Not everything done

aoc5.ipynb

@@ -0,0 +1,133 @@
+{
+ "cells": [
+  {
+   "cell_type": "markdown",
+   "id": "a19b0da1-9ac5-4d7f-9957-6268d3536564",
+   "metadata": {},
+   "source": [
+    "### Part 1"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 36,
+   "id": "dc5032e6-5ad2-4b32-8a58-29679cfba227",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "def split_def_in_sectors(line):\n",
+    "    for i in range(0, len(line), 4):\n",
+    "        yield line[i:i+3].strip()"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 60,
+   "id": "cdccaa3e-0aaf-4e0a-8171-179f90c65bb6",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "'VQZNJMWTR'"
+      ]
+     },
+     "execution_count": 60,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "with open(\"aoc5_input.txt\", \"r\") as f:\n",
+    "    line = next(f).rstrip(\"\\n\")\n",
+    "    stacks = [[] for _ in range((len(line) + 1) // 4)]\n",
+    "    while \"[\" in line:\n",
+    "        for i, e in enumerate(split_def_in_sectors(line)):\n",
+    "            if e:\n",
+    "                stacks[i].append(e[1])\n",
+    "        line = next(f).rstrip(\"\\n\")\n",
+    "    next(f)\n",
+    "    for stack in stacks:\n",
+    "        stack.reverse()\n",
+    "    for cmd in f:\n",
+    "        match cmd.split():\n",
+    "            case [\"move\", amount, \"from\", pos, \"to\", newpos]:\n",
+    "                amount, pos, newpos = int(amount), int(pos)-1, int(newpos)-1\n",
+    "                stack_left, stack_right = stacks[pos][:-amount], reversed(stacks[pos][-amount:])\n",
+    "                stacks[pos] = stack_left\n",
+    "                stacks[newpos] += stack_right\n",
+    "\n",
+    "\"\".join(stack[-1] for stack in stacks)"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "b9df4a1d-f7ec-406c-870d-e5a7269ccf0c",
+   "metadata": {},
+   "source": [
+    "### Part 2"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 61,
+   "id": "55ade032-7a23-4e6e-a984-71f0e452b224",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "'NLCDCLVMQ'"
+      ]
+     },
+     "execution_count": 61,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "with open(\"aoc5_input.txt\", \"r\") as f:\n",
+    "    line = next(f).rstrip(\"\\n\")\n",
+    "    stacks = [[] for _ in range((len(line) + 1) // 4)]\n",
+    "    while \"[\" in line:\n",
+    "        for i, e in enumerate(split_def_in_sectors(line)):\n",
+    "            if e:\n",
+    "                stacks[i].append(e[1])\n",
+    "        line = next(f).rstrip(\"\\n\")\n",
+    "    next(f)\n",
+    "    for stack in stacks:\n",
+    "        stack.reverse()\n",
+    "    for cmd in f:\n",
+    "        match cmd.split():\n",
+    "            case [\"move\", amount, \"from\", pos, \"to\", newpos]:\n",
+    "                amount, pos, newpos = int(amount), int(pos)-1, int(newpos)-1\n",
+    "                stack_left, stack_right = stacks[pos][:-amount], stacks[pos][-amount:]\n",
+    "                stacks[pos] = stack_left\n",
+    "                stacks[newpos] += stack_right\n",
+    "\n",
+    "\"\".join(stack[-1] for stack in stacks)"
+   ]
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3 (ipykernel)",
+   "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": "3.10.7"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 5
+}