diff --git a/MininaVD/docs2/data2/strategiesBfs_strategy.ipynb b/MininaVD/docs2/data2/strategiesBfs_strategy.ipynb new file mode 100644 index 0000000..82be5f6 --- /dev/null +++ b/MininaVD/docs2/data2/strategiesBfs_strategy.ipynb @@ -0,0 +1,75 @@ +{ + "cells": [ + { + "cell_type": "code", + "execution_count": null, + "id": "263fab53-6f76-4853-b167-a51b1198ddee", + "metadata": {}, + "outputs": [], + "source": [ + "from collections import deque\n", + "from typing import List, Dict, Optional\n", + "from strategiesPathfinding_strategy import PathFindingStrategy\n", + "from modelsMaze import Maze\n", + "from modelsCell import Cell\n", + "\n", + "class BFSStrategy(PathFindingStrategy):\n", + " \"\"\"Поиск в ширину - гарантирует кратчайший путь.\"\"\"\n", + " \n", + " @property\n", + " def name(self) -> str:\n", + " return \"BFS\"\n", + " \n", + " def find_path(self, maze: Maze, start: Cell, exit_cell: Cell) -> List[Cell]:\n", + " if start == exit_cell:\n", + " return [start]\n", + " \n", + " queue = deque([start])\n", + " came_from: Dict[Cell, Optional[Cell]] = {start: None}\n", + " visited_count = 0 # Для статистики\n", + " \n", + " while queue:\n", + " current = queue.popleft()\n", + " visited_count += 1\n", + " \n", + " if current == exit_cell:\n", + " # Сохраняем количество посещённых клеток для статистики\n", + " self._last_visited_count = visited_count\n", + " return self._reconstruct_path(came_from, start, current)\n", + " \n", + " for neighbor in maze.get_neighbors(current):\n", + " if neighbor not in came_from:\n", + " came_from[neighbor] = current\n", + " queue.append(neighbor)\n", + " \n", + " self._last_visited_count = visited_count\n", + " return []\n", + " \n", + " @property\n", + " def last_visited_count(self) -> int:\n", + " return getattr(self, '_last_visited_count', 0)" + ] + } + ], + "metadata": { + "kernelspec": { + "display_name": "Python [conda env:base] *", + "language": "python", + "name": "conda-base-py" + }, + "language_info": { + "codemirror_mode": { + "name": "ipython", + "version": 3 + }, + "file_extension": ".py", + "mimetype": "text/x-python", + "name": "python", + "nbconvert_exporter": "python", + "pygments_lexer": "ipython3", + "version": "3.13.9" + } + }, + "nbformat": 4, + "nbformat_minor": 5 +}