performance_measuring/main.cpp

#include <cstdlib>
#include <ctime>
#include <cassert>

#include <vector>

#include "dummy_lib.hpp"


std::vector<int> generate_random_numbers(int n, int min, int max)
{
       std::srand(std::time(nullptr));
       std::vector<int> v(n);
       for (int i = 0; i < n; ++i)
               v[i] = min + std::rand() / ((RAND_MAX + 1u)/max);

       return v;
}

int main(int /*argc*/, char* /*argv*/[])
{
       std::vector<int> v = generate_random_numbers(10000, 0, 1000);

       // How many times does the smallest element occursts in the vector?

       int r1 = performance_measuring::count_on_the_way(v);
       int r2 = performance_measuring::min_element_and_count(v);
       int r3 = performance_measuring::sort_and_upper_bound(v);

       assert(r1 == r2);
       assert(r2 == r3);

       return EXIT_SUCCESS;
}