snake

#ifdef _WIN32
    #include <windows.h>

    void sleep(unsigned milliseconds)
    {
        Sleep(milliseconds);
    }
#else
    #include <unistd.h>

    void sleep(unsigned milliseconds)
    {
        usleep(milliseconds * 1000); // takes microseconds
    }
#endif

#include <iostream.h>

char teren[19][19];

void generare_careu(){
    for (int i = 1; i <= 18; i++){
        teren[1][i] = '#';
        teren[i][1] = '#';
        teren[18][i] = '#';
        teren[i][18] = '#';
    }
}

void afisare_careu(){
    for (int i = 1; i <= 18; i++){
        for (int j = 1; j <= 18; j++)
            cout << teren[i][j];
        cout << endl;
    }
}

void animatie(){
    int k = 3; char aux;
    while (teren[2][k] != '#'){
        afisare_careu();
        aux = teren[2][k - 1];
        teren[2][k - 1] = teren[2][k];
        teren[2][k] = aux;
        k++;
        sleep(100);
        system("cls");
    }
    afisare_careu();
    system("cls");
}


int main(){
    generare_careu();
    teren[2][2] = 'O';
    animatie();
}