Python Jupyter Day 3

Python/day3/solution.ipynb

@@ -0,0 +1,123 @@
+{
+ "metadata": {
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.8.6-final"
+  },
+  "orig_nbformat": 2,
+  "kernelspec": {
+   "name": "python3",
+   "display_name": "Python 3.8.6 64-bit",
+   "metadata": {
+    "interpreter": {
+     "hash": "1ddf53fa84779e14f0db18342168679c9c165a81c5f324dac828befab228d68d"
+    }
+   }
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 2,
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": 1,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "# Get puzzle input from input file\n",
+    "\n",
+    "puzzle_input = open(\"input\").read()"
+   ]
+  },
+  {
+   "source": [
+    "# Part 1 #"
+   ],
+   "cell_type": "markdown",
+   "metadata": {}
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 2,
+   "metadata": {},
+   "outputs": [
+    {
+     "output_type": "stream",
+     "name": "stdout",
+     "text": [
+      "2572\n"
+     ]
+    }
+   ],
+   "source": [
+    "delivered = {(0,0)}\n",
+    "\n",
+    "x, y = 0, 0\n",
+    "ops = {\n",
+    "    \"^\": [+0, +1],\n",
+    "    \"v\": [-0, -1],\n",
+    "    \"<\": [-1, -0],\n",
+    "    \">\": [+1, +0]\n",
+    "}\n",
+    "for char in puzzle_input:\n",
+    "    dx, dy = ops[char]\n",
+    "    x += dx\n",
+    "    y += dy\n",
+    "    delivered.add((x, y))\n",
+    "print(len(delivered))"
+   ]
+  },
+  {
+   "source": [
+    "# Part 2 #"
+   ],
+   "cell_type": "markdown",
+   "metadata": {}
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 4,
+   "metadata": {},
+   "outputs": [
+    {
+     "output_type": "stream",
+     "name": "stdout",
+     "text": [
+      "2631\n"
+     ]
+    }
+   ],
+   "source": [
+    "delivered = {(0,0)}\n",
+    "\n",
+    "santa = (0, 0)\n",
+    "robo_santa = (0, 0)\n",
+    "ops = {\n",
+    "    \"^\": [+0, +1],\n",
+    "    \"v\": [-0, -1],\n",
+    "    \"<\": [-1, -0],\n",
+    "    \">\": [+1, +0]\n",
+    "}\n",
+    "robot = False\n",
+    "for char in puzzle_input:\n",
+    "    dx, dy = ops[char]\n",
+    "    if robot:\n",
+    "        robo_santa = (robo_santa[0]+dx, robo_santa[1]+dy)\n",
+    "        delivered.add(robo_santa)\n",
+    "    else:\n",
+    "        santa = (santa[0]+dx, santa[1]+dy)\n",
+    "        delivered.add(santa)\n",
+    "    robot = not robot\n",
+    "print(len(delivered))"
+   ]
+  }
+ ]
+}