#include <chrono>
#include <iostream>

#define NOW std::chrono::high_resolution_clock::now
#define DURATION_CAST(x)                                                       \
    std::chrono::duration_cast<std::chrono::nanoseconds>(x).count()

int main(int argc, char* argv[])
{
    int n = atol(argv[1]);
    srand(time(nullptr));

    int* x = new int[n];
    int* y = new int[n];

    for (int i = 0; i < n; ++i)
    {
        x[i] = rand() / (RAND_MAX / 2);
    }
    int sum = 0;
    for (int i = 0; i < n; ++i)
    {
        sum += x[i];
    }
    std::cout << sum << std::endl;

    auto t0 = NOW();
    for (int i = 0; i < n; ++i)
        x[i] = 1;

    auto t1 = NOW();
    for (int i = 0; i < n; ++i)
        y[i] = 1;

    auto t2 = NOW();
    double dt1 = DURATION_CAST(t1 - t0);
    double dt2 = DURATION_CAST(t2 - t1);

    std::cout << "Average time: " << dt1 / n << " ns" << std::endl;
    std::cout << "Average time: " << dt2 / n << " ns" << std::endl;

    sum = 0;
    for (int i = 0; i < n; ++i)
    {
        sum += x[i] + y[i];
    }
    std::cout << sum << std::endl;

    delete[] x;
    delete[] y;

    return 0;
}