diff --git a/SolovevDS/docs/data/data_for_task2/diagrams.py b/SolovevDS/docs/data/data_for_task2/diagrams.py
new file mode 100644
index 0000000..7ff2bde
--- /dev/null
+++ b/SolovevDS/docs/data/data_for_task2/diagrams.py
@@ -0,0 +1,76 @@
+import pandas as pd
+import matplotlib.pyplot as plt
+import numpy as np
+
+df = pd.read_csv("results.csv")
+
+maze_order = ["small_10", "medium_50", "large_100", "empty", "no_path"]
+strategy_order = ["BFS", "DFS", "AStar"]
+
+maze_labels = {
+ "small_10": "10×10",
+ "medium_50": "50×50",
+ "large_100": "100×100",
+ "empty": "Пустой",
+ "no_path": "Без выхода"
+}
+
+df["maze"] = pd.Categorical(df["maze"], categories=maze_order, ordered=True)
+df["strategy"] = pd.Categorical(df["strategy"], categories=strategy_order, ordered=True)
+df = df.sort_values(["maze", "strategy"])
+
+
+def plot_grouped_bar(df, value_col, ylabel, title, filename):
+ mazes = maze_order
+ strategies = strategy_order
+
+ x = np.arange(len(mazes))
+ width = 0.25
+
+ plt.figure(figsize=(11, 6))
+
+ for i, strategy in enumerate(strategies):
+ values = []
+
+ for maze in mazes:
+ row = df[(df["maze"] == maze) & (df["strategy"] == strategy)]
+ values.append(row[value_col].values[0])
+
+ plt.bar(x + (i - 1) * width, values, width, label=strategy)
+
+ plt.xlabel("Лабиринт")
+ plt.ylabel(ylabel)
+ plt.title(title)
+
+ plt.xticks(x, [maze_labels[m] for m in mazes], rotation=20)
+ plt.legend(title="Стратегия")
+ plt.grid(axis="y", alpha=0.3)
+
+ plt.tight_layout()
+ plt.savefig(filename, format="svg")
+ plt.show()
+
+
+plot_grouped_bar(
+ df,
+ value_col="time_ms",
+ ylabel="Время, мс",
+ title="Сравнение времени выполнения BFS, DFS и A*",
+ filename="time_comparison.svg"
+)
+
+plot_grouped_bar(
+ df,
+ value_col="cells_visited",
+ ylabel="Количество посещённых клеток",
+ title="Сравнение количества посещённых клеток",
+ filename="visited_cells_comparison.svg"
+)
+
+plot_grouped_bar(
+ df,
+ value_col="way_len",
+ ylabel="Длина пути, клеток",
+ title="Сравнение длины найденного пути",
+ filename="path_length_comparison.svg"
+)
\ No newline at end of file
diff --git a/SolovevDS/docs/data/data_for_task2/maze10.txt b/SolovevDS/docs/data/data_for_task2/maze10.txt
new file mode 100644
index 0000000..8ffe41a
--- /dev/null
+++ b/SolovevDS/docs/data/data_for_task2/maze10.txt
@@ -0,0 +1,10 @@
+##########
+#S ###
+###### ###
+# ###
+# #### ###
+# # ###
+# # ######
+# # #
+# ######E#
+##########
diff --git a/SolovevDS/docs/data/data_for_task2/maze100.txt b/SolovevDS/docs/data/data_for_task2/maze100.txt
new file mode 100644
index 0000000..2bd6ce0
--- /dev/null
+++ b/SolovevDS/docs/data/data_for_task2/maze100.txt
@@ -0,0 +1,100 @@
+####################################################################################################
+#S # # # # # # # # # ##
+## ############### # ## ## ###### # ### ### ### ########### ### # ## # ####### # ### # # # ##
+# # # # # # # # # # # # # # # # # # # ##
+# ### # ##### # #### ##### ######### # ##### # ##### # ### ##### ### # # ### # ####### ##### # ##
+# # # # # # # # # # # # # # # # # # # # # # # # # ##
+# ##### ### ##### ##### # # ### # ##### # ##### # ####### ######### ##### # # # # ### ### # # ##
+# # # # # # # # # # # # # # # # # # # # # # # # # ##
+# # # ### # # # ### # ##### ### ### # # ##### # # # ### # # ##### ### ##### ### ########### ### ##
+# # # # # # # # # # # # # # # # # # # # # # # # # ##
+# # ### ########### # # ### # ### # # ### # ### # ##### # ####### #### ## # ### ######### ####### ##
+# # # # # # # # # # # # # # # # # # ##
+# ####### ### # # # ### # ### ################# ############# # ### ## ### ## # ### ### # # # # ####
+# # # # # # # # # # # # # # # # # # # # # # ##
+####### ### ### ##### ### # # ########### # ####### ### # ### # ##### # # ##### ### # ### ##### ##
+# # # # # # # # # # # # # # # # # # # # # # # # # ##
+# ### # # ### ####### # # ##### ### # ### ### # ### # # # # ##### # # ########### # ##### # # ######
+# # # # # # # # # # # # # # # # # # # # # # # # # # ##
+# # ##### #### # # # # # # ## ## # # ### ##### ### # ####### ### ####### # # # # ### # # ##### ##
+# # # # # # # # # # # # # # # # # # # # # # # # # ##
+# # ## # # # ### ####### # # # ##### # # ## # # # ######### ### ####### # ### ### # # # ### # # ##
