src/advent01/advent01.ipynb

   1 {
   2  "cells": [
   3   {
   4    "cell_type": "code",
   5    "execution_count": 1,
   6    "metadata": {},
   7    "outputs": [
   8     {
   9      "data": {
  10       "text/plain": [
  11        "[-16, 12, -18, -1, 5]"
  12       ]
  13      },
  14      "execution_count": 1,
  15      "metadata": {},
  16      "output_type": "execute_result"
  17     }
  18    ],
  19    "source": [
  20     "changes = [int(l.strip()) for l in open('../../data/advent01.txt')]\n",
  21     "changes[:5]"
  22    ]
  23   },
  24   {
  25    "cell_type": "code",
  26    "execution_count": 2,
  27    "metadata": {},
  28    "outputs": [
  29     {
  30      "data": {
  31       "text/plain": [
  32        "472"
  33       ]
  34      },
  35      "execution_count": 2,
  36      "metadata": {},
  37      "output_type": "execute_result"
  38     }
  39    ],
  40    "source": [
  41     "sum(changes)"
  42    ]
  43   },
  44   {
  45    "cell_type": "code",
  46    "execution_count": 5,
  47    "metadata": {},
  48    "outputs": [
  49     {
  50      "data": {
  51       "text/plain": [
  52        "66932"
  53       ]
  54      },
  55      "execution_count": 5,
  56      "metadata": {},
  57      "output_type": "execute_result"
  58     }
  59    ],
  60    "source": [
  61     "frequencies = set()\n",
  62     "i = 0\n",
  63     "current_frequency = 0\n",
  64     "\n",
  65     "while current_frequency not in frequencies:\n",
  66     "    frequencies.add(current_frequency)\n",
  67     "    current_frequency += changes[i]\n",
  68     "    i += 1\n",
  69     "    i %= len(changes)\n",
  70     "    \n",
  71     "current_frequency    "
  72    ]
  73   },
  74   {
  75    "cell_type": "code",
  76    "execution_count": null,
  77    "metadata": {},
  78    "outputs": [],
  79    "source": []
  80   }
  81  ],
  82  "metadata": {
  83   "kernelspec": {
  84    "display_name": "Python 3",
  85    "language": "python",
  86    "name": "python3"
  87   },
  88   "language_info": {
  89    "codemirror_mode": {
  90     "name": "ipython",
  91     "version": 3
  92    },
  93    "file_extension": ".py",
  94    "mimetype": "text/x-python",
  95    "name": "python",
  96    "nbconvert_exporter": "python",
  97    "pygments_lexer": "ipython3",
  98    "version": "3.6.7"
  99   }
 100  },
 101  "nbformat": 4,
 102  "nbformat_minor": 2
 103 }