](images/cpp.png)]()|
-|[Keystrokes](https://open.kattis.com/problems/lyklagangriti)| lyklagangriti |4.4|[![java](images/java.png)]()|
+|[Keystrokes](https://open.kattis.com/problems/lyklagangriti)| lyklagangriti |4.5|[![java](images/java.png)]()|
 |[Mæting](https://open.kattis.com/problems/maeting)| maeting |1.6|[![py](images/python.png)]()|
 |[Mafija](https://open.kattis.com/problems/mafija)| mafija |6.4|[![py](images/python.png)](src/Mafija/mafija.py)|
 |[The Magical 3](https://open.kattis.com/problems/magical3)| magical3 |5.8|[![py](images/python.png)](src/The%20Magical%203/magical3.py)|
@@ -1224,19 +1229,20 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Mancala](https://open.kattis.com/problems/mancala)| mancala |1.9|[![py](images/python.png)]()|
 |[Mandelbrot](https://open.kattis.com/problems/mandelbrot)| mandelbrot |3.0|[![py](images/python.png)]()|
 |[Manhattan Mornings](https://open.kattis.com/problems/manhattanmornings)| manhattanmornings |5.1|[![py](images/python.png)]()|
+|[Manhattan Positioning System](https://open.kattis.com/problems/manhattanpositioningsystem)| manhattanpositioningsystem |7.1|[![py](images/python.png)](src/Manhattan%20Positioning%20System/manhattanpositioningsystem.py)|
 |[Map Colouring](https://open.kattis.com/problems/mapcolouring)| mapcolouring |5.4|[![py](images/python.png)](src/Map%20Colouring/mapcolouring.py)|
 |[Identifying Map Tiles](https://open.kattis.com/problems/maptiles2)| maptiles2 |1.7|[![cpp](images/cpp.png)]()|
 |[Marbles On A Tree](https://open.kattis.com/problems/marblestree)| marblestree |3.0|[![py](images/python.png)]()|
 |[Marko](https://open.kattis.com/problems/marko)| marko |1.9|[![py](images/python.png)]()|
 |[Mars Window](https://open.kattis.com/problems/marswindow)| marswindow |2.4|[![py](images/python.png)]()|
-|[Mårten's DFS](https://open.kattis.com/problems/martensdfs)| martensdfs |6.2|[![py](images/python.png)](src/Mårten's%20DFS/martensdfs.py)|
+|[Mårten's DFS](https://open.kattis.com/problems/martensdfs)| martensdfs |6.3|[![py](images/python.png)](src/Mårten's%20DFS/martensdfs.py)|
 |[m-ary Partitions](https://open.kattis.com/problems/marypartitions)| marypartitions |3.6|[![py](images/python.png)]()|
 |[Massive Card Game](https://open.kattis.com/problems/massivecardgame)| massivecardgame |3.0|[![java](images/java.png)]()|
 |[Mastering Mastermind](https://open.kattis.com/problems/mastermind)| mastermind |2.6|[![py](images/python.png)]()|
 |[Matarinnkaup](https://open.kattis.com/problems/matarinnkaup)| matarinnkaup |5.6|[![py](images/python.png)]()|
 |[Match Game](https://open.kattis.com/problems/matchgame)| matchgame |4.7|[![py](images/python.png)]()|
 |[Matchsticks](https://open.kattis.com/problems/matchsticks)| matchsticks |4.0|[![py](images/python.png)]()|
-|[Mathemagicians](https://open.kattis.com/problems/mathemagicians)| mathemagicians |4.9|[![py](images/python.png)]()|
+|[Mathemagicians](https://open.kattis.com/problems/mathemagicians)| mathemagicians |4.8|[![py](images/python.png)]()|
 |[Math Homework](https://open.kattis.com/problems/mathhomework)| mathhomework |2.0|[![cpp](images/cpp.png)]()|
 |[Math Trade](https://open.kattis.com/problems/mathtrade)| mathtrade |3.3|[![py](images/python.png)]()|
 |[Math Worksheet](https://open.kattis.com/problems/mathworksheet)| mathworksheet |5.1|[![py](images/python.png)]()|
@@ -1244,7 +1250,7 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Max Arithmetic Subsequence](https://open.kattis.com/problems/maxarithmeticsubsequence)| maxarithmeticsubsequence |7.0|[![py](images/python.png)](src/Max%20Arithmetic%20Subsequence/maxarithmeticsubsequence.py)|
 |[Maximum Clique](https://open.kattis.com/problems/maxclique)| maxclique |8.1|[![py](images/python.png)]()|
 |[Maximum Number of Colinear Points](https://open.kattis.com/problems/maxcolinear)| maxcolinear |4.6|[![py](images/python.png)]()|
-|[Maximum Flow](https://open.kattis.com/problems/maxflow)| maxflow |4.5|[![cpp](images/cpp.png)]()[![py](images/python.png)]()|
+|[Maximum Flow](https://open.kattis.com/problems/maxflow)| maxflow |4.4|[![cpp](images/cpp.png)]()[![py](images/python.png)]()|
 |[Maximizing Your Pay](https://open.kattis.com/problems/maximizingyourpay)| maximizingyourpay |5.2|[![py](images/python.png)]()|
 |[Maximum Choice](https://open.kattis.com/problems/maximumchoice)| maximumchoice |4.2|[![py](images/python.png)]()|
 |[Maximum Fix](https://open.kattis.com/problems/maximumfix)| maximumfix |4.0|[![py](images/python.png)]()|
@@ -1254,11 +1260,11 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Mean Words](https://open.kattis.com/problems/meanwords)| meanwords |1.8|[![py](images/python.png)]()|
 |[Imperial Measurement](https://open.kattis.com/problems/measurement)| measurement |2.1|[![py](images/python.png)]()|
 |[Message](https://open.kattis.com/problems/meddelande)| meddelande |1.4|[![py](images/python.png)]()|
-|[Mega Inversions](https://open.kattis.com/problems/megainversions)| megainversions |3.1|[![py](images/python.png)]()|
+|[Mega Inversions](https://open.kattis.com/problems/megainversions)| megainversions |3.0|[![py](images/python.png)]()|
 |[Memory Match](https://open.kattis.com/problems/memorymatch)| memorymatch |4.1|[![py](images/python.png)]()|
 |[Meow Factor](https://open.kattis.com/problems/meowfactor)| meowfactor |3.1|[![cpp](images/cpp.png)]()|
 |[Meow Factor 2](https://open.kattis.com/problems/meowfactor2)| meowfactor2 |6.3|[![py](images/python.png)](src/Meow%20Factor%202/meowfactor2.py)|
-|[Messages from Outer Space](https://open.kattis.com/problems/messages)| messages |5.0|[![py](images/python.png)]()|
+|[Messages from Outer Space](https://open.kattis.com/problems/messages)| messages |4.9|[![py](images/python.png)]()|
 |[Metaprogramming](https://open.kattis.com/problems/metaprogramming)| metaprogramming |2.2|[![py](images/python.png)]()|
 |[Methodic Multiplication](https://open.kattis.com/problems/methodicmultiplication)| methodicmultiplication |1.6|[![py](images/python.png)]()|
 |[Metronome](https://open.kattis.com/problems/metronome)| metronome |1.2|[![py](images/python.png)]()|
@@ -1283,7 +1289,7 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Mixed Fractions](https://open.kattis.com/problems/mixedfractions)| mixedfractions |1.6|[![cpp](images/cpp.png)]()|
 |[Mjehuric](https://open.kattis.com/problems/mjehuric)| mjehuric |1.8|[![py](images/python.png)]()|
 |[Multi-Class Binary Neural Network for Handwritten Digits](https://open.kattis.com/problems/mnist10class)| mnist10class |9.6|[![py](images/python.png)](src/Multi-Class%20Binary%20Neural%20Network%20for%20Handwritten%20Digits/mnist10class.py)|
-|[Two-Class Binary Neural Network for Handwritten Digits](https://open.kattis.com/problems/mnist2class)| mnist2class |9.2|[![py](images/python.png)](src/Two-Class%20Binary%20Neural%20Network%20for%20Handwritten%20Digits/mnist2class.py)|
+|[Two-Class Binary Neural Network for Handwritten Digits](https://open.kattis.com/problems/mnist2class)| mnist2class |9.3|[![py](images/python.png)](src/Two-Class%20Binary%20Neural%20Network%20for%20Handwritten%20Digits/mnist2class.py)|
 |[Moderate Pace](https://open.kattis.com/problems/moderatepace)| moderatepace |1.5|[![py](images/python.png)]()|
 |[Modified Gray Code](https://open.kattis.com/problems/modifiedgraycode)| modifiedgraycode |3.0|[![py](images/python.png)]()|
 |[Modular Arithmetic](https://open.kattis.com/problems/modulararithmetic)| modulararithmetic |3.0|[![py](images/python.png)]()|
@@ -1325,7 +1331,7 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Musical Trees](https://open.kattis.com/problems/musicaltrees)| musicaltrees |3.4|[![py](images/python.png)]()|
 |[Music Your Way](https://open.kattis.com/problems/musicyourway)| musicyourway |2.4|[![py](images/python.png)]()|
 |[Muzicari](https://open.kattis.com/problems/muzicari)| muzicari |4.8|[![py](images/python.png)]()|
-|[Minimum Weighted Vertex Cover](https://open.kattis.com/problems/mwvc)| mwvc |7.7|[![py](images/python.png)]()|
+|[Minimum Weighted Vertex Cover](https://open.kattis.com/problems/mwvc)| mwvc |7.9|[![py](images/python.png)]()|
 |[Mylla](https://open.kattis.com/problems/mylla2)| mylla2 |1.6|[![py](images/python.png)]()|
 |[Nafnagift](https://open.kattis.com/problems/nafnagift)| nafnagift |4.9|[![py](images/python.png)](src/Nafnagift/nafnagift.py)|
 |[Name Generation](https://open.kattis.com/problems/namegeneration)| namegeneration |2.9|[![py](images/python.png)]()|
@@ -1354,7 +1360,7 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[nnnnn](https://open.kattis.com/problems/nnnnn)| nnnnn |8.3|[![py](images/python.png)](src/nnnnn/nnnnn.py)|
 |[No Duplicates](https://open.kattis.com/problems/nodup)| nodup |1.6|[![cpp](images/cpp.png)]()|
 |[Non-negative Partial Sums](https://open.kattis.com/problems/nonnegpartsums)| nonnegpartsums |6.8|[![py](images/python.png)](src/Non-negative%20Partial%20Sums/nonnegpartsums.py)|
-|[Non-Prime Factors](https://open.kattis.com/problems/nonprimefactors)| nonprimefactors |6.0|[![cpp](images/cpp.png)](src/Non-Prime%20Factors/nonprimefactors.cpp)|
+|[Non-Prime Factors](https://open.kattis.com/problems/nonprimefactors)| nonprimefactors |6.1|[![cpp](images/cpp.png)](src/Non-Prime%20Factors/nonprimefactors.cpp)|
 |[Noonerized Spumbers](https://open.kattis.com/problems/noonerizedspumbers)| noonerizedspumbers |2.7|[![py](images/python.png)]()|
 |[NOP](https://open.kattis.com/problems/nop)| nop |2.1|[![py](images/python.png)]()|
 |[Norma](https://open.kattis.com/problems/norma)| norma |7.8|[![cpp](images/cpp.png)](src/Norma/norma.cpp)|
@@ -1363,15 +1369,16 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[N-Puzzle](https://open.kattis.com/problems/npuzzle)| npuzzle |1.9|[![py](images/python.png)]()|
 |[N-sum](https://open.kattis.com/problems/nsum)| nsum |1.3|[![py](images/python.png)]()|
 |[NTNU Orienteering](https://open.kattis.com/problems/ntnuorienteering)| ntnuorienteering |4.3|[![py](images/python.png)]()|
+|[Determining Nucleotide Assortments](https://open.kattis.com/problems/nucleotides)| nucleotides |3.5|[![py](images/python.png)]()|
 |[Number Colosseum](https://open.kattis.com/problems/numbercolosseum)| numbercolosseum |3.3|[![py](images/python.png)]()|
 |[Number Fun](https://open.kattis.com/problems/numberfun)| numberfun |1.6|[![java](images/java.png)]()[![js](images/javascript.png)]()[![py](images/python.png)]()|
-|[Nice Numbers](https://open.kattis.com/problems/numbers)| numbers |6.8|[![py](images/python.png)](src/Nice%20Numbers/numbers.py)|
+|[Nice Numbers](https://open.kattis.com/problems/numbers)| numbers |6.9|[![py](images/python.png)](src/Nice%20Numbers/numbers.py)|
 |[Numbers](https://open.kattis.com/problems/numbers2)| numbers2 |8.0|[![py](images/python.png)](src/Numbers/numbers2.py)|
 |[Number Sets](https://open.kattis.com/problems/numbersetseasy)| numbersetseasy |4.7|[![py](images/python.png)]()|
 |[Number Sets (Hard)](https://open.kattis.com/problems/numbersetshard)| numbersetshard |7.1|[![py](images/python.png)](src/Number%20Sets%20(Hard)/numbersetshard.py)|
 |[Numbers On a Tree](https://open.kattis.com/problems/numbertree)| numbertree |2.4|[![cpp](images/cpp.png)]()|
 |[Moving to Nuremberg](https://open.kattis.com/problems/nuremberg)| nuremberg |5.7|[![py](images/python.png)]()|
-|[Ocean Currents](https://open.kattis.com/problems/oceancurrents)| oceancurrents |5.4|[![py](images/python.png)]()|