+# # # # # # # # # # # # # # # # # # # # # # # # # # # # # ##
+# ##### ### # # ##### # ### ##### # ### ### ### ##### # # # ### ###### ##### # # # # ##### ### # ##
+# # # # # # # # # # # # # # # # # # # # # ##
+# ##### # ######### # ######### ### # ## #### ### ############### # ########### ######### ## # # ##
+# # # # # # # # # # # # # # # # ##
+# ####### # # ##### ### # #### # ### # ### # # # ############# # # # # # # # ####### ### # # ### ##
+# # # # # # # # # # # # # # # # # # # # # # # # # ##
+####### ### ### # # ##### # # ### # # ### ##### ########### # ### ####### ####### # # ### # # # ##
+# # # # # # # # # # # # # # # # # # # # # ##
+# ### ## ##### ###### ## # ##### ### ### ##### ### ############# # ### # ##### ####### ### ##### ##
+# # # # # # # # # # # # # # # # # # # # # ##
+# # ### ## ###### # # # #### ### ### # # # ####### # ##### # ### # ####### ### ### ### ### ######
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+# # # # # ##### # # ### # ### # # ### # ### # # # ### ### ############# # ### # ######### # ### ##
+# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # ##
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+# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # ##
+### ##### ### ### # # # ### # ### # # ### # ### # # # # ### ### # # # ### ####### ## ## ### ##
+# # # # # # # # # # # # # # # # # # # # # # # # # # # ##
+# # # # ## ### # ##### # # ### # # ##### # ### ### # # ### ### ##### ### # ##### ## ### ####### ##
+# # # # # # # # # # # # # # # # # # # # # # # # # ##
+# ####### ### ### # ####### ####### # # ### # # ####### ### ### # # # ##### ##### ### ### # # ####
+# # # # # # # # # # # # # # # # # # # # # ##
+# # ####### ####### ### # ### ### # # # ##### ########## # # # ####### # # ######### # # ### # # ##
+# # # # # # # # # # # # # # # # # # # # # # # # # # ##
+# # # # # ##### # ### ##### ### ##### # ##### ### # # # ### # ### # ### # # #### ## ### ### # # # ##
+# # # # # # # # # # # # # # # # # # # # # # # # # # # ##
+# # # ##### ### ####### ##### ### # ### ## ### # # # ####### # # # # # ##### ##### # ### # ##### ##
+# # # # # # # # # # # # # # # # # # # # # # # # # # # # # ##
+##### # # ### ### # # # ##### # # # ### # # # # ##### ### # ### # # # # ##### # ### # ### # # # ##
+# # # # # # # # # # # # # # # # # # # # # # # # # # # # ##
+# # ### # # ##### # ############ # ##### # #### ## # ##### # # ######### # ####### ## # # # # # ##
+# # # # # # # # # # # # # # # # # # # ##
+# ##### # ##### # ### ### # # ##### # ############### # # ### ######### # ### # ##### ### # ##### ##
+# # # # # # # # # # # # # # # # # # # # # # # # # ##
+# # # # ### # # # # ## ### ##### # ### ## ######## ### ########## # # ### # # ####### ### ##### ##
+# # # # # # # # # # # # # # # # # # # ##
+# ### # # # ### ##### ##### # # # ############### ######### ### # # ################ # # ### ######
+# # # # # # # # # # # # # # # # # # # ##
+# # # ### ### ######### # # # ####### ### #### # ### ##### ######### # # # ##### # ##### # ########
+# # # # # # # # # # # # # # # # # # # # # # # # # # ##
+### # # # ##### # # # # # # # ### # # ### # ### # ## # ## # ####### ######### ##### # # # ### ##
+# # # # # # # # # # # # # # # # # # # # # # # ##
+# ##### ##### # # ### ### ### # ##### # # # ### # ############ ## ######### ### # ### ### # # # # ##
+# # # # # # # # # # # # # # # # # # # # # # # # ##
+# # ##### # # ##### # ### # #### ### # ######### ### # # ##### # ### ### # ### ### #### ## # ##
+# # # # # # # # # # # # # # # # # # # # # # # # ##
+# ##### ### #### # # ########### ### # # # # # # # ### # # # # # # ### # ### ##### ### # ### # # ##
+# # # # # # # # # # # # # # # # # # # # # # # # # ##
+# # # # # ### # ### # # ####### #### ######### ####### ### ####### # # ####### ### ### # ##### ##
+# # # # # # # # # # # # # # # # # # # # # # # ##
+# # ##### ##### # ####### ### ################# # # ### # # ### # # ### # # ### # ######### ##### ##
+# # # # # # # # # # # # # # # # # # # # # # # # ##
+### # ### # # ##### # # # # ### ### # ##### ####### ### ### # # ### ####### ####### ### ##########
+# # # # # # # # # # # # # # # # # # # # # ##
+# ######### # ##### ### ############# # ####### ##### ### ### # # ### # ### ##### # # ### ### # ##
