#include <iostream>
#include <vector>
#include <algorithm>
#include <functional>

int main() {
    std::vector<int> v { 1, 5, 2, 4, 3 };
    std::sort(begin(v), end(v));
    for (auto const value: v)
        std::cout << value << std::endl;
    std::cout << std::endl;
    
    std::sort(begin(v), end(v), std::greater<int>());
    for (auto const value: v)
        std::cout << value << std::endl;
}