+|[Ocean Currents](https://open.kattis.com/problems/oceancurrents)| oceancurrents |5.3|[![py](images/python.png)]()|
 |[Odd A's, Even B's](https://open.kattis.com/problems/oddaevenb)| oddaevenb |4.5|[![py](images/python.png)]()|
 |[Odd Binomial Coefficients](https://open.kattis.com/problems/oddbinom)| oddbinom |3.4|[![py](images/python.png)]()|
 |[Odd Echo](https://open.kattis.com/problems/oddecho)| oddecho |1.3|[![py](images/python.png)]()|
@@ -1388,7 +1395,7 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Okviri](https://open.kattis.com/problems/okviri)| okviri |2.1|[![py](images/python.png)]()|
 |[Older Brother](https://open.kattis.com/problems/olderbrother)| olderbrother |3.3|[![py](images/python.png)]()|
 |[On Average They're Purple](https://open.kattis.com/problems/onaveragetheyrepurple)| onaveragetheyrepurple |3.0|[![py](images/python.png)]()|
-|[One Chicken Per Person!](https://open.kattis.com/problems/onechicken)| onechicken |1.8|[![cpp](images/cpp.png)]()|
+|[One Chicken Per Person!](https://open.kattis.com/problems/onechicken)| onechicken |1.9|[![cpp](images/cpp.png)]()|
 |[Ones](https://open.kattis.com/problems/ones)| ones |4.7|[![py](images/python.png)]()|
 |[Keeping On Track](https://open.kattis.com/problems/ontrack)| ontrack |4.2|[![py](images/python.png)]()|
 |[Open Source](https://open.kattis.com/problems/opensource)| opensource |3.5|[![py](images/python.png)]()|
@@ -1414,7 +1421,7 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Ozljeda](https://open.kattis.com/problems/ozljeda)| ozljeda |4.4|[![py](images/python.png)](src/Ozljeda/ozljeda.py)|
 |[Pachinko Probability](https://open.kattis.com/problems/pachinkoprobability)| pachinkoprobability |5.5|[![py](images/python.png)](src/Pachinko%20Probability/pachinkoprobability.py)|
 |[Pachyderm Peanut Packing](https://open.kattis.com/problems/pachydermpeanutpacking)| pachydermpeanutpacking |2.0|[![py](images/python.png)]()|
-|[Paintball](https://open.kattis.com/problems/paintball)| paintball |3.4|[![py](images/python.png)]()|
+|[Paintball](https://open.kattis.com/problems/paintball)| paintball |3.5|[![py](images/python.png)]()|
 |[Paintings](https://open.kattis.com/problems/paintings)| paintings |3.8|[![py](images/python.png)]()|
 |[Pairing Socks](https://open.kattis.com/problems/pairingsocks)| pairingsocks |2.7|[![py](images/python.png)]()|
 |[Packagemanager](https://open.kattis.com/problems/pakethanterare)| pakethanterare |2.0|[![py](images/python.png)]()|
@@ -1435,7 +1442,7 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Password Hacking](https://open.kattis.com/problems/password)| password |2.1|[![java](images/java.png)]()|
 |[Patchwork](https://open.kattis.com/problems/patchwork)| patchwork |2.3|[![py](images/python.png)]()|
 |[Path Crossings](https://open.kattis.com/problems/pathcrossings)| pathcrossings |3.0|[![py](images/python.png)]()|
-|[Paths](https://open.kattis.com/problems/paths)| paths |4.3|[![py](images/python.png)]()|
+|[Paths](https://open.kattis.com/problems/paths)| paths |4.2|[![py](images/python.png)]()|
 |[Path Tracing](https://open.kattis.com/problems/pathtracing)| pathtracing |3.3|[![py](images/python.png)]()|
 |[Patuljci (1)](https://open.kattis.com/problems/patuljci)| patuljci |1.8|[![cpp](images/cpp.png)]()|
 |[Patuljci (2)](https://open.kattis.com/problems/patuljci2)| patuljci2 |6.7|[![py](images/python.png)](src/Patuljci%20(2)/patuljci2.py)|
@@ -1443,16 +1450,16 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Pawn Shop](https://open.kattis.com/problems/pawnshop)| pawnshop |3.4|[![py](images/python.png)]()|
 |[Peach Powder Polygon](https://open.kattis.com/problems/peachpowderpolygon)| peachpowderpolygon |2.0|[![py](images/python.png)]()|
 |[Pear-wise Voting](https://open.kattis.com/problems/pearwise)| pearwise |4.1|[![py](images/python.png)]()|
-|[Pea Soup and Pancakes](https://open.kattis.com/problems/peasoup)| peasoup |3.0|[![java](images/java.png)]()[![js](images/javascript.png)]()[![py](images/python.png)]()|
+|[Pea Soup and Pancakes](https://open.kattis.com/problems/peasoup)| peasoup |3.1|[![java](images/java.png)]()[![js](images/javascript.png)]()[![py](images/python.png)]()|
 |[Pebble Solitaire (1)](https://open.kattis.com/problems/pebblesolitaire)| pebblesolitaire |2.4|[![py](images/python.png)]()|
 |[Pebble Solitaire (2)](https://open.kattis.com/problems/pebblesolitaire2)| pebblesolitaire2 |2.4|[![py](images/python.png)]()|
 |[Peg](https://open.kattis.com/problems/peg)| peg |1.9|[![py](images/python.png)]()|
 |[Peg Game for Two](https://open.kattis.com/problems/peggamefortwo)| peggamefortwo |3.2|[![py](images/python.png)]()|
-|[Pegs and Legs](https://open.kattis.com/problems/pegsandlegs)| pegsandlegs |3.5|[![py](images/python.png)]()|
+|[Pegs and Legs](https://open.kattis.com/problems/pegsandlegs)| pegsandlegs |3.6|[![py](images/python.png)]()|
 |[Pencil Crayons](https://open.kattis.com/problems/pencilcrayons)| pencilcrayons |1.4|[![py](images/python.png)]()|
 |[Peningar](https://open.kattis.com/problems/peningar)| peningar |1.9|[![py](images/python.png)]()|
 |[Peragrams](https://open.kattis.com/problems/peragrams)| peragrams |1.8|[![py](images/python.png)]()|
-|[Perfect Pth Powers](https://open.kattis.com/problems/perfectpowers)| perfectpowers |5.5|[![cpp](images/cpp.png)](src/Perfect%20Pth%20Powers/perfectpowers.cpp)[![py](images/python.png)](src/Perfect%20Pth%20Powers/perfectpowers.py)|
+|[Perfect Pth Powers](https://open.kattis.com/problems/perfectpowers)| perfectpowers |5.6|[![cpp](images/cpp.png)](src/Perfect%20Pth%20Powers/perfectpowers.cpp)[![py](images/python.png)](src/Perfect%20Pth%20Powers/perfectpowers.py)|
 |[Perfect Skyline](https://open.kattis.com/problems/perfectskyline)| perfectskyline |5.5|[![py](images/python.png)]()|
 |[Perica](https://open.kattis.com/problems/perica)| perica |4.2|[![py](images/python.png)]()|
 |[Periodic Strings](https://open.kattis.com/problems/periodicstrings)| periodicstrings |2.6|[![py](images/python.png)]()|
@@ -1487,10 +1494,10 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Planet Destruction](https://open.kattis.com/problems/planetdestruction)| planetdestruction |5.5|[![py](images/python.png)](src/Planet%20Destruction/planetdestruction.py)|
 |[Planete](https://open.kattis.com/problems/planete)| planete |6.1|[![py](images/python.png)](src/Planete/planete.py)|
 |[Planet Hopping](https://open.kattis.com/problems/planethopping)| planethopping |4.7|[![py](images/python.png)]()|
-|[Planets](https://open.kattis.com/problems/planets2)| planets2 |3.1|[![py](images/python.png)]()|
+|[Planets](https://open.kattis.com/problems/planets2)| planets2 |3.2|[![py](images/python.png)]()|
 |[Planina](https://open.kattis.com/problems/planina)| planina |1.5|[![cpp](images/cpp.png)]()[![java](images/java.png)]()[![js](images/javascript.png)]()[![py](images/python.png)]()|
 |[Planting Trees](https://open.kattis.com/problems/plantingtrees)| plantingtrees |1.8|[![py](images/python.png)]()|
-|[Platforme](https://open.kattis.com/problems/platforme)| platforme |2.7|[![py](images/python.png)]()|
+|[Platforme](https://open.kattis.com/problems/platforme)| platforme |2.8|[![py](images/python.png)]()|
 |[Playfair Cipher](https://open.kattis.com/problems/playfair)| playfair |3.0|[![py](images/python.png)]()|
 |[Playground](https://open.kattis.com/problems/playground)| playground |5.0|[![py](images/python.png)]()|
 |[Playing the Slots](https://open.kattis.com/problems/playingtheslots)| playingtheslots |3.2|[![py](images/python.png)]()|
@@ -1514,7 +1521,7 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Positive Divisors](https://open.kattis.com/problems/positivedivisors)| positivedivisors |3.1|[![py](images/python.png)]()|
 |[Posterize](https://open.kattis.com/problems/posterize)| posterize |3.1|[![py](images/python.png)]()|
 |[Pot](https://open.kattis.com/problems/pot)| pot |1.4|[![java](images/java.png)]()[![js](images/javascript.png)]()[![py](images/python.png)]()|
-|[Power Eggs](https://open.kattis.com/problems/powereggs)| powereggs |4.5|[![py](images/python.png)]()|
+|[Power Eggs](https://open.kattis.com/problems/powereggs)| powereggs |4.4|[![py](images/python.png)]()|
 |[Power of Divisors](https://open.kattis.com/problems/powerofdivisors)| powerofdivisors |6.3|[![py](images/python.png)](src/Power%20of%20Divisors/powerofdivisors.py)|
 |[Powers and Modulus](https://open.kattis.com/problems/powers)| powers |5.1|[![py](images/python.png)]()|
 |[Powers of 2 (Easy)](https://open.kattis.com/problems/powersof2easy)| powersof2easy |2.3|[![py](images/python.png)]()|
@@ -1526,7 +1533,7 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Primality](https://open.kattis.com/problems/primality)| primality |5.6|[![py](images/python.png)](src/Primality/primality.py)|
 |[Primal Representation](https://open.kattis.com/problems/primalrepresentation)| primalrepresentation |4.3|[![cpp](images/cpp.png)]()|
 |[Primary Arithmetic](https://open.kattis.com/problems/primaryarithmetic)| primaryarithmetic |3.1|[![py](images/python.png)]()|
-|[Prime Count](https://open.kattis.com/problems/primecount)| primecount |8.5|[![py](images/python.png)](src/Prime%20Count/primecount.py)|
+|[Prime Count](https://open.kattis.com/problems/primecount)| primecount |8.6|[![py](images/python.png)](src/Prime%20Count/primecount.py)|
 |[Prime Matrix](https://open.kattis.com/problems/primematrix)| primematrix |4.3|[![py](images/python.png)]()|
 |[Prime Path](https://open.kattis.com/problems/primepath)| primepath |2.2|[![py](images/python.png)]()|
 |[Prime Reduction](https://open.kattis.com/problems/primereduction)| primereduction |2.8|[![py](images/python.png)]()|
@@ -1543,9 +1550,9 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Product Divisors](https://open.kattis.com/problems/productdivisors)| productdivisors |7.8|[![py](images/python.png)](src/Product%20Divisors/productdivisors.py)|
 |[Product Digit](https://open.kattis.com/problems/produktsiffra)| produktsiffra |8.6|[![py](images/python.png)](src/Product%20Digit/produktsiffra.py)|
 |[Program](https://open.kattis.com/problems/program)| program |8.0|[![py](images/python.png)](src/Program/program.py)|
-|[Programming Team Selection](https://open.kattis.com/problems/programmingteamselection)| programmingteamselection |6.0|[![py](images/python.png)]()|
+|[Programming Team Selection](https://open.kattis.com/problems/programmingteamselection)| programmingteamselection |5.9|[![py](images/python.png)]()|
 |[Programming Tutors](https://open.kattis.com/problems/programmingtutors)| programmingtutors |4.4|[![py](images/python.png)]()|
-|[Progressive Scramble](https://open.kattis.com/problems/progressivescramble)| progressivescramble |2.2|[![py](images/python.png)]()|
+|[Progressive Scramble](https://open.kattis.com/problems/progressivescramble)| progressivescramble |2.3|[![py](images/python.png)]()|
 |[Promotions](https://open.kattis.com/problems/promotions)| promotions |5.9|[![java](images/java.png)](src/Promotions/Promotions.java)|
 |[Proofs](https://open.kattis.com/problems/proofs)| proofs |2.6|[![py](images/python.png)]()|
 |[Provinces and Gold](https://open.kattis.com/problems/provincesandgold)| provincesandgold |1.5|[![cpp](images/cpp.png)]()|
@@ -1555,12 +1562,12 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Pseudoprime numbers](https://open.kattis.com/problems/pseudoprime)| pseudoprime |3.8|[![py](images/python.png)]()|
 |[Ptice](https://open.kattis.com/problems/ptice)| ptice |1.6|[![cpp](images/cpp.png)]()|
