#include <iostream>
#include <vector>
void printVector(const std::vector<std::string> &vec) {
for (const auto &s: vec) {
std::cout << s << " ";
}
}
int main() {
const std::vector<std::string> vec = {"c++", "c", "c#", "java", "python", "node.js", "php"};
printVector(vec);
}
/*
run:
c++ c c# java python node.js php
*/