Dummy calculation to measure

master
denes 5 years ago
parent ea78131ced
commit c2fdca90e0
Signed by: denes
GPG Key ID: A7D50EAD42F9FC9F

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cmake_minimum_required (VERSION 3.10)
project (PerformanceMeasuring)
add_executable(performance_measuring main.cpp)

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#include <cstdlib>
#include <ctime>
#include <vector>
#include <algorithm>
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 compute(const std::vector<int>& v)
{
int min = *std::min_element(v.begin(), v.end());
return std::count(v.begin(), v.end(), min);
}
int main(int /*argc*/, char* /*argv*/[])
{
std::vector<int> v = generate_random_numbers(10000, 0, 100);
// How many times does the smallest element occurst in the vector?
int r = compute(v);
(void)r;
return EXIT_SUCCESS;
}
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