 |[Pub Crawl](https://open.kattis.com/problems/pubrunda)| pubrunda |2.2|[![py](images/python.png)]()|
-|[Pulling Their Weight](https://open.kattis.com/problems/pullingtheirweight)| pullingtheirweight |4.2|[![py](images/python.png)]()|
+|[Pulling Their Weight](https://open.kattis.com/problems/pullingtheirweight)| pullingtheirweight |4.3|[![py](images/python.png)]()|
 |[Pulverizing Pancake](https://open.kattis.com/problems/pulverizingpancake)| pulverizingpancake |5.5|[![py](images/python.png)]()|
 |[Pumpkin Patch](https://open.kattis.com/problems/pumpkinpatch)| pumpkinpatch |5.5|[![py](images/python.png)](src/Pumpkin%20Patch/pumpkinpatch.py)|
 |[Purple Rain](https://open.kattis.com/problems/purplerain)| purplerain |3.7|[![py](images/python.png)]()|
 |[Púsluspil](https://open.kattis.com/problems/pusluspil)| pusluspil |2.6|[![py](images/python.png)]()|
-|[Putovanje](https://open.kattis.com/problems/putovanje)| putovanje |3.0|[![py](images/python.png)]()|
+|[Putovanje](https://open.kattis.com/problems/putovanje)| putovanje |3.1|[![py](images/python.png)]()|
 |[Plants vs Bad Guys](https://open.kattis.com/problems/pvbg)| pvbg |1.8|[![py](images/python.png)]()|
 |[Primary X-Subfactor Series](https://open.kattis.com/problems/pxs)| pxs |4.6|[![py](images/python.png)]()|
 |[Pyramid Construction](https://open.kattis.com/problems/pyramidkonstruktion)| pyramidkonstruktion |3.4|[![py](images/python.png)]()|
@@ -1569,7 +1576,7 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Qanat](https://open.kattis.com/problems/qanat)| qanat |2.5|[![py](images/python.png)]()|
 |[Quadrant Selection](https://open.kattis.com/problems/quadrant)| quadrant |1.2|[![java](images/java.png)]()[![js](images/javascript.png)]()[![py](images/python.png)]()|
 |[Quadratic Dissonance](https://open.kattis.com/problems/quadraticdissonance)| quadraticdissonance |3.8|[![py](images/python.png)]()|
-|[Quadratic Residues](https://open.kattis.com/problems/quadres)| quadres |6.5|[![py](images/python.png)](src/Quadratic%20Residues/quadres.py)|
+|[Quadratic Residues](https://open.kattis.com/problems/quadres)| quadres |6.6|[![py](images/python.png)](src/Quadratic%20Residues/quadres.py)|
 |[Quantum](https://open.kattis.com/problems/quantum)| quantum |3.7|[![py](images/python.png)]()|
 |[Verify This, Your Majesty](https://open.kattis.com/problems/queens)| queens |2.6|[![py](images/python.png)]()|
 |[The Queen's Super-circular Patio](https://open.kattis.com/problems/queenspatio)| queenspatio |3.3|[![py](images/python.png)]()|
@@ -1578,10 +1585,10 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Quickscope](https://open.kattis.com/problems/quickscope)| quickscope |4.0|[![py](images/python.png)]()|
 |[Quite a Problem](https://open.kattis.com/problems/quiteaproblem)| quiteaproblem |2.1|[![py](images/python.png)]()|
 |[R2](https://open.kattis.com/problems/r2)| r2 |1.3|[![java](images/java.png)]()[![js](images/javascript.png)]()[![py](images/python.png)]()|
-|[Amazing Race](https://open.kattis.com/problems/race)| race |6.3|[![cpp](images/cpp.png)](src/Amazing%20Race/race.cpp)|
+|[Amazing Race](https://open.kattis.com/problems/race)| race |6.4|[![cpp](images/cpp.png)](src/Amazing%20Race/race.cpp)|
 |[Race Day](https://open.kattis.com/problems/raceday)| raceday |3.7|[![py](images/python.png)]()|
 |[Racing Around the Alphabet](https://open.kattis.com/problems/racingalphabet)| racingalphabet |1.7|[![cpp](images/cpp.png)]()|
-|[Radar](https://open.kattis.com/problems/radar)| radar |7.5|[![py](images/python.png)](src/Radar/radar.py)|
+|[Radar](https://open.kattis.com/problems/radar)| radar |7.6|[![py](images/python.png)](src/Radar/radar.py)|
 |[Raðgreining 1](https://open.kattis.com/problems/radgreining1)| radgreining1 |1.7|[![py](images/python.png)]()|
 |[Fleecing the Raffle](https://open.kattis.com/problems/raffle)| raffle |4.2|[![py](images/python.png)]()|
 |[White Water Rafting](https://open.kattis.com/problems/rafting)| rafting |2.9|[![py](images/python.png)]()|
@@ -1591,12 +1598,12 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Railroad Map](https://open.kattis.com/problems/railroad)| railroad |6.7|[![py](images/python.png)](src/Railroad%20Map/railroad.py)|
 |[Railroad](https://open.kattis.com/problems/railroad2)| railroad2 |1.5|[![cpp](images/cpp.png)]()|
 |[Railway Runner](https://open.kattis.com/problems/railwayrunner)| railwayrunner |4.2|[![py](images/python.png)]()|
-|[Rainbow Road Race](https://open.kattis.com/problems/rainbowroadrace)| rainbowroadrace |3.8|[![py](images/python.png)]()|
+|[Rainbow Road Race](https://open.kattis.com/problems/rainbowroadrace)| rainbowroadrace |3.7|[![py](images/python.png)]()|
 |[Rain Fall](https://open.kattis.com/problems/rainfall2)| rainfall2 |4.6|[![py](images/python.png)]()|
 |[Raising the Bar](https://open.kattis.com/problems/raisingthebar)| raisingthebar |5.2|[![cpp](images/cpp.png)]()|
 |[Rampant Growth](https://open.kattis.com/problems/rampantgrowth)| rampantgrowth |1.7|[![py](images/python.png)]()|
 |[Random Digital Exponentiation](https://open.kattis.com/problems/randomdigitalexponentiation)| randomdigitalexponentiation |5.6|[![py](images/python.png)](src/Random%20Digital%20Exponentiation/randomdigitalexponentiation.py)|
-|[A Rank Problem](https://open.kattis.com/problems/rankproblem)| rankproblem |2.9|[![py](images/python.png)]()|
+|[A Rank Problem](https://open.kattis.com/problems/rankproblem)| rankproblem |3.0|[![py](images/python.png)]()|
 |[Rasterized Lines](https://open.kattis.com/problems/rasterized)| rasterized |7.9|[![py](images/python.png)](src/Rasterized%20Lines/rasterized.py)|
 |[Rating Problems](https://open.kattis.com/problems/ratingproblems)| ratingproblems |1.4|[![py](images/python.png)]()|
 |[Rational Arithmetic](https://open.kattis.com/problems/rationalarithmetic)| rationalarithmetic |3.4|[![py](images/python.png)]()|
@@ -1624,7 +1631,7 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Boastin' Red Socks](https://open.kattis.com/problems/redsocks)| redsocks |6.1|[![py](images/python.png)](src/Boastin'%20Red%20Socks/redsocks.py)|
 |[Reduced ID Numbers](https://open.kattis.com/problems/reducedidnumbers)| reducedidnumbers |2.6|[![py](images/python.png)]()|
 |[Work Reduction](https://open.kattis.com/problems/reduction)| reduction |5.7|[![py](images/python.png)](src/Work%20Reduction/reduction.py)|
-|[Redundant Binary Notation](https://open.kattis.com/problems/redundantbinarynotation)| redundantbinarynotation |4.1|[![py](images/python.png)](src/Redundant%20Binary%20Notation/redundantbinarynotation.py)|
+|[Redundant Binary Notation](https://open.kattis.com/problems/redundantbinarynotation)| redundantbinarynotation |4.0|[![py](images/python.png)](src/Redundant%20Binary%20Notation/redundantbinarynotation.py)|
 |[Reduplication](https://open.kattis.com/problems/reduplikation)| reduplikation |1.2|[![py](images/python.png)]()|
 |[Refrigerator Transport](https://open.kattis.com/problems/refrigerator)| refrigerator |2.5|[![py](images/python.png)]()|
 |[Primary Register](https://open.kattis.com/problems/register)| register |2.2|[![py](images/python.png)]()|
@@ -1653,13 +1660,13 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Rings (2)](https://open.kattis.com/problems/rings2)| rings2 |4.1|[![py](images/python.png)]()|
 |[Rice judge](https://open.kattis.com/problems/risdomare)| risdomare |3.2|[![py](images/python.png)]()|
 |[Robbers are Often Robbed](https://open.kattis.com/problems/robbersareoftenrobbed)| robbersareoftenrobbed |5.8|[![py](images/python.png)](src/Robbers%20are%20Often%20Robbed/robbersareoftenrobbed.py)|
-|[Robert Hood](https://open.kattis.com/problems/roberthood)| roberthood |4.4|[![py](images/python.png)]()|
+|[Robert Hood](https://open.kattis.com/problems/roberthood)| roberthood |4.3|[![py](images/python.png)]()|
 |[Robot in a Maze](https://open.kattis.com/problems/robotmaze)| robotmaze |5.8|[![py](images/python.png)](src/Robot%20in%20a%20Maze/robotmaze.py)|
 |[Robotopia](https://open.kattis.com/problems/robotopia)| robotopia |5.3|[![cpp](images/cpp.png)](src/Robotopia/robotopia.cpp)[![py](images/python.png)](src/Robotopia/robotopia.py)|
 |[Robot Protection](https://open.kattis.com/problems/robotprotection)| robotprotection |2.7|[![py](images/python.png)]()|
 |[Robots on a Grid](https://open.kattis.com/problems/robotsonagrid)| robotsonagrid |5.1|[![py](images/python.png)]()|
 |[Robot Turtles](https://open.kattis.com/problems/robotturtles)| robotturtles |3.3|[![py](images/python.png)]()|
-|[Rock-Paper-Scissors Tournament](https://open.kattis.com/problems/rockpaperscissors)| rockpaperscissors |3.9|[![py](images/python.png)]()|
+|[Rock-Paper-Scissors Tournament](https://open.kattis.com/problems/rockpaperscissors)| rockpaperscissors |4.0|[![py](images/python.png)]()|
 |[Rock, Scissors, Paper](https://open.kattis.com/problems/rockscissorspaper)| rockscissorspaper |4.4|[![py](images/python.png)]()|
 |[Röðunarrugl](https://open.kattis.com/problems/rodunarrugl)| rodunarrugl |2.2|[![py](images/python.png)]()|
 |[Roll Call](https://open.kattis.com/problems/rollcall)| rollcall |2.7|[![py](images/python.png)]()|
@@ -1679,18 +1686,19 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Sacred Texts](https://open.kattis.com/problems/sacredtexts)| sacredtexts |4.1|[![py](images/python.png)]()|
 |[Cracking The Safe](https://open.kattis.com/problems/safe)| safe |3.0|[![py](images/python.png)]()|
 |[Safe Houses](https://open.kattis.com/problems/safehouses)| safehouses |2.6|[![py](images/python.png)]()|
+|[Safe Racing](https://open.kattis.com/problems/saferacing)| saferacing |3.6|[![py](images/python.png)]()|
 |[Safety in Numbers](https://open.kattis.com/problems/safety)| safety |5.4|[![py](images/python.png)]()|
 |[Sailing Friends](https://open.kattis.com/problems/sailingfriends)| sailingfriends |2.5|[![py](images/python.png)]()|
 |[Same Digits (Easy)](https://open.kattis.com/problems/samedigitseasy)| samedigitseasy |2.6|[![py](images/python.png)]()|
 |[Same Digits (Hard)](https://open.kattis.com/problems/samedigitshard)| samedigitshard |2.7|[![py](images/python.png)]()|
 |[Samlokur](https://open.kattis.com/problems/samlokur)| samlokur |6.0|[![py](images/python.png)](src/Samlokur/samlokur.py)|
-|[Sammaeining](https://open.kattis.com/problems/sammaeining)| sammaeining |6.4|[![py](images/python.png)](src/Sammaeining/sammaeining.py)|
+|[Sammaeining](https://open.kattis.com/problems/sammaeining)| sammaeining |6.5|[![py](images/python.png)](src/Sammaeining/sammaeining.py)|
 |[Songbook](https://open.kattis.com/problems/sangbok)| sangbok |2.1|[![py](images/python.png)]()|
 |[Sanic](https://open.kattis.com/problems/sanic)| sanic |2.6|[![py](images/python.png)]()|
 |[Santa Klas](https://open.kattis.com/problems/santaklas)| santaklas |3.0|[![py](images/python.png)]()|
 |[Yet Satisfiability Again!](https://open.kattis.com/problems/satisfiability)| satisfiability |3.7|[![py](images/python.png)]()|
 |[Saving Daylight](https://open.kattis.com/problems/savingdaylight)| savingdaylight |2.1|[![py](images/python.png)]()|
-|[Saving For Retirement](https://open.kattis.com/problems/savingforretirement)| savingforretirement |1.9|[![cpp](images/cpp.png)]()|
+|[Saving For Retirement](https://open.kattis.com/problems/savingforretirement)| savingforretirement |2.0|[![cpp](images/cpp.png)]()|
 |[Eb Alto Saxophone Player](https://open.kattis.com/problems/saxophone)| saxophone |2.2|[![py](images/python.png)]()|
