{
 "cells": [
  {
   "cell_type": "markdown",
   "id": "298d175e-fe20-4d97-8d3c-5b77b045a33a",
   "metadata": {},
   "source": [
    "### Part 1"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 18,
   "id": "aed8a1d4-93f0-4bb8-9810-a20b1113ff1f",
   "metadata": {},
   "outputs": [],
   "source": [
    "def range_contains_range(range1, range2):\n",
    "  return range1.start in range2 and range1.stop in range2"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 29,
   "id": "2385899f-2a65-467e-8abf-2d7fa90aba84",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "532"
      ]
     },
     "execution_count": 29,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "with open(\"aoc4_input.txt\", \"r\") as f:\n",
    "    fully_contains_count = 0\n",
    "    for assignment_pair in f:\n",
    "        match list(map(lambda x: list(map(int, x.split(\"-\"))), assignment_pair.strip().split(\",\"))):\n",
    "            case [[fa1, fa2], [sa1, sa2]]:\n",
    "                r1, r2 = range(fa1, fa2), range(sa1, sa2)\n",
    "                c = int(range_contains_range(r1, range(sa1, sa2+1)) or range_contains_range(r2, range(fa1, fa2+1)))\n",
    "                fully_contains_count += c\n",
    "\n",
    "fully_contains_count"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "5886c69c-229a-45f6-b31e-556b55b1bbec",
   "metadata": {},
   "source": [
    "### Part 2"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 30,
   "id": "c567162f-8ef0-47c1-ba17-84bf667b3496",
   "metadata": {},
   "outputs": [],
   "source": [
    "def range_overlap_range(range1, range2):\n",
    "  return range1.start in range2 or range1.stop in range2"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 31,
   "id": "f3142767-65a1-4bf0-a64d-83ef53711e20",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "854"
      ]
     },
     "execution_count": 31,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "with open(\"aoc4_input.txt\", \"r\") as f:\n",
    "    overlapping_ranges_count = 0\n",
    "    for assignment_pair in f:\n",
    "        match list(map(lambda x: list(map(int, x.split(\"-\"))), assignment_pair.strip().split(\",\"))):\n",
    "            case [[fa1, fa2], [sa1, sa2]]:\n",
    "                r1, r2 = range(fa1, fa2), range(sa1, sa2)\n",
    "                c = int(range_overlap_range(r1, range(sa1, sa2+1)) or range_overlap_range(r2, range(fa1, fa2+1)))\n",
    "                overlapping_ranges_count += c\n",
    "\n",
    "overlapping_ranges_count"
   ]
  }
 ],
 "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"
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 },
 "nbformat": 4,
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}