Data Structures And Algorithms

Collection of Python solutions for various Data Structures And Algorithms questions.

• LeetCode

  • PREMIUM
    • Nested List Weight Sum
    • Palindrome Permutation
    • Missing Ranges
    • Shortest Word Distance
  • EASY
    • Flipping an Image
    • Binary Tree Tilt
    • Minimum Cost to Move Chips to The Same Position
    • Consecutive Characters
    • Convert Binary Number in a Linked List to Integer
    • Summary Ranges
    • Minimum Depth of Binary Tree
    • Buddy Strings
    • Binary Search
    • Complement of Base 10 Integer
    • Number of Recent Calls
    • Find the Difference
  • MEDIUM
    • Maximum Difference Between Node and Ancestor
    • Add Two Numbers II
    • Minimum Height Trees
    • Insertion Sort List
    • Number of Longest Increasing Subsequence
    • Maximize Distance to Closest Person
    • Linked List Cycle II
    • Champagne Tower
    • Bag of Tokens
    • 132 Pattern
    • Asteroid Collision
    • Clone Graph
    • Minimum Domino Rotations For Equal Row
    • Repeated DNA Sequences
    • Search A 2D Matrix
    • Rotate Array
    • House Robber II
    • Sort List
    • Remove Duplicate Letters
    • Minimum Number of Arrows to Burst Balloons
    • Rotate List
    • Insert into Binary Search Tree
    • Remove Covered Intervals
    • K Diff Pairs in Array
    • Combination Sum
    • Word Break
    • Subarray Product Less Than K
    • Evaluate Division
    • Teemo Attacking
    • Largest Number
    • Gas Station
    • Sequential Digits
    • Car Pooling
    • Majority Element II
  • HARD
    • Recover Binary Search Tree
    • Stone Game IV
    • Best Time to Buy and Sell Stock IV
    • First Missing Positive
    • Unique Paths III

• InterviewBit

  • Day 2: Array and Math
    • Assignment
      • Closest MinMax
  • Day 3
    • HomeWork
      • Alternate positive and negative elements (Using Extra Space)
  • Day 6
    • Assignment
      • Greatest Common Divisor
      • Delete One
      • Pubg
      • Divisor Game
      • Delete Elements
    • Homework
      • Trailing Zeros in Factorial
      • Enumerating GCD
      • A, B and Modulo
      • Consecutive Number Sum
  • Day 8
    • Assignment
      • Count of divisors for multiple queries
      • Factorial Array
    • Homework
      • Prime Sum
      • Lucky Numbers
      • Find nth Magic Number
  • Day 17 - Two Pointers
    • Assignment
      • Count of pairs with the given sum

• Codechef

  • Long Challenge's
    • FEB19
      • HMAPPY2
      • CHEFING
    • MAR19
      • CHNUM
  • Cook Off's
    • FEB19
      • TABLET
      • CHFPARTY
    • MAR19
      • NBONACCI
  • Lunch Time's
    • FEB19
      • AVG
  • Practice
    • BEGINNER
    • EASY
    • MEDIUM
    • HARD

• Hacker Rank

• Geeks For Geeks

  • SCHOOL
    • Reverse an Array
    • Print alternate elements of an array
  • BASIC
    • Search an Element in an array
    • Rotating an Array
    • Sort in specific order
    • Find second largest element
    • Repeated I.Ds
    • Multiply left and right array sum
    • Immediate Smaller Element
    • Reverse array in groups
    • Print an array in Pendulum Arrangement
    • Transform to prime
    • Find the closest number
    • Count nodes of linked list
    • Product of array elements
    • Start Coding - Python
    • Space Seperated - Python
  • EASY
    • Sort an array of 0s, 1s and 2s
    • Chocolate Distribution Problem
    • Index Of an Extra Element
    • Leaders in an array
    • SP - Palindrome Family
    • Sum of given range
    • Triangular Number
  • MEDIUM
    • Excel Sheet | Part - 1
    • Sum of bit differences
    • Kth smallest element
    • Multiply two strings
    • Case-specific Sorting of Strings
    • Find Prime numbers in a range
    • Nearly Sorted Algorithm
    • Subarray with given sum
  • HARD
    • Return two prime numbers

• Hacker Earth

• CodeForces

• Hacker Blocks

  • GENERAL
    • Rotate Image