 |[Scaling Recipe](https://open.kattis.com/problems/scalingrecipe)| scalingrecipe |2.0|[![py](images/python.png)]()|
 |[Mountain Scenes](https://open.kattis.com/problems/scenes)| scenes |3.5|[![py](images/python.png)]()|
@@ -1705,16 +1713,16 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Security Badge](https://open.kattis.com/problems/securitybadge)| securitybadge |7.7|[![py](images/python.png)](src/Security%20Badge/securitybadge.py)|
 |[Line Segment Distance](https://open.kattis.com/problems/segmentdistance)| segmentdistance |4.4|[![py](images/python.png)]()|
 |[Line Segment Intersection](https://open.kattis.com/problems/segmentintersection)| segmentintersection |6.4|[![py](images/python.png)](src/Line%20Segment%20Intersection/segmentintersection.py)|
-|[Select Group](https://open.kattis.com/problems/selectgroup)| selectgroup |4.1|[![py](images/python.png)]()|
+|[Select Group](https://open.kattis.com/problems/selectgroup)| selectgroup |4.2|[![py](images/python.png)]()|
 |[Self-Similar Strings](https://open.kattis.com/problems/selfsimilarstrings)| selfsimilarstrings |3.2|[![py](images/python.png)]()|
 |[Selling Land](https://open.kattis.com/problems/sellingland)| sellingland |7.1|[![py](images/python.png)](src/Selling%20Land/sellingland.py)|
 |[Semafori](https://open.kattis.com/problems/semafori)| semafori |1.9|[![py](images/python.png)]()|
 |[Sentry Robots](https://open.kattis.com/problems/sentryrobots)| sentryrobots |3.6|[![py](images/python.png)]()|
 |[Dividing Sequence](https://open.kattis.com/problems/sequence)| sequence |3.9|[![py](images/python.png)]()|
-|[0-1 Sequences](https://open.kattis.com/problems/sequences)| sequences |5.8|[![py](images/python.png)](src/0-1%20Sequences/sequences.py)|
+|[0-1 Sequences](https://open.kattis.com/problems/sequences)| sequences |5.7|[![py](images/python.png)](src/0-1%20Sequences/sequences.py)|
 |[Sequential Manufacturing](https://open.kattis.com/problems/sequentialmanufacturing)| sequentialmanufacturing |3.0|[![py](images/python.png)]()|
 |[Server](https://open.kattis.com/problems/server)| server |1.7|[![py](images/python.png)]()|
-|[Set!](https://open.kattis.com/problems/set)| set |2.0|[![py](images/python.png)]()|
+|[Set!](https://open.kattis.com/problems/set)| set |2.1|[![py](images/python.png)]()|
 |[SETI](https://open.kattis.com/problems/seti)| seti |3.6|[![py](images/python.png)]()|
 |[Setnja](https://open.kattis.com/problems/setnja)| setnja |4.7|[![cpp](images/cpp.png)]()[![py](images/python.png)]()|
 |[The SetStack Computer](https://open.kattis.com/problems/setstack)| setstack |5.8|[![py](images/python.png)](src/The%20SetStack%20Computer/setstack.py)[![py](images/python.png)](src/The%20SetStack%20Computer/setstack2.py)|
@@ -1754,7 +1762,7 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Simple Polygon](https://open.kattis.com/problems/simplepolygon)| simplepolygon |5.1|[![py](images/python.png)]()|
 |[Simplicity](https://open.kattis.com/problems/simplicity)| simplicity |2.8|[![py](images/python.png)]()|
 |[Polyline Simplification](https://open.kattis.com/problems/simplification)| simplification |6.1|[![py](images/python.png)](src/Polyline%20Simplification/simplification.py)|
-|[Simply Sudoku](https://open.kattis.com/problems/simplysudoku)| simplysudoku |4.0|[![py](images/python.png)]()|
+|[Simply Sudoku](https://open.kattis.com/problems/simplysudoku)| simplysudoku |4.1|[![py](images/python.png)]()|
 |[Sith](https://open.kattis.com/problems/sith)| sith |1.4|[![py](images/python.png)]()|
 |[Sjecista](https://open.kattis.com/problems/sjecista)| sjecista |2.0|[![py](images/python.png)]()|
 |[Skammstöfun](https://open.kattis.com/problems/skammstofun)| skammstofun |1.5|[![py](images/python.png)]()|
@@ -1782,7 +1790,7 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Snakes and Masters](https://open.kattis.com/problems/snakesandmasters)| snakesandmasters |3.5|[![py](images/python.png)]()|
 |[Snapper Chain (Easy)](https://open.kattis.com/problems/snappereasy)| snappereasy |2.8|[![cpp](images/cpp.png)]()[![py](images/python.png)]()|
 |[Snapper Chain (Hard)](https://open.kattis.com/problems/snapperhard)| snapperhard |2.4|[![py](images/python.png)]()|
-|[S-Nim](https://open.kattis.com/problems/snim)| snim |2.9|[![py](images/python.png)]()|
+|[S-Nim](https://open.kattis.com/problems/snim)| snim |3.0|[![py](images/python.png)]()|
 |[Unique Snowflakes](https://open.kattis.com/problems/snowflakes)| snowflakes |4.4|[![py](images/python.png)]()|
 |[Social Advertising](https://open.kattis.com/problems/socialadvertising)| socialadvertising |4.0|[![py](images/python.png)]()|
 |[Social Distancing (1)](https://open.kattis.com/problems/socialdistancing)| socialdistancing |6.8|[![py](images/python.png)](src/Social%20Distancing%20(1)/socialdistancing.py)|
@@ -1828,11 +1836,12 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Illuminated City](https://open.kattis.com/problems/stadiljus)| stadiljus |2.2|[![py](images/python.png)]()|
 |[Stafur](https://open.kattis.com/problems/stafur)| stafur |1.6|[![py](images/python.png)]()|
 |[Staggering to the Finish](https://open.kattis.com/problems/staggeringtothefinish)| staggeringtothefinish |3.0|[![py](images/python.png)]()|
-|[Stamp Combinations](https://open.kattis.com/problems/stampcombinations)| stampcombinations |5.3|[![py](images/python.png)]()|
+|[Stamp Combinations](https://open.kattis.com/problems/stampcombinations)| stampcombinations |5.4|[![py](images/python.png)]()|
 |[Biased Standings](https://open.kattis.com/problems/standings)| standings |3.5|[![py](images/python.png)]()|
 |[Star Arrangements](https://open.kattis.com/problems/stararrangements)| stararrangements |1.7|[![cpp](images/cpp.png)]()|
 |[Star Battles I](https://open.kattis.com/problems/starbattles1)| starbattles1 |3.0|[![py](images/python.png)]()|
 |[A Star not a Tree](https://open.kattis.com/problems/starnotatree)| starnotatree |6.1|[![py](images/python.png)]()|
+|[Stars in a Can](https://open.kattis.com/problems/starsinacan)| starsinacan |5.7|[![py](images/python.png)](src/Stars%20in%20a%20Can/starsinacan.py)|
 |[Statistics](https://open.kattis.com/problems/statistics)| statistics |1.9|[![cpp](images/cpp.png)]()|
 |[Statues](https://open.kattis.com/problems/statues)| statues |2.8|[![py](images/python.png)]()|
 |[Sticky Keys](https://open.kattis.com/problems/stickykeys)| stickykeys |1.4|[![py](images/python.png)]()|
@@ -1849,7 +1858,7 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Straights](https://open.kattis.com/problems/straights)| straights |3.3|[![py](images/python.png)]()|
 |[Stream Lag](https://open.kattis.com/problems/streamlag)| streamlag |3.1|[![py](images/python.png)]()|
 |[Streets Ahead](https://open.kattis.com/problems/streetsahead)| streetsahead |2.1|[![py](images/python.png)]()|
-|[String Matching](https://open.kattis.com/problems/stringmatching)| stringmatching |3.8|[![py](images/python.png)]()|
+|[String Matching](https://open.kattis.com/problems/stringmatching)| stringmatching |3.9|[![py](images/python.png)]()|
 |[String Multimatching](https://open.kattis.com/problems/stringmultimatching)| stringmultimatching |6.9|[![cpp](images/cpp.png)](src/String%20Multimatching/stringmultimatching.cpp)[![py](images/python.png)](src/String%20Multimatching/stringmultimatching.py)[![py](images/python.png)](src/String%20Multimatching/stringmultimatching2.py)|
 |[Studentsko](https://open.kattis.com/problems/studentsko)| studentsko |3.8|[![py](images/python.png)]()|
 |[Subaruba](https://open.kattis.com/problems/subaruba)| subaruba |4.2|[![py](images/python.png)](src/Subaruba/subaruba.py)|
@@ -1870,7 +1879,7 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Sumsets](https://open.kattis.com/problems/sumsets)| sumsets |7.2|[![py](images/python.png)](src/Sumsets/sumsets.py)|
 |[Sum Squared Digits Function](https://open.kattis.com/problems/sumsquareddigits)| sumsquareddigits |1.5|[![cpp](images/cpp.png)]()|
 |[Sun and Moon](https://open.kattis.com/problems/sunandmoon)| sunandmoon |2.0|[![py](images/python.png)]()|
-|[Supercomputer](https://open.kattis.com/problems/supercomputer)| supercomputer |2.7|[![py](images/python.png)]()|
+|[Supercomputer](https://open.kattis.com/problems/supercomputer)| supercomputer |2.8|[![py](images/python.png)]()|
 |[Superdoku](https://open.kattis.com/problems/superdoku)| superdoku |6.8|[![py](images/python.png)](src/Superdoku/superdoku.py)|
 |[Supply Routes](https://open.kattis.com/problems/supplyroutes)| supplyroutes |4.2|[![py](images/python.png)]()|
 |[Suspension Bridges](https://open.kattis.com/problems/suspensionbridges)| suspensionbridges |3.8|[![py](images/python.png)]()|
@@ -1890,7 +1899,7 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Tarifa](https://open.kattis.com/problems/tarifa)| tarifa |1.4|[![java](images/java.png)]()[![py](images/python.png)]()|
 |[Tautology](https://open.kattis.com/problems/tautology)| tautology |3.0|[![py](images/python.png)]()|
 |[Taxi Cab Scheme](https://open.kattis.com/problems/taxicab)| taxicab |5.9|[![py](images/python.png)](src/Taxi%20Cab%20Scheme/taxicab.py)|
-|[Tax the Rich](https://open.kattis.com/problems/taxtherich)| taxtherich |4.7|[![py](images/python.png)]()|
+|[Tax the Rich](https://open.kattis.com/problems/taxtherich)| taxtherich |4.8|[![py](images/python.png)]()|
 |[Teacher Evaluation](https://open.kattis.com/problems/teacherevaluation)| teacherevaluation |2.7|[![py](images/python.png)]()|
 |[Happy Telephones](https://open.kattis.com/problems/telephones)| telephones |2.9|[![py](images/python.png)]()|
 |[Time Travelling Temperatures](https://open.kattis.com/problems/temperature)| temperature |2.4|[![cpp](images/cpp.png)]()|
@@ -1945,11 +1954,11 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Toilet Seat](https://open.kattis.com/problems/toilet)| toilet |2.3|[![py](images/python.png)]()|
 |[Tok Tik](https://open.kattis.com/problems/toktik)| toktik |1.5|[![py](images/python.png)]()|
 |[ToLower](https://open.kattis.com/problems/tolower)| tolower |2.3|[![py](images/python.png)]()|
-|[Tölvunarfræðingar telja](https://open.kattis.com/problems/tolvunarfraedingartelja)| tolvunarfraedingartelja |1.2|[![py](images/python.png)]()|
+|[Tölvunarfræðingar telja](https://open.kattis.com/problems/tolvunarfraedingartelja)| tolvunarfraedingartelja |1.1|[![py](images/python.png)]()|
 |[Tomography](https://open.kattis.com/problems/tomography)| tomography |3.6|[![py](images/python.png)]()|
 |[Torn to Pieces](https://open.kattis.com/problems/torn2pieces)| torn2pieces |3.3|[![py](images/python.png)]()|
 |[Tower Construction](https://open.kattis.com/problems/tornbygge)| tornbygge |1.7|[![py](images/python.png)]()|
-|[Touchscreen Keyboard](https://open.kattis.com/problems/touchscreenkeyboard)| touchscreenkeyboard |2.3|[![py](images/python.png)]()|
+|[Touchscreen Keyboard](https://open.kattis.com/problems/touchscreenkeyboard)| touchscreenkeyboard |2.2|[![py](images/python.png)]()|
 |[Tour de France](https://open.kattis.com/problems/tourdefrance)| tourdefrance |3.0|[![py](images/python.png)]()|
 |[Tourist](https://open.kattis.com/problems/tourist)| tourist |6.1|[![py](images/python.png)]()|
 |[Tourists](https://open.kattis.com/problems/tourists)| tourists |4.2|[![py](images/python.png)]()|
@@ -1962,7 +1971,7 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Train Boarding](https://open.kattis.com/problems/trainboarding)| trainboarding |4.3|[![py](images/python.png)]()|
