X-Git-Url: https://git.njae.me.uk/?p=advent-of-code-15.git;a=blobdiff_plain;f=advent23.ipynb;fp=advent23.ipynb;h=371f02e762a299c148f62fe6f9a1a86b5d2c8ac9;hp=0000000000000000000000000000000000000000;hb=8e419e5f33129fae84965a39e6f3f4338e15f6d9;hpb=2b7dc1356209b2a6c81145be47e20aa1480ad080

diff --git a/advent23.ipynb b/advent23.ipynb
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--- /dev/null
+++ b/advent23.ipynb
@@ -0,0 +1,230 @@
+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": 13,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "[['jio', 'a, +18'],\n",
+       " ['inc', 'a'],\n",
+       " ['tpl', 'a'],\n",
+       " ['inc', 'a'],\n",
+       " ['tpl', 'a'],\n",
+       " ['tpl', 'a'],\n",
+       " ['tpl', 'a'],\n",
+       " ['inc', 'a'],\n",
+       " ['tpl', 'a'],\n",
+       " ['inc', 'a'],\n",
+       " ['tpl', 'a'],\n",
+       " ['inc', 'a'],\n",
+       " ['inc', 'a'],\n",
+       " ['tpl', 'a'],\n",
+       " ['tpl', 'a'],\n",
+       " ['tpl', 'a'],\n",
+       " ['inc', 'a'],\n",
+       " ['jmp', '+22'],\n",
+       " ['tpl', 'a'],\n",
+       " ['inc', 'a'],\n",
+       " ['tpl', 'a'],\n",
+       " ['inc', 'a'],\n",
+       " ['inc', 'a'],\n",
+       " ['tpl', 'a'],\n",
+       " ['inc', 'a'],\n",
+       " ['tpl', 'a'],\n",
+       " ['inc', 'a'],\n",
+       " ['inc', 'a'],\n",
+       " ['tpl', 'a'],\n",
+       " ['tpl', 'a'],\n",
+       " ['inc', 'a'],\n",
+       " ['inc', 'a'],\n",
+       " ['tpl', 'a'],\n",
+       " ['inc', 'a'],\n",
+       " ['inc', 'a'],\n",
+       " ['tpl', 'a'],\n",
+       " ['inc', 'a'],\n",
+       " ['inc', 'a'],\n",
+       " ['tpl', 'a'],\n",
+       " ['jio', 'a, +8'],\n",
+       " ['inc', 'b'],\n",
+       " ['jie', 'a, +4'],\n",
+       " ['tpl', 'a'],\n",
+       " ['inc', 'a'],\n",
+       " ['jmp', '+2'],\n",
+       " ['hlf', 'a'],\n",
+       " ['jmp', '-7']]"
+      ]
+     },
+     "execution_count": 13,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "program = [i.strip().split(' ', 1) for i in open('advent23.txt').readlines()]\n",
+    "program"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 3,
+   "metadata": {
+    "collapsed": true
+   },
+   "outputs": [],
+   "source": [
+    "registers = {'a': 0, 'b': 0, 'pc': 0}"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 24,
+   "metadata": {
+    "collapsed": true
+   },
+   "outputs": [],
+   "source": [
+    "def hlf(args):\n",
+    "    registers[args] >>= 1\n",
+    "    registers['pc'] += 1\n",
+    "    \n",
+    "def tpl(args):\n",
+    "    registers[args] *= 3\n",
+    "    registers['pc'] += 1\n",
+    "\n",
+    "def inc(args):\n",
+    "    registers[args] += 1\n",
+    "    registers['pc'] += 1\n",
+    "\n",
+    "def jmp(args):\n",
+    "    registers['pc'] += int(args)\n",
+    "\n",
+    "def jie(args):\n",
+    "    r, o = args.split(', ')\n",
+    "    if registers[r] % 2 == 0:\n",
+    "        registers['pc'] += int(o)\n",
+    "    else:\n",
+    "        registers['pc'] += 1\n",
+    "\n",
+    "def jio(args):\n",
+    "    r, o = args.split(', ')\n",
+    "    if registers[r] == 1:\n",
+    "        registers['pc'] += int(o)\n",
+    "    else:\n",
+    "        registers['pc'] += 1\n"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 25,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [],
+   "source": [
+    "instructions = {'hlf': hlf, 'tpl': tpl, 'inc': inc, 'jmp': jmp, 'jie': jie, 'jio': jio}"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 26,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [],
+   "source": [
+    "while registers['pc'] < len(program):\n",
+    "    instructions[program[registers['pc']][0]](program[registers['pc']][1])\n",
+    "registers"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 27,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "{'a': 1, 'b': 307, 'pc': 47}"
+      ]
+     },
+     "execution_count": 27,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "registers"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# Part 2"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 28,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "{'a': 1, 'b': 160, 'pc': 47}"
+      ]
+     },
+     "execution_count": 28,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "registers = {'a': 1, 'b': 0, 'pc': 0}\n",
+    "while registers['pc'] < len(program):\n",
+    "    instructions[program[registers['pc']][0]](program[registers['pc']][1])\n",
+    "registers"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {
+    "collapsed": true
+   },
+   "outputs": [],
+   "source": []
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3",
+   "language": "python",
+   "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.4.3"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 0
+}