+# # # # # # # # # # # # # # # # # # # # # ##
+# # # # # # ##### ##### # ######### # ### ### ### # ####### # # ### # ####### ##### ### # ### ##
+# # # # # # # # # # # # # # # # # # # # ##
+# ### # # # ##### # ###### #### # ##### # ### # # ### ######### ### ####### # ### ### ### ####### ##
+# # # # # # # # # # # # # # # # # # # # # # # ##
+# # ########### ### # ##### # # # # # ### # ### ### ### ##### ### ##### # ####### # ###### # # ####
+# # # # # # # # # # # # # # # # # # # # # # # ##
+# # # ###### # ### # # ########### ## ### ##### # # # # # # # # # ########### ### ######### ### ##
+# # # # # # # # # # # # # # # # # # # # # # # # # # # ##
+# ### ### # ### # ### # # ### # # ### # ### # ### # ##### # # # # ### # # ###### # ### # # ### # ##
+# # # # # # # # # # # # # # # # # # # # # # # # # # # ##
+### # # ##### ##### ### # # ####### ##### # # # ########### ######### ### # # ### ##### # # # # ##
+# # # # # # # # E##
+####################################################################################################
+####################################################################################################
diff --git a/SolovevDS/docs/data/data_for_task2/maze50.txt b/SolovevDS/docs/data/data_for_task2/maze50.txt
new file mode 100644
index 0000000..b574296
--- /dev/null
+++ b/SolovevDS/docs/data/data_for_task2/maze50.txt
@@ -0,0 +1,50 @@
+##################################################
+#S # # # # # ##
+##### ##### ### ######### ### ### # ### # ### # ##
+# # # # # # # # # # # # ##
+### ######### ############# ### # # # ##### ### ##
+# # # # # # # # # # ##
+# ########### # ### # # ##### # ##### # ### # ##
+# # # # # # # # # # # ##
+### # # ### ### # ### # ######### # ####### ### ##
+# # # # # # # # # # ##
+# ##### # ### ##### # ##### ##### ########### ####
+# # # # # # # # # # ##
+##### # ### ##### # ########### ##### ##### ### ##
+# # # # # # # # # # ##
+# ####### # ####### # ####### ### # ### # ### # ##
+# # # # # # # # # # # # ##
+# # # # ################### # # ### # # # ### # ##
+# # # # # # # # # # # # # ##
+### # ### ### # # ########### ### # # # ### ### ##
+# # # # # # # # # # # # # # ##
+# ##### ### ######### ##### ### # ### # # ### # ##
+# # # # # # # # # # # # # ##
+# # # ####### ### ### # ### # # ### # # # # # ####
+# # # # # # # # # # # # # # ##
+# # ########### ####### # ### # # ######### ### ##
+# # # # # # # # ##
+# ### ####### # ##### ##### # ####### ### ### ####
+# # # # # # # # # # # # ##
+# ######### ####### # # # # ### # ####### # ### ##
+# # # # # # # # # # # # ##
+### # ### ##### ####### # # # # ### # # ####### ##
+# # # # # # # # # # # # # # ##
+# # # # ### # ####### # # # ##### # # ### ### # ##
+# # # # # # # # # # # # # # # # ##
+# # # ######### # # # ### ### ### ### # ### # # ##
+# # # # # # # # # # # # # ##
+# ### # ####### # ######### # ####### ### # ### ##
+# # # # # # # # # # # # # ##
+# ##### # # # ##### # # ####### ### # # ### # ####
+# # # # # # # # # # # # # # ##
+##### ### # # # ##### ########### # # # # # ### ##
+# # # # # # # # # # # ##
+# ############# # ### ##### ##### # ### # ##### ##
+# # # # # # # # # # # ##
+# # ####### ### # # ### # ### ### ### # ##### # ##
+# # # # # # # # # # # # # ##
+# ##### ##### ### # # ##### ### ### ##### ##### ##
+# # # # # # E##
+##################################################
+##################################################
diff --git a/SolovevDS/docs/data/data_for_task2/maze_empty.txt b/SolovevDS/docs/data/data_for_task2/maze_empty.txt
new file mode 100644
index 0000000..a92cf1d
--- /dev/null
+++ b/SolovevDS/docs/data/data_for_task2/maze_empty.txt
@@ -0,0 +1,50 @@
+S
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ E
diff --git a/SolovevDS/docs/data/data_for_task2/maze_no_path.txt b/SolovevDS/docs/data/data_for_task2/maze_no_path.txt
new file mode 100644
index 0000000..03906b4
--- /dev/null
+++ b/SolovevDS/docs/data/data_for_task2/maze_no_path.txt
@@ -0,0 +1,10 @@
+##########
+#S #
+# ###### #
+# # # #
+# # ## # #
+# # ## # #
+# # # #
+# ########
+# #E#
+##########
diff --git a/SolovevDS/docs/data/data_for_task2/path_length_comparison.svg b/SolovevDS/docs/data/data_for_task2/path_length_comparison.svg
new file mode 100644
index 0000000..f3af08a
--- /dev/null