 |[Training](https://open.kattis.com/problems/training)| training |1.5|[![py](images/python.png)]()|
 |[Train Passengers](https://open.kattis.com/problems/trainpassengers)| trainpassengers |2.9|[![java](images/java.png)]()[![py](images/python.png)]()|
-|[Train Sorting](https://open.kattis.com/problems/trainsorting)| trainsorting |5.6|[![py](images/python.png)](src/Train%20Sorting/trainsorting.py)|
+|[Train Sorting](https://open.kattis.com/problems/trainsorting)| trainsorting |5.7|[![py](images/python.png)](src/Train%20Sorting/trainsorting.py)|
 |[Train Timetables](https://open.kattis.com/problems/traintimetables)| traintimetables |3.3|[![py](images/python.png)]()|
 |[Tram](https://open.kattis.com/problems/tram)| tram |2.2|[![py](images/python.png)]()|
 |[Transit Woes](https://open.kattis.com/problems/transitwoes)| transitwoes |1.5|[![cpp](images/cpp.png)]()|
@@ -1976,7 +1985,7 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Treasure Hunt (2)](https://open.kattis.com/problems/treasurehunt)| treasurehunt |2.8|[![py](images/python.png)]()|
 |[Tree Hopping](https://open.kattis.com/problems/treehopping)| treehopping |6.3|[![py](images/python.png)]()|
 |[Treehouses](https://open.kattis.com/problems/treehouses)| treehouses |3.0|[![py](images/python.png)]()|
-|[Three in a Row](https://open.kattis.com/problems/treirad)| treirad |1.7|[![py](images/python.png)]()|
+|[Three in a Row](https://open.kattis.com/problems/treirad)| treirad |1.6|[![py](images/python.png)]()|
 |[Trending Topic](https://open.kattis.com/problems/trendingtopic)| trendingtopic |5.1|[![py](images/python.png)](src/Trending%20Topic/trendingtopic.py)|
 |[Tri](https://open.kattis.com/problems/tri)| tri |2.0|[![cpp](images/cpp.png)]()|
 |[Sierpiński Circumference](https://open.kattis.com/problems/triangle)| triangle |3.0|[![py](images/python.png)]()|
@@ -2003,11 +2012,11 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Travelling Salesperson 2D](https://open.kattis.com/problems/tsp)| tsp |9.5|[![py](images/python.png)]()|
 |[Tug of War](https://open.kattis.com/problems/tugofwar)| tugofwar |7.3|[![py](images/python.png)](src/Tug%20of%20War/tugofwar.py)|
 |[Tunnelling the Earth](https://open.kattis.com/problems/tunnelingtheearth)| tunnelingtheearth |3.7|[![py](images/python.png)]()|
-|[Turbo](https://open.kattis.com/problems/turbo)| turbo |4.7|[![py](images/python.png)]()|
+|[Turbo](https://open.kattis.com/problems/turbo)| turbo |4.6|[![py](images/python.png)]()|
 |[Turtle Master](https://open.kattis.com/problems/turtlemaster)| turtlemaster |3.0|[![py](images/python.png)]()|
 |[ICPC Tutorial](https://open.kattis.com/problems/tutorial)| tutorial |3.3|[![cpp](images/cpp.png)]()|
 |[Twenty Four, Again](https://open.kattis.com/problems/twentyfour)| twentyfour |6.3|[![py](images/python.png)](src/Twenty%20Four,%20Again/twentyfour.py)|
-|[Take Two Stones](https://open.kattis.com/problems/twostones)| twostones |1.3|[![c](images/c.png)]()[![cpp](images/cpp.png)]()[![java](images/java.png)]()[![js](images/javascript.png)]()[![py](images/python.png)]()[![rb](images/ruby.png)]()|
+|[Take Two Stones](https://open.kattis.com/problems/twostones)| twostones |1.2|[![c](images/c.png)]()[![cpp](images/cpp.png)]()[![java](images/java.png)]()[![js](images/javascript.png)]()[![py](images/python.png)]()[![rb](images/ruby.png)]()|
 |[Two-sum](https://open.kattis.com/problems/twosum)| twosum |1.3|[![py](images/python.png)]()|
 |[Úllen dúllen doff](https://open.kattis.com/problems/ullendullendoff)| ullendullendoff |1.6|[![py](images/python.png)]()|
 |[Úllen Dúllen Doff 2](https://open.kattis.com/problems/ullendullendoff2)| ullendullendoff2 |2.6|[![py](images/python.png)]()|
@@ -2025,7 +2034,7 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Unlock Pattern](https://open.kattis.com/problems/unlockpattern)| unlockpattern |1.7|[![py](images/python.png)]()|
 |[Unlock Pattern II](https://open.kattis.com/problems/unlockpattern2)| unlockpattern2 |7.1|[![py](images/python.png)](src/Unlock%20Pattern%20II/unlockpattern2.py)|
 |[Unown Code](https://open.kattis.com/problems/unowncode)| unowncode |6.9|[![py](images/python.png)](src/Unown%20Code/unowncode.py)|
-|[Unown Code (Easy)](https://open.kattis.com/problems/unowncodeeasy)| unowncodeeasy |5.3|[![py](images/python.png)]()|
+|[Unown Code (Easy)](https://open.kattis.com/problems/unowncodeeasy)| unowncodeeasy |5.2|[![py](images/python.png)]()|
 |[Unusual Darts](https://open.kattis.com/problems/unusualdarts)| unusualdarts |4.7|[![py](images/python.png)]()|
 |[Up and Away](https://open.kattis.com/problems/upandaway)| upandaway |4.6|[![py](images/python.png)]()|
 |[Arrangement](https://open.kattis.com/problems/upprodun)| upprodun |1.6|[![py](images/python.png)]()|
@@ -2065,7 +2074,7 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[A Walk Through The Forest](https://open.kattis.com/problems/walkforest)| walkforest |4.7|[![py](images/python.png)]()|
 |[Trapezoid Walkway](https://open.kattis.com/problems/walkway)| walkway |3.4|[![py](images/python.png)]()|
 |[Lifting Walls](https://open.kattis.com/problems/walls)| walls |4.4|[![py](images/python.png)]()|
-|[Walrus Weights](https://open.kattis.com/problems/walrusweights)| walrusweights |4.0|[![py](images/python.png)]()|
+|[Walrus Weights](https://open.kattis.com/problems/walrusweights)| walrusweights |3.9|[![py](images/python.png)]()|
 |[Warehouse](https://open.kattis.com/problems/warehouse)| warehouse |2.1|[![py](images/python.png)]()|
 |[War on Weather](https://open.kattis.com/problems/waronweather)| waronweather |3.4|[![py](images/python.png)]()|
 |[Warring Scoring](https://open.kattis.com/problems/warringscoring)| warringscoring |3.3|[![py](images/python.png)]()|
@@ -2082,6 +2091,7 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[WFF 'N PROOF](https://open.kattis.com/problems/wffnproof)| wffnproof |3.0|[![py](images/python.png)]()|
 |[Whac-a-Mole](https://open.kattis.com/problems/whacamole)| whacamole |6.1|[![py](images/python.png)]()|
 |[What does the fox say](https://open.kattis.com/problems/whatdoesthefoxsay)| whatdoesthefoxsay |2.2|[![java](images/java.png)]()[![py](images/python.png)]()|
+|[Wheels](https://open.kattis.com/problems/wheels)| wheels |3.6|[![py](images/python.png)]()|
 |[Where's My Internet](https://open.kattis.com/problems/wheresmyinternet)| wheresmyinternet |3.0|[![java](images/java.png)]()|
 |[Where's My Waterfall](https://open.kattis.com/problems/wheresmywaterfall)| wheresmywaterfall |3.0|[![py](images/python.png)]()|
 |[Where to Live](https://open.kattis.com/problems/wheretolive)| wheretolive |4.0|[![py](images/python.png)]()|
@@ -2099,11 +2109,12 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Wordle with Friends](https://open.kattis.com/problems/wordlewithfriends)| wordlewithfriends |5.2|[![py](images/python.png)](src/Wordle%20with%20Friends/wordlewithfriends.py)|
 |[Words for Numbers](https://open.kattis.com/problems/wordsfornumbers)| wordsfornumbers |3.1|[![py](images/python.png)]()|
 |[Working From Home](https://open.kattis.com/problems/workingfromhome)| workingfromhome |4.5|[![py](images/python.png)]()|
-|[Workout for a Dumbbell](https://open.kattis.com/problems/workout)| workout |5.5|[![py](images/python.png)](src/Workout%20for%20a%20Dumbbell/workout.py)|
+|[Workout for a Dumbbell](https://open.kattis.com/problems/workout)| workout |5.4|[![py](images/python.png)](src/Workout%20for%20a%20Dumbbell/workout.py)|
 |[Assigning Workstations](https://open.kattis.com/problems/workstations)| workstations |2.5|[![java](images/java.png)]()|
+|[The Worm in the Apple](https://open.kattis.com/problems/worminapple)| worminapple |3.5|[![py](images/python.png)]()|
 |[Board Wrapping](https://open.kattis.com/problems/wrapping)| wrapping |3.5|[![py](images/python.png)]()|
 |[Tima goes to Xentopia](https://open.kattis.com/problems/xentopia)| xentopia |4.7|[![py](images/python.png)]()|
-|[XOR Equation](https://open.kattis.com/problems/xorequation)| xorequation |5.0|[![py](images/python.png)]()|
+|[XOR Equation](https://open.kattis.com/problems/xorequation)| xorequation |4.9|[![py](images/python.png)]()|
 |[XYZZY](https://open.kattis.com/problems/xyzzy)| xyzzy |6.2|[![py](images/python.png)](src/XYZZY/xyzzy.py)|
 |[Yet Another Divisor Problem](https://open.kattis.com/problems/yetanotherdivisorproblem)| yetanotherdivisorproblem |7.2|[![py](images/python.png)](src/Yet%20Another%20Divisor%20Problem/yetanotherdivisorproblem.py)|
 |[Yin and Yang Stones](https://open.kattis.com/problems/yinyangstones)| yinyangstones |1.8|[![py](images/python.png)]()|
@@ -2116,6 +2127,7 @@ For more Python data structure implementations, head over to [pytils](https://gi
 |[Stand on Zanzibar](https://open.kattis.com/problems/zanzibar)| zanzibar |1.5|[![cpp](images/cpp.png)]()|
 |[Zbrka](https://open.kattis.com/problems/zbrka)| zbrka |5.5|[![cpp](images/cpp.png)]()|
 |[Zebras and Ocelots](https://open.kattis.com/problems/zebrasocelots)| zebrasocelots |3.1|[![py](images/python.png)]()|
+|[Zig Zag Nametag](https://open.kattis.com/problems/zigzag)| zigzag |3.8|[![py](images/python.png)]()|
 |[Zipf's Song](https://open.kattis.com/problems/zipfsong)| zipfsong |4.7|[![java](images/java.png)]()|
 |[Zipline](https://open.kattis.com/problems/zipline)| zipline |3.7|[![cpp](images/cpp.png)]()|
 |[Un-bear-able Zoo](https://open.kattis.com/problems/zoo)| zoo |1.8|[![java](images/java.png)]()|
diff --git a/docs/index.html b/docs/index.html
index d113822a..e5397f85 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -241,7 +241,7 @@ <h2>
       8queens
      </td>
      <td>
-      2.9
+      3.0
      </td>
      <td>
       <a href="#">
@@ -331,7 +331,7 @@ <h2>
       abandonedanimal
      </td>
      <td>
-      5.1
+      5.2
      </td>
      <td>
       <a href="#">
@@ -427,7 +427,7 @@ <h2>
       absolutelysymmetric
      </td>
      <td>
-      3.9
+      4.0
      </td>
      <td>
       <a href="#">
@@ -769,7 +769,7 @@ <h2>
       aijeopardy
      </td>
      <td>
-      6.9
+      6.8
      </td>
      <td>
       <a href="https://raw.githubusercontent.com/RussellDash332/kattis/main/src/AI Jeopardy/aijeopardy.py">
@@ -1078,7 +1078,7 @@ <h2>
       almostperfect
      </td>
      <td>
-      3.0
+      3.1
      </td>
      <td>
       <a href="#">
@@ -1369,7 +1369,7 @@ <h2>
       anewalphabet
      </td>
      <td>
-      2.5
+      2.6
      </td>
      <td>
       <a href="#">
@@ -1621,7 +1621,7 @@ <h2>
       ants
      </td>
      <td>
-      2.4
+      2.3
      </td>
      <td>
       <a href="#">
@@ -1861,7 +1861,7 @@ <h2>
       architecture
      </td>
      <td>
-      2.8
+      2.9
      </td>
      <td>
       <a href="#">
@@ -2170,7 +2170,7 @@ <h2>
       asciifigurerotation
      </td>
      <td>
-      3.4
+      3.3
      </td>
      <td>
       <a href="#">
@@ -2536,7 +2536,7 @@ <h2>
       babelfish
      </td>
      <td>
-      2.5
+      2.4
      </td>
      <td>
       <a href="#">
@@ -2881,7 +2881,7 @@ <h2>
       barshelf
      </td>
      <td>
-      7.0
+      7.1
      </td>
      <td>
       <a href="#">
@@ -2989,7 +2989,7 @@ <h2>
       basicremains
      </td>
      <td>
-      3.8
+      3.7
      </td>
      <td>
       <a href="#">
@@ -3007,7 +3007,7 @@ <h2>
       basketballoneonone
      </td>
      <td>
-      1.5
+      1.6
      </td>
      <td>
       <a href="#">
@@ -3115,7 +3115,7 @@ <h2>
