#include <algorithm>
#include <iostream>
#include <vector>
int main()
{
std::vector<std::string> vec = {"<string>", "<iostream>", "<ostream>", "<numbers>", "<algorithm>"};
std::sort(vec.begin(), vec.end());
for (auto str: vec) {
std::cout << str << "\n";
}
}
/*
run:
<algorithm>
<iostream>
<numbers>
<ostream>
<string>
*/