#include <iostream>
#include <codecvt>
#include <string>
#include <locale>
int main() {
std::string str = "C++ Programming";
std::wstring_convert<std::codecvt_utf8_utf16<wchar_t>> converter;
std::wstring ws = converter.from_bytes(str);
std::wcout << ws;
}
/*
run:
C++ Programming
*/