+++ b/SolovevDS/docs/data/data_for_task2/path_length_comparison.svg
@@ -0,0 +1,1536 @@
+
+
+
diff --git a/SolovevDS/docs/data/data_for_task2/results.csv b/SolovevDS/docs/data/data_for_task2/results.csv
new file mode 100644
index 0000000..8bc14f3
--- /dev/null
+++ b/SolovevDS/docs/data/data_for_task2/results.csv
@@ -0,0 +1,16 @@
+maze,strategy,time_ms,cells_visited,way_len
+small_10,BFS,0.00724,31.00000,21.00000
+small_10,DFS,0.00360,31.00000,21.00000
+small_10,AStar,0.00519,24.00000,21.00000
+medium_50,BFS,0.04465,505.00000,145.00000
+medium_50,DFS,0.03666,385.00000,361.00000
+medium_50,AStar,0.05370,319.00000,145.00000
+large_100,BFS,0.44010,4534.00000,245.00000
+large_100,DFS,0.09760,816.00000,703.00000
+large_100,AStar,0.37331,1298.00000,245.00000
+empty,BFS,0.15303,2500.00000,99.00000
+empty,DFS,0.09335,1275.00000,1275.00000
+empty,AStar,0.17047,341.00000,99.00000
+no_path,BFS,0.00259,25.00000,0.00000
+no_path,DFS,0.00244,25.00000,0.00000
+no_path,AStar,0.00494,25.00000,0.00000
diff --git a/SolovevDS/docs/data/data_for_task2/task2.cpp b/SolovevDS/docs/data/data_for_task2/task2.cpp
new file mode 100644
index 0000000..07f957c
--- /dev/null
+++ b/SolovevDS/docs/data/data_for_task2/task2.cpp
@@ -0,0 +1,934 @@
+#include
+#include
+#include
+#include /*для ошибок*/
+#include
+#include /*мерит время*/
+#include /*волшебная отрисовка*/
+#include
+#include
+#include
+
+class cell{
+ private:
+ int x, y;
+ bool isWall;
+ bool isExit;
+ bool isStart;
+
+ public:
+ cell() {x=0; y=0; isWall=false; isExit=false; isStart = false;}
+ cell(int x, int y, bool isWall, bool isExit, bool isStart)
+ {
+ this->x = x;
+ this->y = y;
+ this->isWall = isWall;
+ this->isExit = isExit;
+ this->isStart = isStart;
+ }
+
+ bool isPassable() {return !isWall;}
+
+ void setStart(bool value) {isStart = value;}
+ void setExit(bool value) {isExit = value;}
+ void setX(int x) {this->x = x;}
+ void setY(int y) {this->y = y;}
+ void setIsWall(bool isWall) {this->isWall = isWall;}
+
+
+ int getX() {return x;}
+ int getY() {return y;}
+ bool getIsWall() {return isWall;}
+ bool getIsExit() {return isExit;}
+ bool getIsStart() {return isStart;}
+
+};
+
+class maze{
+ private:
+ int width;
+ int height;
+ cell** matrix;
+
+ cell* start;
+ cell* exit;
+
+ public:
+ maze(int width, int height)
+ {
+ this->width = width;
+ this->height = height;
+ this->start = nullptr;
+ this->exit = nullptr;
+
+ matrix = new cell*[width];
+
+ for (int x = 0; x < width; ++x) {
+ matrix[x] = new cell[height];
+ for (int y = 0; y < height; ++y)
+ matrix[x][y] = cell(x, y, false, false, false);
+ }
+ }
+ maze(int width, int height, int startX, int startY, int exitX, int exitY)
+ {
+ this->width = width;
+ this->height = height;
+ this->start = nullptr;
+ this->exit = nullptr;
+
+ matrix = new cell*[width];
+ for (int x = 0; x < width; ++x) {
+ matrix[x] = new cell[height];
+ for (int y = 0; y < height; ++y) {
+ matrix[x][y] = cell(x, y, false, false, false);
+ }
+ }
+
+
+ matrix[startX][startY].setStart(true);
+ matrix[exitX][exitY].setExit(true);
+
+ start = &matrix[startX][startY];
+ exit = &matrix[exitX][exitY];
+ }
+
+ ~maze()
+ {
+ for (int i = 0; i < width; ++i)
+ delete[] matrix[i];
+ delete[] matrix;
+ }
+
+ cell* getCell(int x, int y) {
+ if (x < 0 || x >= width || y < 0 || y >= height)
+ return nullptr;
+
+ return &matrix[x][y];
+ }
+ void setCell(int x, int y, cell newCell) {
+ if (x < 0 || x >= width || y < 0 || y >= height)
+ return;
+
+ matrix[x][y] = newCell;
+
+ if (matrix[x][y].getIsStart())
+ start = &matrix[x][y];
+
+ if (matrix[x][y].getIsExit())
+ exit = &matrix[x][y];
+ }
+
+ cell** getNeighbors(cell* current) { /*ДЕЛАТЬ delete[] neighbors; !!!!!!!!!!!!!!!*/
+ cell** neighbors = new cell*[5];
+ int count = 0;
+
+ int x = current->getX();
+ int y = current->getY();
+
+ cell* up = getCell(x, y - 1);
+ cell* down = getCell(x, y + 1);
+ cell* left = getCell(x - 1, y);
+ cell* right = getCell(x + 1, y);
+
+ if (up != nullptr && up->isPassable()) {
+ neighbors[count] = up;
+ count++;}
+
+ if (down != nullptr && down->isPassable()) {
+ neighbors[count] = down;
+ count++;}
+
+ if (left != nullptr && left->isPassable()) {
+ neighbors[count] = left;
+ count++;}
+
+ if (right != nullptr && right->isPassable()) {
