Sleep sort

sleep_sort.cpp

// Not platform dependent 

#include <iostream>
#include <chrono>
#include <array>
#include <thread>

void print(int n, std::chrono::seconds s) {

    std::this_thread::sleep_for(s);
    std::cout << n;
}

int main() {

    std::array<int, 7> v = {3, 4, 9, 2, 5, 1, 8};
    std::array<std::thread, 7> t;

    for (int i = 0; i < 7; i++) {
        t[i] = std::thread(print, v[i],
                           static_cast<std::chrono::seconds>(v[i]));
    }

    for (int i = 0; i < 7; i++) {
        t[i].join();
    }

    return 0;
}