Source.cpp - master - mando/LIfeIsAGame

Source.cpp
109 строк3 KB
mando
LIfeIsAGame
04 мар 2026, 23:18
04 мар 2026, 23:18805cc2b
#include <iostream>
#include <vector>
#include <fstream>
#include <windows.h>
#include <string>

using namespace std;


int countAlive(const vector<vector<bool>>& field, int H, int W) {
    int count = 0;
    for (int i = 0; i < H; i++)
        for (int j = 0; j < W; j++)
            if (field[i][j]) count++;
    return count;
}
int main() {
    ifstream inputFile("input.txt");
    if (!inputFile.is_open()) {
        cout << "Error: Could not open input.txt" << endl;
        return 1;

    }
    int H, W;
    if (!(inputFile >> H >> W)) return 1;


    vector<vector<bool>> field(H, vector<bool>(W, false));
    int r, c;
    while (inputFile >> r >> c) {
        if (r >= 0 && r < H && c >= 0 && c < W) {
            field[r][c] = true;
        }
    }
    inputFile.close();

    int generation = 0;
    string reason = "";

    while (true) {
        system("cls");

        int aliveCount = countAlive(field, H, W);

        cout << "Generation: " << generation << " | Alive cell: " << aliveCount << endl;
        for (int i = 0; i < H; i++) {
            for (int j = 0; j < W; j++) {
                cout << (field[i][j] ? "*" : "-") << " ";
            }
            cout << endl;
        }


        if (aliveCount == 0) {
            reason = "All cell are dead.";
            break;
        }


        vector<vector<bool>> next = field;
        bool changed = false;

        for (int i = 0; i < H; i++) {
            for (int j = 0; j < W; j++) {
                int neighbors = 0;
                for (int y = -1; y <= 1; y++) {
                    for (int x = -1; x <= 1; x++) {
                        if (y == 0 && x == 0) continue;
                        int ni = i + y, nj = j + x;
                        if (ni >= 0 && ni < H && nj >= 0 && nj < W && field[ni][nj])
                            neighbors++;
                    }
                }

                if (field[i][j]) {
                    next[i][j] = (neighbors == 2 || neighbors == 3);
                }
                else {
                    next[i][j] = (neighbors == 3);
                }

                if (next[i][j] != field[i][j]) changed = true;
            }
        }

        if (!changed) {
            reason = "Population has stabilized.";
            break;
        }
        if (GetAsyncKeyState(VK_ESCAPE)) {
            reason = "Stopped by user.";
            break;
        }

        field = next;
        generation++;
        Sleep(200);
    }

    cout << "\n--- GAME OVER ---" << endl;
    cout << "Reason: " << reason << endl;
    cout << "Final Generation: " << generation << endl;
    cout << "Alive cells: " << countAlive(field, H, W) << endl;



    return 0;

}