X-Git-Url: https://git.njae.me.uk/?a=blobdiff_plain;f=adventofcode1702%2Fapp%2Fadvent02.ipynb;fp=adventofcode1702%2Fapp%2Fadvent02.ipynb;h=66a1ac908026510654c37193b4653becb4b43f6f;hb=bb4e947b1e698e036b6b5462b7c0d22d091014fd;hp=0000000000000000000000000000000000000000;hpb=1c73a76288c91ef6b410b2034bc324b60eb9a827;p=advent-of-code-17.git

diff --git a/adventofcode1702/app/advent02.ipynb b/adventofcode1702/app/advent02.ipynb
new file mode 100644
index 0000000..66a1ac9
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+++ b/adventofcode1702/app/advent02.ipynb
@@ -0,0 +1,325 @@
+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": 1,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "{-# LANGUAGE NegativeLiterals #-}\n",
+    "{-# LANGUAGE FlexibleContexts #-}"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 21,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "import Text.Parsec \n",
+    "import Text.ParserCombinators.Parsec.Number"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 22,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "sFile = sLine `sepEndBy` newline \n",
+    "sLine = int `sepBy` onlySpaces"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 23,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "onlySpaces = many (oneOf \" \\t\")"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 24,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "parseFile :: String -> Either ParseError [[Int]]\n",
+    "parseFile input = parse sFile \"(unknown)\" input\n",
+    "\n",
+    "parseLine :: String -> Either ParseError [Int]\n",
+    "parseLine input = parse sLine \"(unknown)\" input\n",
+    "\n",
+    "successfulParse :: Either ParseError [a] -> [a]\n",
+    "successfulParse (Left _) = []\n",
+    "successfulParse (Right a) = a"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 65,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "main :: IO ()\n",
+    "main = do \n",
+    "        text <- readFile \"../../data/advent02.txt\"\n",
+    "        let sheet = successfulParse $ parseFile text\n",
+    "--         print sheet\n",
+    "        print $ part1 sheet\n",
+    "        print $ part2 sheet"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 66,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "39126\n",
+       "258"
+      ]
+     },
+     "metadata": {},
+     "output_type": "display_data"
+    }
+   ],
+   "source": [
+    "main"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 27,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "Right [179,2358,5197,867,163,4418,3135,5049,187,166,4682,5080,5541,172,4294,1397]"
+      ]
+     },
+     "metadata": {},
+     "output_type": "display_data"
+    }
+   ],
+   "source": [
+    "parseLine \"179 2358    5197    867 163 4418    3135    5049    187 166 4682    5080    5541    172 4294    1397\""
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 28,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "Right [[1,2],[8,9]]"
+      ]
+     },
+     "metadata": {},
+     "output_type": "display_data"
+    }
+   ],
+   "source": [
+    "parseFile \"1 2\\n8 9\""
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 32,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "[[1,2],[8,9]]"
+      ]
+     },
+     "metadata": {},
+     "output_type": "display_data"
+    }
+   ],
+   "source": [
+    "successfulParse $ parseFile \"1 2\\n8 9\""
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 37,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "cSum :: [Int] -> Int\n",
+    "cSum row = (maximum row) - (minimum row)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 42,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "check :: [[Int]] -> Int\n",
+    "check = sum . (map cSum)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 43,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "2"
+      ]
+     },
+     "metadata": {},
+     "output_type": "display_data"
+    }
+   ],
+   "source": [
+    "check $ successfulParse $ parseFile \"1 2\\n8 9\""
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 45,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "part1 = check"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 54,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "[(2,1),(3,1),(4,1),(4,2)]"
+      ]
+     },
+     "metadata": {},
+     "output_type": "display_data"
+    }
+   ],
+   "source": [
+    "digits = [1,2,3,4]\n",
+    "[(a, b) | a <- digits, b <- digits, a /= b, a `mod` b == 0]"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 51,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "[(1,1),(2,2),(3,3),(4,4)]"
+      ]
+     },
+     "metadata": {},
+     "output_type": "display_data"
+    }
+   ],
+   "source": [
+    "zip digits digits"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": []
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 55,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "[179,2358,5197,867,163,4418,3135,5049,187,166,4682,5080,5541,172,4294,1397]"
+      ]
+     },
+     "metadata": {},
+     "output_type": "display_data"
+    }
+   ],
+   "source": [
+    "Right digits = parseLine \"179 2358    5197    867 163 4418    3135    5049    187 166 4682    5080    5541    172 4294    1397\"\n",
+    "digits"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 60,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "27"
+      ]
+     },
+     "metadata": {},
+     "output_type": "display_data"
+    }
+   ],
+   "source": [
+    "sum [a `div` b | a <- digits, b <- digits, a /= b, a `mod` b == 0]"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 61,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "p2cSum digits = sum [a `div` b | a <- digits, b <- digits, a /= b, a `mod` b == 0]"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 64,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "part2 = sum . map p2cSum"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": []
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Haskell",
+   "language": "haskell",
+   "name": "haskell"
+  },
+  "language_info": {
+   "codemirror_mode": "ihaskell",
+   "file_extension": ".hs",
+   "name": "haskell",
+   "version": "8.0.2"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 2
+}