       battlesimulation
      </td>
      <td>
-      2.9
+      2.8
      </td>
      <td>
       <a href="#">
@@ -3169,7 +3169,7 @@ <h2>
       beatspread
      </td>
      <td>
-      2.3
+      2.4
      </td>
      <td>
       <a href="#">
@@ -3249,6 +3249,24 @@ <h2>
       </a>
      </td>
     </tr>
+    <tr>
+     <td>
+      <a href="https://open.kattis.com/problems/beepcode">
+       Beep Code
+      </a>
+     </td>
+     <td>
+      beepcode
+     </td>
+     <td>
+      3.5
+     </td>
+     <td>
+      <a href="#">
+       <img alt="py" src="images/python.png"/>
+      </a>
+     </td>
+    </tr>
     <tr>
      <td>
       <a href="https://open.kattis.com/problems/beepers">
@@ -3331,7 +3349,7 @@ <h2>
       bergur
      </td>
      <td>
-      2.6
+      2.7
      </td>
      <td>
       <a href="#">
@@ -3715,7 +3733,7 @@ <h2>
       bioferd
      </td>
      <td>
-      3.9
+      4.1
      </td>
      <td>
       <a href="#">
@@ -3733,7 +3751,7 @@ <h2>
       birds
      </td>
      <td>
-      3.3
+      3.4
      </td>
      <td>
       <a href="#">
@@ -3877,7 +3895,7 @@ <h2>
       bitsequalizer
      </td>
      <td>
-      4.2
+      4.1
      </td>
      <td>
       <a href="#">
@@ -4291,7 +4309,7 @@ <h2>
       bootstrappingnumber
      </td>
      <td>
-      2.8
+      2.9
      </td>
      <td>
       <a href="#">
@@ -4345,7 +4363,7 @@ <h2>
       borg
      </td>
      <td>
-      3.7
+      3.8
      </td>
      <td>
       <a href="#">
@@ -4381,7 +4399,7 @@ <h2>
       bossbattle
      </td>
      <td>
-      1.9
+      2.0
      </td>
      <td>
       <a href="#">
@@ -4669,7 +4687,7 @@ <h2>
       bribe
      </td>
      <td>
-      5.7
+      5.4
      </td>
      <td>
       <a href="https://raw.githubusercontent.com/RussellDash332/kattis/main/src/Bribe/bribe.py">
@@ -5713,7 +5731,7 @@ <h2>
       cargame
      </td>
      <td>
-      5.8
+      5.9
      </td>
      <td>
       <a href="https://raw.githubusercontent.com/RussellDash332/kattis/main/src/Car Game/cargame.py">
@@ -5899,7 +5917,7 @@ <h2>
       cats
      </td>
      <td>
-      4.2
+      4.1
      </td>
      <td>
       <a href="#">
@@ -5971,7 +5989,7 @@ <h2>
       cd
      </td>
      <td>
-      4.5
+      4.6
      </td>
      <td>
       <a href="#">
@@ -6172,7 +6190,7 @@ <h2>
       chartingprogress
      </td>
      <td>
-      2.1
+      2.2
      </td>
      <td>
       <a href="#">
@@ -6442,7 +6460,7 @@ <h2>
       chocolates
      </td>
      <td>
-      5.0
+      5.1
      </td>
      <td>
       <a href="https://raw.githubusercontent.com/RussellDash332/kattis/main/src/Chocolates/chocolates.py">
@@ -6802,7 +6820,7 @@ <h2>
       classy
      </td>
      <td>
-      4.7
+      4.8
      </td>
      <td>
       <a href="#">
@@ -6913,7 +6931,7 @@ <h2>
       closestpair2
      </td>
      <td>
-      7.3
+      7.2
      </td>
      <td>
       <a href="https://raw.githubusercontent.com/RussellDash332/kattis/main/src/Closest Pair/ClosestPair2.java">
@@ -6985,7 +7003,7 @@ <h2>
       cocktail
      </td>
      <td>
-      2.9
+      3.0
      </td>
      <td>
       <a href="#">
@@ -7258,7 +7276,7 @@ <h2>
       collidingtraffic
      </td>
      <td>
-      6.5
+      6.0
      </td>
      <td>
       <a href="https://raw.githubusercontent.com/RussellDash332/kattis/main/src/Colliding Traffic/collidingtraffic.py">
@@ -7426,7 +7444,7 @@ <h2>
       commonfactors
      </td>
      <td>
-      4.8
+      4.9
      </td>
      <td>
       <a href="#">
@@ -7462,7 +7480,7 @@ <h2>
       communicationssatellite
      </td>
      <td>
-      3.7
+      3.8
      </td>
      <td>
       <a href="#">
@@ -7480,7 +7498,7 @@ <h2>
       compass
      </td>
      <td>
-      2.0
+      2.1
      </td>
      <td>
       <a href="#">
@@ -7606,7 +7624,7 @@ <h2>
       congaline
      </td>
      <td>
-      4.8
+      4.7
      </td>
      <td>
       <a href="#">
@@ -8110,7 +8128,7 @@ <h2>
       copsandrobbers
      </td>
      <td>
-      4.9
+      4.8
      </td>
      <td>
       <a href="#">
@@ -8416,7 +8434,7 @@ <h2>
       cowboycheckers
      </td>
      <td>
-      4.2
+      4.3
      </td>
      <td>
       <a href="#">
@@ -8560,7 +8578,7 @@ <h2>
       creditcard
      </td>
      <td>
-      5.6
+      5.5
      </td>
      <td>
       <a href="https://raw.githubusercontent.com/RussellDash332/kattis/main/src/Credit Card Payment/creditcard.py">
@@ -8686,7 +8704,7 @@ <h2>
       crusaders
      </td>
      <td>
-      8.5
+      8.6
      </td>
      <td>
       <a href="https://raw.githubusercontent.com/RussellDash332/kattis/main/src/Crusaders of the Lost Mark/crusaders.py">
@@ -8974,7 +8992,7 @@ <h2>
       cycleshard
      </td>
      <td>
-      8.4
+      8.5
      </td>
      <td>
       <a href="https://raw.githubusercontent.com/RussellDash332/kattis/main/src/Cycles (Hard)/cycleshard.py">
@@ -9262,7 +9280,7 @@ <h2>
       deathtaxes
      </td>
      <td>
-      3.2
+      3.3
      </td>
      <td>
       <a href="#">
@@ -9298,7 +9316,7 @@ <h2>
       debugging
      </td>
      <td>
-      6.0
+      6.1
      </td>
      <td>
       <a href="https://raw.githubusercontent.com/RussellDash332/kattis/main/src/Debugging/debugging.py">
@@ -9649,7 +9667,7 @@ <h2>
       dicegame
      </td>
      <td>
-      1.7
+      1.6
      </td>
      <td>
       <a href="#">
@@ -9805,7 +9823,7 @@ <h2>
       digbuild
      </td>
      <td>
-      4.2
+      4.3
      </td>
      <td>
       <a href="#">
@@ -10060,7 +10078,7 @@ <h2>
       distinctivecharacter
      </td>
      <td>
-      6.7
+      6.8
      </td>
      <td>
       <a href="https://raw.githubusercontent.com/RussellDash332/kattis/main/src/Distinctive Character/distinctivecharacter.py">
@@ -10413,6 +10431,24 @@ <h2>
       </a>
      </td>
     </tr>
+    <tr>
+     <td>
+      <a href="https://open.kattis.com/problems/double">
+       Double Dealing
+      </a>
+     </td>
+     <td>
+      double
+     </td>
+     <td>
+      6.6
+     </td>
+     <td>
+      <a href="https://raw.githubusercontent.com/RussellDash332/kattis/main/src/Double Dealing/double.py">
+       <img alt="py" src="images/python.png"/>
+      </a>
+     </td>
+    </tr>
     <tr>
      <td>
       <a href="https://open.kattis.com/problems/doublepassword">
@@ -10549,7 +10585,7 @@ <h2>
       dragonballs
      </td>
      <td>
-      5.4
+      5.3
      </td>
      <td>
       <a href="#">
@@ -10879,7 +10915,7 @@ <h2>
       dysoncircle
      </td>
      <td>
-      5.1
+      5.2
      </td>
      <td>
       <a href="#">
@@ -10941,6 +10977,24 @@ <h2>
       </a>
      </td>
     </tr>
+    <tr>
+     <td>
+      <a href="https://open.kattis.com/problems/eatingeverything">
+       Eating Everything Efficiently
+      </a>
+     </td>
+     <td>
+      eatingeverything
+     </td>
+     <td>
+      4.4
+     </td>
+     <td>
+      <a href="#">
+       <img alt="py" src="images/python.png"/>
+      </a>
+     </td>
+    </tr>
     <tr>
      <td>
       <a href="https://open.kattis.com/problems/eatingout">
@@ -11455,7 +11509,7 @@ <h2>
       enlarginghashtables
      </td>
      <td>
-      3.0
+      2.9
      </td>
      <td>
       <a href="#">
@@ -11491,7 +11545,7 @@ <h2>
       entirelyunsortedsequences
      </td>
      <td>
-      4.1
+      4.0
      </td>
      <td>
       <a href="#">
@@ -11509,7 +11563,7 @@ <h2>
       enviousexponents
      </td>
      <td>
-      4.9
+      5.0
      </td>
      <td>
       <a href="#">
@@ -11545,7 +11599,7 @@ <h2>
       equalsumseasy
      </td>
      <td>
-      2.8
+      2.9
      </td>
      <td>
       <a href="#">
@@ -11635,7 +11689,7 @@ <h2>
       equivalentexchange
      </td>
      <td>
-      7.4
+      7.5
      </td>
      <td>
       <a href="https://raw.githubusercontent.com/RussellDash332/kattis/main/src/Equivalent Exchange/equivalentexchange.py">
@@ -11707,7 +11761,7 @@ <h2>
       errands
      </td>
      <td>
-      6.2
+      6.3
      </td>
      <td>
       <a href="https://raw.githubusercontent.com/RussellDash332/kattis/main/src/Errands/errands.py">
@@ -11923,7 +11977,7 @@ <h2>
       euclidsgame
      </td>
      <td>
-      4.3
+      4.4
      </td>
      <td>
       <a href="#">
@@ -12271,7 +12325,7 @@ <h2>
       exoplanetlighthouse
      </td>
      <td>
-      2.5
+      2.6
      </td>
      <td>
       <a href="#">
@@ -12781,7 +12835,7 @@ <h2>
       fastestavailableroute
      </td>
      <td>
-      2.9
+      2.8
      </td>
      <td>
       <a href="#">
@@ -12925,7 +12979,7 @@ <h2>
       fenwick
      </td>
      <td>
-      4.2
+      4.1
      </td>
      <td>
       <a href="#">
@@ -12979,7 +13033,7 @@ <h2>
       ferskastajarmid
      </td>
      <td>
-      2.1
+      2.2
      </td>
      <td>
       <a href="#">
@@ -13051,7 +13105,7 @@ <h2>
       fibsogdibs
      </td>
      <td>
-      6.7
+      6.8
      </td>
      <td>
       <a href="https://raw.githubusercontent.com/RussellDash332/kattis/main/src/Fibs og Dibs/fibsogdibs.py">
@@ -13273,7 +13327,7 @@ <h2>
       findmyfamily
      </td>
      <td>
-      4.3
+      4.2
      </td>
      <td>
       <a href="#">
@@ -14236,7 +14290,7 @@ <h2>
       fridge
      </td>
      <td>
-      3.6
+      3.5
      </td>
      <td>
       <a href="#">
@@ -14668,7 +14722,7 @@ <h2>
       gcpc
      </td>
      <td>
-      4.7
+      4.6
      </td>
      <td>
       <a href="#">
@@ -14712,6 +14766,24 @@ <h2>
       </a>
      </td>
     </tr>
+    <tr>
+     <td>
+      <a href="https://open.kattis.com/problems/gears2">
+       Gears
+      </a>
+     </td>
+     <td>
+      gears2
+     </td>
+     <td>
+      3.5
+     </td>
+     <td>
+      <a href="#">
+       <img alt="py" src="images/python.png"/>
+      </a>
+     </td>
+    </tr>
     <tr>
      <td>
       <a href="https://open.kattis.com/problems/geezerscripts">
@@ -14902,7 +14974,7 @@ <h2>
       geppetto
      </td>
      <td>
-      2.4
+      2.5
      </td>
      <td>
       <a href="#">
@@ -15481,7 +15553,7 @@ <h2>
       grass
      </td>
      <td>
-      4.8
+      4.6
      </td>
      <td>
       <a href="#">
@@ -15661,7 +15733,7 @@ <h2>
       grid
      </td>
      <td>
-      2.6
+      2.7
      </td>
      <td>
       <a href="#">
@@ -15715,7 +15787,7 @@ <h2>
       gridmst
      </td>
      <td>
-      6.3
+      6.2
      </td>
      <td>
       <a href="https://raw.githubusercontent.com/RussellDash332/kattis/main/src/Grid MST/gridmst.py">
@@ -15823,7 +15895,7 @@ <h2>
       guessinggame
      </td>
      <td>
-      3.2
+      3.3
      </td>
      <td>
       <a href="#">
@@ -16075,7 +16147,7 @@ <h2>
       happyandunhappynumbers
      </td>
      <td>
-      6.7
+      6.8
      </td>
      <td>
       <a href="#">
@@ -16273,7 +16345,7 @@ <h2>
       headguard
      </td>
      <td>
-      2.0
+      2.3
      </td>
      <td>
       <a href="#">
@@ -16345,7 +16417,7 @@ <h2>
       height
      </td>
      <td>
-      2.1
+      2.0
      </td>
      <td>
       <a href="#">
@@ -16621,7 +16693,7 @@ <h2>
       hidden
      </td>
      <td>
-      2.3
+      2.2
      </td>
      <td>
       <a href="#">
@@ -16837,7 +16909,7 @@ <h2>
       hnumbers
      </td>
      <td>
-      5.3
+      5.0
      </td>
      <td>
       <a href="#">
@@ -17179,7 +17251,7 @@ <h2>
       howmanyzeros
      </td>
      <td>
-      4.0
+      3.9
      </td>
      <td>
