5.ipynb

{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "inp = 'uqwqemis'"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "from hashlib import md5"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Part 1"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "test_inp = 'abc3231929'"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "get_hash = lambda n: md5(inp+str(n)).hexdigest()\n",
    "test_hash = lambda n: get_hash(n)[:5] == '00000'"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'1a3099aa'"
      ]
     },
     "execution_count": 5,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "from itertools import islice, count\n",
    "correct_num_gen = (get_hash(n)[5] \n",
    "                   for n in count(start=0, step=1) if test_hash(n) == True)\n",
    "''.join(islice(correct_num_gen, 8))"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Part 2"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[('9', '1'),\n",
       " ('1', '3'),\n",
       " ('6', '0'),\n",
       " ('4', '2'),\n",
       " ('e', '2'),\n",
       " ('0', '5'),\n",
       " ('9', '4'),\n",
       " ('c', '6'),\n",
       " ('6', '6'),\n",
       " ('d', '7')]"
      ]
     },
     "execution_count": 6,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "valid_idx = lambda c: int(c, base=16) < 8\n",
    "num_gen_p2 = ((get_hash(n)[6], get_hash(n)[5])\n",
    "             for n in count(start=0, step=1) if test_hash(n) and valid_idx(get_hash(n)[5]))\n",
    "list(islice(num_gen_p2, 10))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "694190"
      ]
     },
     "execution_count": 7,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "694190"
   ]
  }
 ],
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   "display_name": "Python 2",
   "language": "python",
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  "language_info": {
   "codemirror_mode": {
    "name": "ipython",
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   "file_extension": ".py",
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