+ neighbors[count] = right;
+ count++;}
+
+ neighbors[count] = nullptr;
+
+ return neighbors;
+ }
+
+ cell* getStart() {return start;}
+ cell* getExit() {return exit;}
+ int getWidth() {return width;}
+ int getHeight() {return height;}
+};
+
+class MazeBuilder {
+ public:
+ virtual maze* buildFromFile(const std::string& filename) = 0;
+ virtual ~MazeBuilder() {}
+};
+
+class TextFileMazeBuilder : public MazeBuilder {
+ public:
+ maze* buildFromFile(const std::string& filename) override
+ {
+
+ std::ifstream file(filename);
+ if (!file.is_open())
+ throw std::runtime_error("Ошибка: Не удалось открыть файл!");
+
+ std::string line;
+ int width = 0;
+ int height = 0;
+
+ while (std::getline(file, line)) {
+ if (height == 0) {
+ width = line.length();
+ }
+ else {
+ if (line.length() != width)
+ throw std::runtime_error("Ошибка: строки лабиринта разной длины!");
+ }
+ height++;
+ }
+
+ if (width == 0 || height == 0) {
+ throw std::runtime_error("Ошибка: файл пустой!");
+ }
+
+ file.clear();
+ file.seekg(0);
+
+ maze* labirint = new maze(width, height);
+ bool hasStart = false;
+ bool hasExit = false;
+ int y = 0;
+
+
+ while (std::getline(file, line)) {
+
+ for (int x = 0; x < width; x++) {
+ char ch = line[x];
+
+ bool isWall = false;
+ bool isStart = false;
+ bool isExit = false;
+
+ switch(ch){
+ case '#':
+ isWall = true;
+ break;
+ case ' ':
+ isWall = false;
+ break;
+ case 'S':
+ isStart = true;
+
+ if (hasStart)
+ throw std::runtime_error("Ошибка: в лабиринте больше одного старта!");
+
+ hasStart = true;
+ break;
+ case 'E':
+ isExit = true;
+
+ if (hasExit)
+ throw std::runtime_error("Ошибка: в лабиринте больше одного выхода!");
+ hasExit = true;
+ break;
+ default:
+ throw std::runtime_error("Ошибка: неизвестный символ в файле!");
+ break;
+ }
+
+ cell current(x, y, isWall, isExit, isStart);
+ labirint->setCell(x, y, current);
+ }
+
+ y++;
+ }
+ file.close();
+ if (!hasStart)
+ throw std::runtime_error("Ошибка: в лабиринте нет старта!");
+ if (!hasExit)
+ throw std::runtime_error("Ошибка: в лабиринте нет выхода!");
+ return labirint;
+ }
+};
+
+
+class PathFindingStrategy {
+ public:
+ virtual cell** findPath(maze* m, cell* start, cell* exit) = 0;
+ virtual int getVisitedCells() = 0; /*для посещенных клеток*/
+ virtual ~PathFindingStrategy() {}
+};
+
+class PathBuilder {
+ public:
+ static cell** buildPath(cell* start, cell* exit, cell*** parent) {
+ int length = 0;
+ cell* current = exit;
+
+ while (current != nullptr) {
+ length++;
+ if (current == start)
+ break;
+ current = parent[current->getX()][current->getY()];
+ }
+
+ cell** path = new cell*[length + 1];
+ current = exit;
+
+ for (int i = length - 1; i >= 0; i--) {
+ path[i] = current;
+ if (current == start)
+ break;
+ current = parent[current->getX()][current->getY()];
+ }
+ path[length] = nullptr;
+ return path;
+ }
+};
+
+class BFSStrategy : public PathFindingStrategy {
+ private:
+ int visitedCells;
+ public:
+
+ BFSStrategy() {visitedCells = 0;}
+
+ int getVisitedCells() override {return visitedCells;}
+
+ cell** findPath(maze* m, cell* start, cell* exit) override {
+ visitedCells = 0;
+ int width = m->getWidth();
+ int height = m->getHeight();
+ bool** visited = new bool*[width];
+ cell*** parent = new cell**[width];
+
+ for (int x = 0; x < width; x++) {
+ visited[x] = new bool[height];
+ parent[x] = new cell*[height];
+
+ for (int y = 0; y < height; y++) {
+ visited[x][y] = false;
+ parent[x][y] = nullptr;
+ }
+ }
+
+ cell** deque = new cell*[width * height];
+ int head = 0;
+ int tail = 0;
+
+ deque[tail] = start;
+ tail++;
+ visited[start->getX()][start->getY()] = true;
+ bool found = false;
+
+ while (head < tail) {
+ cell* current = deque[head];
+ head++;
+ visitedCells++;
+
+ if (current == exit) { //сравниваются указатели
+ found = true;
+ break;
+ }
+
+ cell** neighbors = m->getNeighbors(current);
+
+ for (int i = 0; neighbors[i] != nullptr; i++) {
+ cell* next = neighbors[i];
+
+ int nx = next->getX();
+ int ny = next->getY();
+
+ if (!visited[nx][ny]) {
+ visited[nx][ny] = true;
+ parent[nx][ny] = current;
+
+ deque[tail] = next;
+ tail++;
+ }
+ }
+ delete[] neighbors;
+ }
+
+ cell** path;
+
+ if (found) {
+ path = PathBuilder::buildPath(start, exit, parent);
+ }
