{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "3a6bb811-80ad-4ef5-95b6-0b7cffc6545e",
   "metadata": {},
   "outputs": [],
   "source": [
    "from dataclasses import dataclass\n",
    "from typing import Optional\n",
    "\n",
    "@dataclass\n",
    "class Cell:\n",
    "    \"\"\"Клетка лабиринта.\"\"\"\n",
    "    x: int\n",
    "    y: int\n",
    "    is_wall: bool = False\n",
    "    is_start: bool = False\n",
    "    is_exit: bool = False\n",
    "    weight: int = 1  # Для взвешенных лабиринтов (доп. задание)\n",
    "    \n",
    "    def is_passable(self) -> bool:\n",
    "        \"\"\"Проходима ли клетка.\"\"\"\n",
    "        return not self.is_wall\n",
    "    \n",
    "    def __hash__(self) -> int:\n",
    "        return hash((self.x, self.y))\n",
    "    \n",
    "    def __eq__(self, other) -> bool:\n",
    "        if not isinstance(other, Cell):\n",
    "            return False\n",
    "        return self.x == other.x and self.y == other.y"
   ]
  }
 ],
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   "name": "conda-base-py"
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  "language_info": {
   "codemirror_mode": {
    "name": "ipython",
    "version": 3
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   "pygments_lexer": "ipython3",
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