#include <array>
#include <print>

int main()
{
    const unsigned long numtimes = 1000*1000*1000UL;
    unsigned long counter = 0;

    auto inc = [&counter]() {
        unsigned long n = numtimes;
        while (n--)
            counter++;
    };

    inc();

    std::println("expected {}, real {}", 1*numtimes, counter);

    return 0;
}