+ else {
+ path = new cell*[1];
+ path[0] = nullptr;
+ }
+
+ delete[] deque;
+
+ for (int x = 0; x < width; x++) {
+ delete[] visited[x];
+ delete[] parent[x];
+ }
+ delete[] visited;
+ delete[] parent;
+ return path;
+ }
+};
+
+class DFSStrategy : public PathFindingStrategy {
+ private:
+ int visitedCells;
+ public:
+ DFSStrategy() {visitedCells = 0;}
+
+ int getVisitedCells() override {return visitedCells;}
+
+ cell** findPath(maze* m, cell* start, cell* exit) override {
+ visitedCells = 0;
+ int width = m->getWidth();
+ int height = m->getHeight();
+ bool** visited = new bool*[width];
+ cell*** parent = new cell**[width];
+
+ for (int x = 0; x < width; x++) {
+ visited[x] = new bool[height];
+ parent[x] = new cell*[height];
+
+ for (int y = 0; y < height; y++) {
+ visited[x][y] = false;
+ parent[x][y] = nullptr;
+ }
+ }
+
+ cell** stack = new cell*[width * height];
+ int top = 0;
+ stack[top] = start;
+ top++;
+ visited[start->getX()][start->getY()] = true;
+ bool found = false;
+
+ while (top > 0) {
+ top--;
+ cell* current = stack[top];
+ visitedCells++;
+
+ if (current == exit) { //сравниваются указатели
+ found = true;
+ break;
+ }
+
+ cell** neighbors = m->getNeighbors(current);
+
+ for (int i = 0; neighbors[i] != nullptr; i++) {
+ cell* next = neighbors[i];
+
+ int nx = next->getX();
+ int ny = next->getY();
+
+ if (!visited[nx][ny]) {
+ visited[nx][ny] = true;
+ parent[nx][ny] = current;
+
+ stack[top] = next;
+ top++;
+ }
+ }
+ delete[] neighbors;
+ }
+
+ cell** path;
+
+ if (found) {
+ path = PathBuilder::buildPath(start, exit, parent);
+ }
+ else {
+ path = new cell*[1];
+ path[0] = nullptr;
+ }
+
+ delete[] stack;
+
+ for (int x = 0; x < width; x++) {
+ delete[] visited[x];
+ delete[] parent[x];
+ }
+ delete[] visited;
+ delete[] parent;
+ return path;
+ }
+};
+
+class AStarStrategy : public PathFindingStrategy {
+ private:
+ int heuristic(cell* current, cell* exit) {return std::abs(current->getX() - exit->getX()) + std::abs(current->getY() - exit->getY());}
+ int visitedCells;
+
+ public:
+ AStarStrategy() {visitedCells = 0;}
+
+ int getVisitedCells() override {return visitedCells;}
+
+ cell** findPath(maze* m, cell* start, cell* exit) override {
+ visitedCells = 0;
+ int width = m->getWidth();
+ int height = m->getHeight();
+
+ bool** closed = new bool*[width]; /*клетка [x][y] посещена (да/нет)*/
+ bool** inOpen = new bool*[width]; /*клетка [x][y] имеет потенциал к посещению (да/нет)*/
+ int** gScore = new int*[width]; /* до клетка [x][y] от старта gSchore[x][y] шагов*/
+ int** fScore = new int*[width]; /*f = h + g, где h - эвристика клетки[x][y]*/
+
+ cell*** parent = new cell**[width];
+
+
+ for (int x = 0; x < width; x++) {
+ closed[x] = new bool[height];
+ inOpen[x] = new bool[height];
+ gScore[x] = new int[height];
+ fScore[x] = new int[height];
+
+ parent[x] = new cell*[height];
+
+ for (int y = 0; y < height; y++) {
+ closed[x][y] = false;
+ inOpen[x][y] = false;
+
+ gScore[x][y] = width * height + 100000; /*тупо большое число чтоб было больше чем клеток в лаберинте*/
+ fScore[x][y] = width * height + 100000;
+
+ parent[x][y] = nullptr;
+ }
+ }
+
+ cell** open = new cell*[width * height]; /*клетки с потенциалом на посещение*/
+ int openCount = 0; /*это количество потенц клеток, а также индекс следующего незанятого места*/
+
+ int sx = start->getX();
+ int sy = start->getY();
+
+ gScore[sx][sy] = 0;
+ fScore[sx][sy] = heuristic(start, exit);
+
+ open[openCount] = start;
+ openCount++;
+
+ inOpen[sx][sy] = true;
+ bool found = false;
+
+ while (openCount > 0) {
+ int bestIndex = 0;
+
+ for (int i = 1; i < openCount; i++) {
+ int ix = open[i]->getX();
+ int iy = open[i]->getY();
+
+ int bx = open[bestIndex]->getX();
+ int by = open[bestIndex]->getY();
+
+ if (fScore[ix][iy] < fScore[bx][by]) {
+ bestIndex = i; /*(fSchore наименьший в [bestIndex])*/
+ }
+ }
+
+ cell* current = open[bestIndex];
+
+ if (current == exit) {
+ found = true;
+ visitedCells++; /*чтоб выход засчитывался*/
+ break;
+ }
+
+ int cx = current->getX();
+ int cy = current->getY();
+
+ open[bestIndex] = open[openCount - 1];
+ openCount--;
+
+ inOpen[cx][cy] = false;
+ closed[cx][cy] = true;
+ visitedCells++;
+
+ cell** neighbors = m->getNeighbors(current);
+