       <a href="#">
@@ -17956,7 +18028,7 @@ <h2>
       inheritance
      </td>
      <td>
-      3.7
+      3.6
      </td>
      <td>
       <a href="#">
@@ -18046,7 +18118,7 @@ <h2>
       integerlists
      </td>
      <td>
-      5.1
+      5.0
      </td>
      <td>
       <a href="https://raw.githubusercontent.com/RussellDash332/kattis/main/src/Integer Lists/IntegerLists.java">
@@ -18172,7 +18244,7 @@ <h2>
       interplanetarytunnels
      </td>
      <td>
-      2.7
+      2.8
      </td>
      <td>
       <a href="#">
@@ -18301,7 +18373,7 @@ <h2>
       inventing
      </td>
      <td>
-      5.0
+      5.1
      </td>
      <td>
       <a href="#">
@@ -18319,7 +18391,7 @@ <h2>
       inversefactorial
      </td>
      <td>
-      5.5
+      5.6
      </td>
      <td>
       <a href="#">
@@ -18594,6 +18666,24 @@ <h2>
       </a>
      </td>
     </tr>
+    <tr>
+     <td>
+      <a href="https://open.kattis.com/problems/isomorphicinversion">
+       Isomorphic Inversion
+      </a>
+     </td>
+     <td>
+      isomorphicinversion
+     </td>
+     <td>
+      5.8
+     </td>
+     <td>
+      <a href="https://raw.githubusercontent.com/RussellDash332/kattis/main/src/Isomorphic Inversion/isomorphicinversion.py">
+       <img alt="py" src="images/python.png"/>
+      </a>
+     </td>
+    </tr>
     <tr>
      <td>
       <a href="https://open.kattis.com/problems/isyavowel">
@@ -18622,7 +18712,7 @@ <h2>
       itcanbearranged
      </td>
      <td>
-      4.6
+      4.7
      </td>
      <td>
       <a href="#">
@@ -19759,7 +19849,7 @@ <h2>
       keypad
      </td>
      <td>
-      3.3
+      3.4
      </td>
      <td>
       <a href="#">
@@ -20065,7 +20155,7 @@ <h2>
       knapsack
      </td>
      <td>
-      4.5
+      4.6
      </td>
      <td>
       <a href="#">
@@ -20155,7 +20245,7 @@ <h2>
       knightsfen
      </td>
      <td>
-      3.5
+      3.4
      </td>
      <td>
       <a href="#">
@@ -20443,7 +20533,7 @@ <h2>
       laegdyfirlandinu
      </td>
      <td>
-      1.8
+      1.7
      </td>
      <td>
       <a href="#">
@@ -21097,7 +21187,7 @@ <h2>
       listgame
      </td>
      <td>
-      3.0
+      2.9
      </td>
      <td>
       <a href="#">
@@ -21265,7 +21355,7 @@ <h2>
       logo
      </td>
      <td>
-      2.3
+      2.4
      </td>
      <td>
       <a href="#">
@@ -21373,7 +21463,7 @@ <h2>
       longincsubseq
      </td>
      <td>
-      5.0
+      5.1
      </td>
      <td>
       <a href="https://raw.githubusercontent.com/RussellDash332/kattis/main/src/Longest Increasing Subsequence/longincsubseq.py">
@@ -21535,7 +21625,7 @@ <h2>
       lostmap
      </td>
      <td>
-      1.6
+      1.7
      </td>
      <td>
       <a href="#">
@@ -21661,7 +21751,7 @@ <h2>
       lyklagangriti
      </td>
      <td>
-      4.4
+      4.5
      </td>
      <td>
       <a href="#">
@@ -22122,6 +22212,24 @@ <h2>
       </a>
      </td>
     </tr>
+    <tr>
+     <td>
+      <a href="https://open.kattis.com/problems/manhattanpositioningsystem">
+       Manhattan Positioning System
+      </a>
+     </td>
+     <td>
+      manhattanpositioningsystem
+     </td>
+     <td>
+      7.1
+     </td>
+     <td>
+      <a href="https://raw.githubusercontent.com/RussellDash332/kattis/main/src/Manhattan Positioning System/manhattanpositioningsystem.py">
+       <img alt="py" src="images/python.png"/>
+      </a>
+     </td>
+    </tr>
     <tr>
      <td>
       <a href="https://open.kattis.com/problems/mapcolouring">
@@ -22222,7 +22330,7 @@ <h2>
       martensdfs
      </td>
      <td>
-      6.2
+      6.3
      </td>
      <td>
       <a href="https://raw.githubusercontent.com/RussellDash332/kattis/main/src/Mårten's DFS/martensdfs.py">
@@ -22348,7 +22456,7 @@ <h2>
       mathemagicians
      </td>
      <td>
-      4.9
+      4.8
      </td>
      <td>
       <a href="#">
@@ -22492,7 +22600,7 @@ <h2>
       maxflow
      </td>
      <td>
-      4.5
+      4.4
      </td>
      <td>
       <a href="#">
@@ -22681,7 +22789,7 @@ <h2>
       megainversions
      </td>
      <td>
-      3.1
+      3.0
      </td>
      <td>
       <a href="#">
@@ -22753,7 +22861,7 @@ <h2>
       messages
      </td>
      <td>
-      5.0
+      4.9
      </td>
      <td>
       <a href="#">
@@ -23206,7 +23314,7 @@ <h2>
       mnist2class
      </td>
      <td>
-      9.2
+      9.3
      </td>
      <td>
       <a href="https://raw.githubusercontent.com/RussellDash332/kattis/main/src/Two-Class Binary Neural Network for Handwritten Digits/mnist2class.py">
@@ -23962,7 +24070,7 @@ <h2>
       mwvc
      </td>
      <td>
-      7.7
+      7.9
      </td>
      <td>
       <a href="#">
@@ -24487,7 +24595,7 @@ <h2>
       nonprimefactors
      </td>
      <td>
-      6.0
+      6.1
      </td>
      <td>
       <a href="https://raw.githubusercontent.com/RussellDash332/kattis/main/src/Non-Prime Factors/nonprimefactors.cpp">
@@ -24639,6 +24747,24 @@ <h2>
       </a>
      </td>
     </tr>
+    <tr>
+     <td>
+      <a href="https://open.kattis.com/problems/nucleotides">
+       Determining Nucleotide Assortments
+      </a>
+     </td>
+     <td>
+      nucleotides
+     </td>
+     <td>
+      3.5
+     </td>
+     <td>
+      <a href="#">
+       <img alt="py" src="images/python.png"/>
+      </a>
+     </td>
+    </tr>
     <tr>
      <td>
       <a href="https://open.kattis.com/problems/numbercolosseum">
@@ -24691,7 +24817,7 @@ <h2>
       numbers
      </td>
      <td>
-      6.8
+      6.9
      </td>
      <td>
       <a href="https://raw.githubusercontent.com/RussellDash332/kattis/main/src/Nice Numbers/numbers.py">
@@ -24799,7 +24925,7 @@ <h2>
       oceancurrents
      </td>
      <td>
-      5.4
+      5.3
      </td>
      <td>
       <a href="#">
@@ -25105,7 +25231,7 @@ <h2>
       onechicken
      </td>
      <td>
-      1.8
+      1.9
      </td>
      <td>
       <a href="#">
@@ -25600,7 +25726,7 @@ <h2>
       paintball
      </td>
      <td>
-      3.4
+      3.5
      </td>
      <td>
       <a href="#">
@@ -25978,7 +26104,7 @@ <h2>
       paths
      </td>
      <td>
-      4.3
+      4.2
      </td>
      <td>
       <a href="#">
@@ -26122,7 +26248,7 @@ <h2>
       peasoup
      </td>
      <td>
-      3.0
+      3.1
      </td>
      <td>
       <a href="#">
@@ -26218,7 +26344,7 @@ <h2>
       pegsandlegs
      </td>
      <td>
-      3.5
+      3.6
      </td>
      <td>
       <a href="#">
@@ -26290,7 +26416,7 @@ <h2>
       perfectpowers
      </td>
      <td>
-      5.5
+      5.6
      </td>
      <td>
       <a href="https://raw.githubusercontent.com/RussellDash332/kattis/main/src/Perfect Pth Powers/perfectpowers.cpp">
@@ -26932,7 +27058,7 @@ <h2>
       planets2
      </td>
      <td>
-      3.1
+      3.2
      </td>
      <td>
       <a href="#">
@@ -26995,7 +27121,7 @@ <h2>
       platforme
      </td>
      <td>
-      2.7
+      2.8
      </td>
      <td>
       <a href="#">
@@ -27433,7 +27559,7 @@ <h2>
       powereggs
      </td>
      <td>
-      4.5
+      4.4
      </td>
      <td>
       <a href="#">
@@ -27649,7 +27775,7 @@ <h2>
       primecount
      </td>
      <td>
-      8.5
+      8.6
      </td>
      <td>
       <a href="https://raw.githubusercontent.com/RussellDash332/kattis/main/src/Prime Count/primecount.py">
@@ -27955,7 +28081,7 @@ <h2>
       programmingteamselection
      </td>
      <td>
-      6.0
+      5.9
      </td>
      <td>
       <a href="#">
@@ -27991,7 +28117,7 @@ <h2>
       progressivescramble
      </td>
      <td>
-      2.2
+      2.3
      </td>
      <td>
       <a href="#">
@@ -28171,7 +28297,7 @@ <h2>
       pullingtheirweight
      </td>
      <td>
-      4.2
+      4.3
      </td>
      <td>
       <a href="#">
@@ -28261,7 +28387,7 @@ <h2>
       putovanje
      </td>
      <td>
-      3.0
+      3.1
      </td>
      <td>
       <a href="#">
@@ -28432,7 +28558,7 @@ <h2>
       quadres
      </td>
      <td>
-      6.5
+      6.6
      </td>
      <td>
       <a href="https://raw.githubusercontent.com/RussellDash332/kattis/main/src/Quadratic Residues/quadres.py">
@@ -28600,7 +28726,7 @@ <h2>
       race
      </td>
      <td>
-      6.3
+      6.4
      </td>
      <td>
       <a href="https://raw.githubusercontent.com/RussellDash332/kattis/main/src/Amazing Race/race.cpp">
@@ -28654,7 +28780,7 @@ <h2>
       radar
      </td>
      <td>
-      7.5
+      7.6
      </td>
      <td>
       <a href="https://raw.githubusercontent.com/RussellDash332/kattis/main/src/Radar/radar.py">
@@ -28834,7 +28960,7 @@ <h2>
       rainbowroadrace
      </td>
      <td>
-      3.8
+      3.7
      </td>
      <td>
       <a href="#">
@@ -28924,7 +29050,7 @@ <h2>
       rankproblem
      </td>
      <td>
-      2.9
+      3.0
      </td>
      <td>
       <a href="#">
@@ -29437,7 +29563,7 @@ <h2>
       redundantbinarynotation
      </td>
      <td>
-      4.1
+      4.0
      </td>
      <td>
       <a href="https://raw.githubusercontent.com/RussellDash332/kattis/main/src/Redundant Binary Notation/redundantbinarynotation.py">
@@ -29959,7 +30085,7 @@ <h2>
       roberthood
      </td>
      <td>
-      4.4
+      4.3
      </td>
      <td>
       <a href="#">
@@ -30070,7 +30196,7 @@ <h2>
       rockpaperscissors
      </td>
      <td>
-      3.9
+      4.0
      </td>
      <td>
       <a href="#">
@@ -30420,6 +30546,24 @@ <h2>
       </a>
      </td>
     </tr>
+    <tr>
+     <td>
+      <a href="https://open.kattis.com/problems/saferacing">
+       Safe Racing
+      </a>
+     </td>
+     <td>
+      saferacing
+     </td>
+     <td>
+      3.6
+     </td>
+     <td>
+      <a href="#">
+       <img alt="py" src="images/python.png"/>
+      </a>
+     </td>
+    </tr>
     <tr>
      <td>
       <a href="https://open.kattis.com/problems/safety">
@@ -30520,7 +30664,7 @@ <h2>
       sammaeining
      </td>
      <td>
-      6.4
+      6.5
      </td>
      <td>
       <a href="https://raw.githubusercontent.com/RussellDash332/kattis/main/src/Sammaeining/sammaeining.py">
@@ -30628,7 +30772,7 @@ <h2>
       savingforretirement
      </td>
      <td>
-      1.9
+      2.0
      </td>
      <td>
       <a href="#">
@@ -30898,7 +31042,7 @@ <h2>
       selectgroup
      </td>
      <td>
-      4.1
+      4.2
      </td>
      <td>
       <a href="#">
@@ -31006,7 +31150,7 @@ <h2>
       sequences
      </td>
      <td>
-      5.8
+      5.7
      </td>
      <td>
       <a href="https://raw.githubusercontent.com/RussellDash332/kattis/main/src/0-1 Sequences/sequences.py">
@@ -31060,7 +31204,7 @@ <h2>
       set
      </td>
      <td>
-      2.0
+      2.1
      </td>
      <td>
       <a href="#">
@@ -31801,7 +31945,7 @@ <h2>
       simplysudoku
      </td>
      <td>
-      4.0
+      4.1
      </td>
      <td>
       <a href="#">
@@ -32320,7 +32464,7 @@ <h2>
       snim
      </td>
      <td>
-      2.9
+      3.0
      </td>
      <td>
       <a href="#">
@@ -33157,7 +33301,7 @@ <h2>
       stampcombinations
      </td>
      <td>
-      5.3
+      5.4
      </td>
      <td>
       <a href="#">
@@ -33237,6 +33381,24 @@ <h2>
       </a>
      </td>
     </tr>
+    <tr>
+     <td>
+      <a href="https://open.kattis.com/problems/starsinacan">
+       Stars in a Can
+      </a>
+     </td>
+     <td>
+      starsinacan
+     </td>
+     <td>
+      5.7
+     </td>
+     <td>
+      <a href="https://raw.githubusercontent.com/RussellDash332/kattis/main/src/Stars in a Can/starsinacan.py">
