const int INTEGRAL_COUNT = 10;
const int Y_START = 0;
const int Y_END = 1;
const int X_START = -1;
const int X_END = 1;
const double INTEGRAL_STEP = 0.1;

void czekaj(int milis);
double integral(double k, double x, double y) {
	return sin(k*x) / x * x + y * y + sqrt(k);
}

	start = clock();
	double *integrals = new double[INTEGRAL_COUNT];
	for (int k = 0; k<INTEGRAL_COUNT; k++) {
		integrals[k] = 0;
		for (double y = Y_START; y <= Y_END; y += INTEGRAL_STEP) {
			for (double x = X_START; x <= X_END; x += INTEGRAL_STEP) {
				integrals[k] += integral(k + 1, x, y)*INTEGRAL_STEP*INTEGRAL_STEP;
			}
		}
	}

	cout << "time: " << clock() - start << endl;

	for (int k = 0; k<INTEGRAL_COUNT; k++) {
		cout << "dla k = " << k + 1 << " wartosc calki wynosi: " << integrals[k] << endl;
	}