+ for (int i = 0; neighbors[i] != nullptr; i++) {
+ cell* next = neighbors[i];
+
+ int nx = next->getX();
+ int ny = next->getY();
+
+ if (closed[nx][ny]) {
+ continue;
+ }
+
+ int tentativeG = gScore[cx][cy] + 1;
+
+ if (tentativeG < gScore[nx][ny]) {
+ parent[nx][ny] = current;
+
+ gScore[nx][ny] = tentativeG;
+ fScore[nx][ny] = gScore[nx][ny] + heuristic(next, exit);
+
+ if (!inOpen[nx][ny]) {
+ open[openCount] = next;
+ openCount++;
+
+ inOpen[nx][ny] = true;
+ }
+ }
+ }
+ delete[] neighbors;
+ }
+
+ cell** path;
+ if (found) {
+ path = PathBuilder::buildPath(start, exit, parent);
+ }
+ else {
+ path = new cell*[1];
+ path[0] = nullptr;
+ }
+
+ delete[] open;
+
+ for (int x = 0; x < width; x++) {
+ delete[] closed[x];
+ delete[] inOpen[x];
+ delete[] gScore[x];
+ delete[] fScore[x];
+ delete[] parent[x];
+ }
+ delete[] closed;
+ delete[] inOpen;
+ delete[] gScore;
+ delete[] fScore;
+ delete[] parent;
+
+ return path;
+ }
+};
+
+class SearchStats {
+public:
+ double timeMs;
+ int visitedCells;
+ int pathLength;
+
+ SearchStats(double timeMs, int visitedCells, int pathLength) {
+ this->timeMs = timeMs;
+ this->visitedCells = visitedCells;
+ this->pathLength = pathLength;
+ }
+};
+
+class MazeSolver{
+ private:
+ maze* labirint;
+ PathFindingStrategy* strategy;
+ public:
+ MazeSolver(maze* labirint) {this->labirint = labirint; this->strategy = nullptr;}
+
+ void setStrategy(PathFindingStrategy* strategy){
+ this->strategy = strategy;
+ }
+
+ SearchStats solve(){
+ auto start = std::chrono::high_resolution_clock::now();
+ cell** path = strategy->findPath(labirint,labirint->getStart(),labirint->getExit());
+ auto end = std::chrono::high_resolution_clock::now();
+ std::chrono::duration duration = end - start;
+
+ int pathLength = 0;
+
+ if (path[0] != nullptr)
+ while (path[pathLength] != nullptr) {pathLength++;}
+
+ int visitedCells = 0;
+ visitedCells = strategy->getVisitedCells();
+ delete[] path;
+
+ SearchStats stats(duration.count(), visitedCells, pathLength);
+ return stats;
+ }
+};
+
+class Player{
+ private:
+ cell* current;
+ public:
+ Player(cell* current) {this->current = current;}
+
+ cell* getCurrent() {return current;}
+ void moveTo(cell* cell) {this->current = cell;}
+};
+
+class Direction{
+ private:
+ int dx;
+ int dy;
+
+ public:
+ Direction(int dx, int dy) {
+ this->dx = dx;
+ this->dy = dy;
+ }
+
+ int getDx() {return dx;}
+ int getDy() {return dy;}
+};
+
+class Command {
+ public:
+ virtual void execute() = 0;
+ virtual void undo() = 0;
+ virtual ~Command() {}
+};
+
+class MoveCommand : public Command{
+ private:
+ Player* player;
+ Direction dir;
+ cell* previousCell;
+ maze* labirint;
+ public:
+ MoveCommand(Player* player, maze* labirint, Direction dir) : dir(dir) {
+ this->player = player;
+ this->labirint = labirint;
+ this->previousCell = nullptr;
+ }
+
+ void execute() override {
+ cell* currentCell = player->getCurrent();
+
+ int newX = currentCell->getX() + dir.getDx();
+ int newY = currentCell->getY() + dir.getDy();
+
+ cell* nextCell = labirint->getCell(newX, newY);
+
+ if (nextCell != nullptr && nextCell->isPassable()) {
+ previousCell = currentCell;
+ player->moveTo(nextCell);
+ }
+ else {
+ std::cout << "Нельзя сделать ход!" << std::endl;
+ }
+ }
+
+ void undo() override {
+ if (previousCell != nullptr) {
+ player->moveTo(previousCell);
+ previousCell = nullptr;
+ }
+ }
+
+};
+
+class ConsolController{
+ private:
+ maze* labirint;
+ Player* player;
+ Command* lastCommand; /*указатель на последнюю команду(на объект класса command)*/
+ bool running;
+ public:
+ ConsolController(maze* labirint, Player* player) {
+ this->labirint = labirint;
+ this->player = player;
+ this->lastCommand = nullptr;
+ this->running = false;
+ }
+
+ ~ConsolController() {
+ if (lastCommand != nullptr) {
+ delete lastCommand;
+ }
+ }
+
+ void run() {
+ running = true;
+
+ while (running) {
+ clearConsole();
+ drawMaze();
+
+ std::cout << "W/A/S/D - ход, Z - отмена, Q - выход" << std::endl;
+ char ch;
+ std::cin >> ch;
+
+ handleInput(ch);
+ }
+ }
+
+ void handleInput(char ch) {
+ switch(ch){
+ case 'q':
+ case 'Q':
+ running = false;
+ break;
+ case 'z':
+ case 'Z':
+ undoLastMove();
+ break;
+ default:
+ handleMove(ch);
+ break;
+ }
+ }
+