+       <img alt="py" src="images/python.png"/>
+      </a>
+     </td>
+    </tr>
     <tr>
      <td>
       <a href="https://open.kattis.com/problems/statistics">
@@ -33535,7 +33697,7 @@ <h2>
       stringmatching
      </td>
      <td>
-      3.8
+      3.9
      </td>
      <td>
       <a href="#">
@@ -33931,7 +34093,7 @@ <h2>
       supercomputer
      </td>
      <td>
-      2.7
+      2.8
      </td>
      <td>
       <a href="#">
@@ -34297,7 +34459,7 @@ <h2>
       taxtherich
      </td>
      <td>
-      4.7
+      4.8
      </td>
      <td>
       <a href="#">
@@ -35296,7 +35458,7 @@ <h2>
       tolvunarfraedingartelja
      </td>
      <td>
-      1.2
+      1.1
      </td>
      <td>
       <a href="#">
@@ -35368,7 +35530,7 @@ <h2>
       touchscreenkeyboard
      </td>
      <td>
-      2.3
+      2.2
      </td>
      <td>
       <a href="#">
@@ -35605,7 +35767,7 @@ <h2>
       trainsorting
      </td>
      <td>
-      5.6
+      5.7
      </td>
      <td>
       <a href="https://raw.githubusercontent.com/RussellDash332/kattis/main/src/Train Sorting/trainsorting.py">
@@ -35857,7 +36019,7 @@ <h2>
       treirad
      </td>
      <td>
-      1.7
+      1.6
      </td>
      <td>
       <a href="#">
@@ -36343,7 +36505,7 @@ <h2>
       turbo
      </td>
      <td>
-      4.7
+      4.6
      </td>
      <td>
       <a href="#">
@@ -36415,7 +36577,7 @@ <h2>
       twostones
      </td>
      <td>
-      1.3
+      1.2
      </td>
      <td>
       <a href="#">
@@ -36754,7 +36916,7 @@ <h2>
       unowncodeeasy
      </td>
      <td>
-      5.3
+      5.2
      </td>
      <td>
       <a href="#">
@@ -37474,7 +37636,7 @@ <h2>
       walrusweights
      </td>
      <td>
-      4.0
+      3.9
      </td>
      <td>
       <a href="#">
@@ -37773,6 +37935,24 @@ <h2>
       </a>
      </td>
     </tr>
+    <tr>
+     <td>
+      <a href="https://open.kattis.com/problems/wheels">
+       Wheels
+      </a>
+     </td>
+     <td>
+      wheels
+     </td>
+     <td>
+      3.6
+     </td>
+     <td>
+      <a href="#">
+       <img alt="py" src="images/python.png"/>
+      </a>
+     </td>
+    </tr>
     <tr>
      <td>
       <a href="https://open.kattis.com/problems/wheresmyinternet">
@@ -38089,7 +38269,7 @@ <h2>
       workout
      </td>
      <td>
-      5.5
+      5.4
      </td>
      <td>
       <a href="https://raw.githubusercontent.com/RussellDash332/kattis/main/src/Workout for a Dumbbell/workout.py">
@@ -38115,6 +38295,24 @@ <h2>
       </a>
      </td>
     </tr>
+    <tr>
+     <td>
+      <a href="https://open.kattis.com/problems/worminapple">
+       The Worm in the Apple
+      </a>
+     </td>
+     <td>
+      worminapple
+     </td>
+     <td>
+      3.5
+     </td>
+     <td>
+      <a href="#">
+       <img alt="py" src="images/python.png"/>
+      </a>
+     </td>
+    </tr>
     <tr>
      <td>
       <a href="https://open.kattis.com/problems/wrapping">
@@ -38161,7 +38359,7 @@ <h2>
       xorequation
      </td>
      <td>
-      5.0
+      4.9
      </td>
      <td>
       <a href="#">
@@ -38388,6 +38586,24 @@ <h2>
       </a>
      </td>
     </tr>
+    <tr>
+     <td>
+      <a href="https://open.kattis.com/problems/zigzag">
+       Zig Zag Nametag
+      </a>
+     </td>
+     <td>
+      zigzag
+     </td>
+     <td>
+      3.8
+     </td>
+     <td>
+      <a href="#">
+       <img alt="py" src="images/python.png"/>
+      </a>
+     </td>
+    </tr>
     <tr>
      <td>
       <a href="https://open.kattis.com/problems/zipfsong">
diff --git a/src/Double Dealing/double.py b/src/Double Dealing/double.py
new file mode 100644
index 00000000..d4238db2
--- /dev/null
+++ b/src/Double Dealing/double.py	
@@ -0,0 +1,16 @@
+from math import *
+import sys; input = sys.stdin.readline
+while True:
+    n, k = map(int, input().split())
+    if n+k:
+        a = [[] for _ in range(k)]; p = []
+        for i in range(n): a[i%k].append(i)
+        for i in a: p.extend(i[::-1])
+        s = [0]*n; c = 1
+        for i in range(n):
+            if s[i]: continue
+            t = i; v = 1
+            while p[t] != i: s[t] = 1; t = p[t]; v += 1
+            c = lcm(c, v)
+        print(c)
+    else: break
\ No newline at end of file
diff --git a/src/Isomorphic Inversion/isomorphicinversion.py b/src/Isomorphic Inversion/isomorphicinversion.py
new file mode 100644
index 00000000..d7ae65f9
--- /dev/null
+++ b/src/Isomorphic Inversion/isomorphicinversion.py	
@@ -0,0 +1,9 @@
+s = [*map(int, input())]; n = len(s)
+p = 31; M = 10**9+7
+e = [pow(p, i, M) for i in range(n)]
+P = S = a = v = 0
+for i in range(n):
+    P += e[v]*s[i]; P %= M; v += 1
+    S *= p; S += s[n-1-i]; S %= M
+    if P == S: a += 1; P = S = v = 0
+print(a)
\ No newline at end of file
diff --git a/src/Manhattan Positioning System/manhattanpositioningsystem.py b/src/Manhattan Positioning System/manhattanpositioningsystem.py
new file mode 100644
index 00000000..1a106a7c
--- /dev/null
+++ b/src/Manhattan Positioning System/manhattanpositioningsystem.py	
@@ -0,0 +1,64 @@
+import sys; input = sys.stdin.readline
+
+def intersect(s1, s2):
+    (p1, p2), (p3, p4) = s1, s2
+    (x1, y1), (x2, y2), (x3, y3), (x4, y4) = p1, p2, p3, p4
+    a, b, c = y2-y1, x1-x2, (y2-y1)*x1 - (x2-x1)*y1
+    d, e, f = y4-y3, x3-x4, (y4-y3)*x3 - (x4-x3)*y3
+    if a == b == 0: return ((x1, y1) if (x1, y1) == (x3, y3) else None) if d == e == 0 else ((x1, y1) if d*x1 + e*y1 == f and min(x3, x4) <= x1 <= max(x3, x4) and min(y3, y4) <= y1 <= max(y3, y4) else None)
+    elif d == e == 0: return (x3, y3) if a*x3 + b*y3 == c and min(x1, x2) <= x3 <= max(x1, x2) and min(y1, y2) <= y3 <= max(y1, y2) else None
+    else:
+        det = b*d-a*e
+        if det:
+            x, y = (b*f-c*e)/det, (c*d-a*f)/det
+            return (x, y) if min(x1, x2) <= x <= max(x1, x2) and min(y1, y2) <= y <= max(y1, y2) and min(x3, x4) <= x <= max(x3, x4) and min(y3, y4) <= y <= max(y3, y4) else None
+        else:
+            if a*f != c*d or b*f != c*e: return None
+            else:
+                p, q = min((x1, y1), (x2, y2)), max((x1, y1), (x2, y2))
+                r, s = min((x3, y3), (x4, y4)), max((x3, y3), (x4, y4))
+                if (p, q) == (r, s):    i1, i2 = p, q
+                elif p <= r <= q:       i1, i2 = r, min(q, s)
+                elif r <= p <= s:       i1, i2 = p, min(s, q)
+                else:                   i1 = i2 = None
+                if i1 == i2 and i1 != None: return i1
+                elif i1:                    return (i1, i2)
+                else:                       return None
+
+def is_lattice(p):
+    return abs(p[0]-round(p[0]))<1e-9>abs(p[1]-round(p[1]))
+
+n = int(input()); d = []
+for _ in range(n): x, y, r = map(int, input().split()); d.append((x, y, r))
+if n == 1:
+    if r == 0: print(x, y)
+    else: print('uncertain')
+    exit(0)
+candidates = set()
+x1, y1, r1 = d[0]
+p1 = [(x1, y1+r1), (x1+r1, y1), (x1, y1-r1), (x1-r1, y1)]
+s1 = [(p1[k], p1[(k+1)%4]) for k in range(4)]
+x2, y2, r2 = d[1]
+p2 = [(x2, y2+r2), (x2+r2, y2), (x2, y2-r2), (x2-r2, y2)]
+s2 = [(p2[k], p2[(k+1)%4]) for k in range(4)]
+for a in s1:
+    for b in s2:
+        c = intersect(a, b)
+        if c: candidates.add(c)
+for i in range(2, n):
+    x1, y1, r1 = d[i]
+    p1 = [(x1, y1+r1), (x1+r1, y1), (x1, y1-r1), (x1-r1, y1)]
+    s1 = [(p1[k], p1[(k+1)%4]) for k in range(4)]
+    new_candidates = set()
+    for cand in candidates:
+        if type(cand[0]) != tuple: # point
+            if abs(abs(x1-cand[0])+abs(y1-cand[1])-r1)<1e-9: new_candidates.add(cand)
+        else: # segment
+            for a in s1:
+                b = intersect(cand, a)
+                if b: new_candidates.add(b)
+    candidates = new_candidates
+candidates = {(a, b) for a, b in candidates if (type(a)!=tuple and is_lattice((a, b))) or (type(a)==tuple and is_lattice(a) and is_lattice(b))}
+if len(candidates) == 1: print(*map(round, candidates.pop()))
+elif len(candidates) > 1: print('uncertain')
+else: print('impossible')
\ No newline at end of file
diff --git a/src/Stars in a Can/starsinacan.py b/src/Stars in a Can/starsinacan.py
new file mode 100644
index 00000000..20a82006
--- /dev/null
+++ b/src/Stars in a Can/starsinacan.py	
@@ -0,0 +1,80 @@
+import sys; input = sys.stdin.readline
+from math import *
+from random import *
+
+def dist(a, b, c):
+    return (a*a+b*b+c*c)**0.5
+
+def dot(a, b):
+    return a[0]*b[0]+a[1]*b[1]+a[2]*b[2]
+
+def cross_util(a, b):
+    return (a[1]*b[2]-a[2]*b[1], a[2]*b[0]-a[0]*b[2], a[0]*b[1]-a[1]*b[0])
+
+def cross(a, b, c):
+    return cross_util((b[0]-a[0], b[1]-a[1], b[2]-a[2]), (c[0]-a[0], c[1]-a[1], c[2]-a[2]))
+
+def proj(p, q):
+    a, b, c = q
+    t = cross(a, b, c)
+    n = dist(*t)
+    u = (t[0]/n, t[1]/n, t[2]/n)
+    x = dot(p, u)-dot(a, u)
+    return (p[0]-u[0]*x, p[1]-u[1]*x, p[2]-u[2]*x)
+
+# O(n^2) KACTL, no four points are coplanar
+def chull(A):
+    F = []; n = len(A); K = ((1, 2), (1, 3), (2, 3))
+    E = [[[] for _ in range(n)] for _ in range(n)]
+    def mf(i, j, k, l):
+        q = cross(A[i], A[j], A[k])
+        if dot(q, A[l]) > dot(q, A[i]): q = (-q[0], -q[1], -q[2])
+        E[i][j].append(k); E[i][k].append(j); E[j][k].append(i); F.append([q, i, j, k])
+    for i in range(4):
+        for j in range(i+1, 4):
+            for k in range(j+1, 4): mf(i, j, k, 6-i-j-k)
+    for i in range(4, n):
+        j = 0
+        while j < len(F):
+            f = F[j]
+            if dot(f[0], A[i]) > dot(f[0], A[f[1]]):
+                for a, b in K: E[f[a]][f[b]].remove(f[6-a-b])
+                F[j], F[-1] = F[-1], F[j]; F.pop(); j -= 1
+            j += 1
+        for j in range(len(F)):
+            f = F[j]
+            for a, b in K:
+                if len(E[f[a]][f[b]]) != 2: mf(f[a], f[b], i, f[6-a-b])
+    for f in F:
+        if dot(cross(A[f[1]], A[f[2]], A[f[3]]), f[0]) <= 0: f[2], f[3] = f[3], f[2]
+    return F
+
+def circumcenter(a, b, c):
+    x = (c[0]-a[0], c[1]-a[1], c[2]-a[2])
+    y = (b[0]-a[0], b[1]-a[1], b[2]-a[2])
+    s1 = dist(*x); s2 = dist(*y)
+    c = cross_util(x, y); d = (-c[0], -c[1], -c[2]); e = 2*(c[0]**2+c[1]**2+c[2]**2)
+    p = cross_util(d, y); q = cross_util(c, x)
+    return (a[0]+s1*s1/e*p[0]+s2*s2/e*q[0] , a[1]+s1*s1/e*p[1]+s2*s2/e*q[1], a[2]+s1*s1/e*p[2]+s2*s2/e*q[2])
+
+def mec(p):
+    shuffle(p); o = p[0]; r = 0; eps = 1+1e-9
+    for i in range(len(p)):
+        if dist(o[0]-p[i][0], o[1]-p[i][1], o[2]-p[i][2]) <= r*eps: continue
+        o = p[i]; r = 0
+        for j in range(i):
+            if dist(o[0]-p[j][0], o[1]-p[j][1], o[2]-p[j][2]) <= r*eps: continue
+            o = ((p[i][0]+p[j][0])/2, (p[i][1]+p[j][1])/2, (p[i][2]+p[j][2])/2)
+            r = dist(o[0]-p[i][0], o[1]-p[i][1], o[2]-p[i][2])
+            for k in range(j):
+                if dist(o[0]-p[k][0], o[1]-p[k][1], o[2]-p[k][2]) <= r*eps: continue
+                o = circumcenter(p[i], p[j], p[k])
+                r = dist(o[0]-p[i][0], o[1]-p[i][1], o[2]-p[i][2])
+    return o, r
+
+n = int(input()); A = [tuple(map(int, input().split())) for _ in range(n)]; ans = float('inf')
+for i, j, k in [x[1:] for x in chull(A)]:
+    P = (A[i], A[j], A[k])
+    p = [proj(A[l], P) for l in range(n)]
+    ans = min(ans, max(dist(p[l][0]-A[l][0], p[l][1]-A[l][1], p[l][2]-A[l][2]) for l in range(n))*mec(p)[1]**2)
+print(ans*pi)
\ No newline at end of file