advent05.ipynb

   1 {
   2  "cells": [
   3   {
   4    "cell_type": "code",
   5    "execution_count": 1,
   6    "metadata": {
   7     "collapsed": true
   8    },
   9    "outputs": [],
  10    "source": [
  11     "pi5 = open('advent05.txt').read().strip()"
  12    ]
  13   },
  14   {
  15    "cell_type": "code",
  16    "execution_count": 2,
  17    "metadata": {
  18     "collapsed": true
  19    },
  20    "outputs": [],
  21    "source": [
  22     "def nice(str):\n",
  23     "    n1 = len(list(c for c in str if c in \"aeiou\")) >= 3\n",
  24     "    n2 = any(str[i-1] == str[i] for i in range(1, len(str)))\n",
  25     "    n3 = all(s not in str for s in ['ab', 'cd', 'pq', 'xy'])\n",
  26     "    return n1 and n2 and n3 "
  27    ]
  28   },
  29   {
  30    "cell_type": "code",
  31    "execution_count": 3,
  32    "metadata": {
  33     "collapsed": false
  34    },
  35    "outputs": [
  36     {
  37      "data": {
  38       "text/plain": [
  39        "False"
  40       ]
  41      },
  42      "execution_count": 3,
  43      "metadata": {},
  44      "output_type": "execute_result"
  45     }
  46    ],
  47    "source": [
  48     "nice('dvszwmarrgswjxmb')"
  49    ]
  50   },
  51   {
  52    "cell_type": "code",
  53    "execution_count": 4,
  54    "metadata": {
  55     "collapsed": false
  56    },
  57    "outputs": [
  58     {
  59      "data": {
  60       "text/plain": [
  61        "255"
  62       ]
  63      },
  64      "execution_count": 4,
  65      "metadata": {},
  66      "output_type": "execute_result"
  67     }
  68    ],
  69    "source": [
  70     "sum(1 if nice(str.strip()) else 0 for str in pi5.splitlines())"
  71    ]
  72   },
  73   {
  74    "cell_type": "code",
  75    "execution_count": 5,
  76    "metadata": {
  77     "collapsed": true
  78    },
  79    "outputs": [],
  80    "source": [
  81     "def nice2(st):\n",
  82     "    def n1(st):\n",
  83     "        for i in range(1, len(st)):\n",
  84     "            if st.find(st[i-1:i+1], i+1) > -1:\n",
  85     "                return True\n",
  86     "        return False\n",
  87     "    def n2(st):\n",
  88     "        return any(st[i-1] == st[i+1] for i in range(1, len(st)-1))\n",
  89     "    return n1(st) and n2(st)"
  90    ]
  91   },
  92   {
  93    "cell_type": "code",
  94    "execution_count": 6,
  95    "metadata": {
  96     "collapsed": false
  97    },
  98    "outputs": [
  99     {
 100      "data": {
 101       "text/plain": [
 102        "False"
 103       ]
 104      },
 105      "execution_count": 6,
 106      "metadata": {},
 107      "output_type": "execute_result"
 108     }
 109    ],
 110    "source": [
 111     "nice2('ieodomkazucvgmuy')"
 112    ]
 113   },
 114   {
 115    "cell_type": "code",
 116    "execution_count": 7,
 117    "metadata": {
 118     "collapsed": false
 119    },
 120    "outputs": [
 121     {
 122      "data": {
 123       "text/plain": [
 124        "['ac', 'bd', 'ce', 'df']"
 125       ]
 126      },
 127      "execution_count": 7,
 128      "metadata": {},
 129      "output_type": "execute_result"
 130     }
 131    ],
 132    "source": [
 133     "['abcdef'[i-1] + 'abcdef'[i+1] for i in range(1, len('abcdef')-1)]"
 134    ]
 135   },
 136   {
 137    "cell_type": "code",
 138    "execution_count": 8,
 139    "metadata": {
 140     "collapsed": false
 141    },
 142    "outputs": [
 143     {
 144      "data": {
 145       "text/plain": [
 146        "55"
 147       ]
 148      },
 149      "execution_count": 8,
 150      "metadata": {},
 151      "output_type": "execute_result"
 152     }
 153    ],
 154    "source": [
 155     "sum(1 if nice2(st.strip()) else 0 for st in pi5.splitlines())"
 156    ]
 157   },
 158   {
 159    "cell_type": "code",
 160    "execution_count": null,
 161    "metadata": {
 162     "collapsed": true
 163    },
 164    "outputs": [],
 165    "source": []
 166   }
 167  ],
 168  "metadata": {
 169   "kernelspec": {
 170    "display_name": "Python 3",
 171    "language": "python",
 172    "name": "python3"
 173   },
 174   "language_info": {
 175    "codemirror_mode": {
 176     "name": "ipython",
 177     "version": 3
 178    },
 179    "file_extension": ".py",
 180    "mimetype": "text/x-python",
 181    "name": "python",
 182    "nbconvert_exporter": "python",
 183    "pygments_lexer": "ipython3",
 184    "version": "3.4.3"
 185   }
 186  },
 187  "nbformat": 4,
 188  "nbformat_minor": 0
 189 }