#include <iostream>
#include <algorithm>
#include <vector>
#include <iterator>

int main()
{
    std::vector<int> invec{5,3,7,1,11};
    auto outvec = invec;
    std::sort(std::begin(outvec), std::end(outvec));

    std::cout << "input vector: ";
    std::copy(std::begin(invec), std::end(invec),
              std::ostream_iterator<int>(std::cout, " "));
    std::cout << "\n";

    std::cout << "output vector: ";
    std::copy(std::begin(outvec), std::end(outvec),
              std::ostream_iterator<int>(std::cout, " "));
    std::cout << "\n";

}