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#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>

#define WIDTH 80
#define HEIGHT 25

void clear_terminal() {
    printf("\033[H\033[J");
}

void wait(float seconds) {
    usleep((int)(seconds * 1000000));
}

void init_field(int field[HEIGHT][WIDTH]) {
    for (int y = 0; y < HEIGHT; y++) {
        for (int x = 0; x < WIDTH; x++) {
            field[y][x] = rand() % 2;
        }
    }
}

void render(int field[HEIGHT][WIDTH]) {
    clear_terminal();
    for (int y = 0; y < HEIGHT; y++) {
        for (int x = 0; x < WIDTH; x++) {
            printf("%c", field[y][x] ? '*' : ' ');
        }
        printf("\n");
    }
}

int count_neighbors(int field[HEIGHT][WIDTH], int x, int y) {
    int count = 0;
    for (int dy = -1; dy <= 1; dy++) {
        for (int dx = -1; dx <= 1; dx++) {
            if (dx == 0 && dy == 0) continue;
            int nx = (x + dx + WIDTH) % WIDTH;
            int ny = (y + dy + HEIGHT) % HEIGHT;
            if (field[ny][nx]) count++;
        }
    }
    return count;
}

void update(int field[HEIGHT][WIDTH]) {
    int new_field[HEIGHT][WIDTH];
    
    for (int y = 0; y < HEIGHT; y++) {
        for (int x = 0; x < WIDTH; x++) {
            int alive_neighbors = count_neighbors(field, x, y);
            if (field[y][x]) {
                new_field[y][x] = (alive_neighbors == 2 || alive_neighbors == 3);
            } else {
                new_field[y][x] = (alive_neighbors == 3);
            }
        }
    }
    
    for (int y = 0; y < HEIGHT; y++) {
        for (int x = 0; x < WIDTH; x++) {
            field[y][x] = new_field[y][x];
        }
    }
}

int main() {
    int field[HEIGHT][WIDTH];
    srand(time(NULL));
    
    init_field(field);
    
    while (1) {
        render(field);
        update(field);
        wait(0.1); // Скорость обновления поля
    }
    
    return 0;
}
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