+ void handleMove(char ch) {
+ Direction dir(0, 0);
+
+ switch (ch) {
+ case 'w':
+ case 'W':
+ dir = Direction(0, -1);
+ break;
+ case 's':
+ case 'S':
+ dir = Direction(0, 1);
+ break;
+ case 'a':
+ case 'A':
+ dir = Direction(-1, 0);
+ break;
+ case 'd':
+ case 'D':
+ dir = Direction(1, 0);
+ break;
+ default:
+ return;
+ }
+
+ if (lastCommand != nullptr) {
+ delete lastCommand;
+ lastCommand = nullptr;
+ }
+
+ lastCommand = new MoveCommand(player, labirint, dir);
+ lastCommand->execute();
+ }
+
+ void undoLastMove() {
+ if (lastCommand != nullptr) {
+ lastCommand->undo();
+ delete lastCommand;
+ lastCommand = nullptr; /*можно отменить только одну команду назад, указатель делаем 0, чтобы не долбится в отмену уже отмененной команды*/
+ }
+ }
+
+ void clearConsole() {
+ #ifdef _WIN32
+ system("cls");
+ #else
+ system("clear");
+ #endif
+ }
+
+ void drawMaze() {
+ for (int y = 0; y < labirint->getHeight(); y++) {
+ for (int x = 0; x < labirint->getWidth(); x++) {
+ cell* currentCell = labirint->getCell(x, y);
+
+ if (currentCell == player->getCurrent())
+ std::cout << "P";
+ else if (currentCell->getIsWall())
+ std::cout << "#";
+ else if (currentCell->getIsStart())
+ std::cout << "S";
+ else if (currentCell->getIsExit())
+ std::cout << "E";
+ else
+ std::cout << " ";
+ }
+ std::cout << std::endl;
+ }
+ }
+};
+
+class Benchmark {
+ private:
+ int RUNS = 10;
+ public:
+ Benchmark(int runs) {this->RUNS = runs;}
+ void benchmark(){
+ std::string mazeFiles[] = {
+ "SolovevDS/docs/data/data_for_task2/maze10.txt",
+ "SolovevDS/docs/data/data_for_task2/maze50.txt",
+ "SolovevDS/docs/data/data_for_task2/maze100.txt",
+ "SolovevDS/docs/data/data_for_task2/maze_empty.txt",
+ "SolovevDS/docs/data/data_for_task2/maze_no_path.txt"
+ };
+
+ std::string mazeNames[] = {
+ "small_10",
+ "medium_50",
+ "large_100",
+ "empty",
+ "no_path"
+ };
+
+ std::ofstream csv("SolovevDS/docs/data/data_for_task2/results.csv");
+
+ if (!csv.is_open())
+ throw std::runtime_error("Ошибка: не удалось создать results.csv!");
+
+ csv << "maze,strategy,time_ms,cells_visited,way_len\n";
+
+ TextFileMazeBuilder builder;
+
+ for (int i = 0; i < 5; i++) {
+ maze* labirint = builder.buildFromFile(mazeFiles[i]);
+
+ MazeSolver solver(labirint);
+
+ BFSStrategy bfs;
+ DFSStrategy dfs;
+ AStarStrategy astar;
+
+ PathFindingStrategy* strategies[] = {&bfs, &dfs, &astar};
+ std::string strategyNames[] = {"BFS", "DFS", "AStar"};
+
+ for (int s = 0; s < 3; s++) {
+ double sumTime = 0;
+ double sumVisited = 0;
+ double sumPathLength = 0;
+
+ for (int run = 0; run < RUNS; run++) {
+ solver.setStrategy(strategies[s]);
+
+ SearchStats stats = solver.solve();
+
+ sumTime += stats.timeMs;
+ sumVisited += stats.visitedCells;
+ sumPathLength += stats.pathLength;
+ }
+
+ double avgTime = sumTime / RUNS;
+ double avgVisited = sumVisited / RUNS;
+ double avgPathLength = sumPathLength / RUNS;
+
+ csv << mazeNames[i] << ","
+ << strategyNames[s] << ","
+ << std::fixed << std::setprecision(5) << avgTime << ","
+ << avgVisited << ","
+ << avgPathLength << "\n";
+ }
+ delete labirint;
+ }
+
+ csv.close();
+ }
+};
+
+
+int main(){
+ SetConsoleCP(CP_UTF8);
+ SetConsoleOutputCP(CP_UTF8);
+ setlocale(LC_ALL, ".UTF-8");
+ Benchmark ben(10);
+ ben.benchmark();
+
+ TextFileMazeBuilder builder;
+ maze* labirint = builder.buildFromFile("SolovevDS/docs/data/data_for_task2/maze10.txt");
+ Player player(labirint->getStart());
+ ConsolController controller(labirint, &player);
+ controller.run();
+ delete labirint;
+
+ return 0;
+}
diff --git a/SolovevDS/docs/data/data_for_task2/time_comparison.svg b/SolovevDS/docs/data/data_for_task2/time_comparison.svg
new file mode 100644
index 0000000..d50a3e3
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@@ -0,0 +1,1582 @@
+
+
+
diff --git a/SolovevDS/docs/data/data_for_task2/visited_cells_comparison.svg b/SolovevDS/docs/data/data_for_task2/visited_cells_comparison.svg
new file mode 100644
index 0000000..05def5c
--- /dev/null
+++ b/SolovevDS/docs/data/data_for_task2/visited_cells_comparison.svg
@@ -0,0 +1,1530 @@
+
+
+
diff --git a/SolovevDS/docs/laba_2_report.pdf b/SolovevDS/docs/laba_2_report.pdf
new file mode 100644
index 0000000..005e523
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