srand(time(NULL));
    const int SIZE = 15;
    int mas[SIZE];
    int buf = 0;

    for (int i = 0; i < SIZE; ++i) {
        mas[i] = rand() % 1000 - 500;
    }

    for (int i = 0; i < SIZE; ++i) {
        cout << mas[i] << " ";
    }

    for (int i = 0; i < SIZE - 1; ++i) {

        for (int j = i+1; j < SIZE; ++j) {
            if (mas[j] < mas[i]){
                buf = mas[j];
                mas[j] = mas[i];
                mas[i] = buf;
            }
        }
    }

    cout << endl;

    for (int i = 0; i < SIZE; ++i) {
        cout << mas[i] << " ";
    }