#include <locale>
#include <codecvt>
#include <iostream>
#include <cstdint>
 
int main() {
    std::wstring_convert < std::codecvt_utf8_utf16<char16_t>, char16_t> convert;
 
    const char *s = "еёЁжикЕст";
    std::cout << "Input: " << s << "\n";
    std::u16string str = convert.from_bytes(s);
    for (int q=0; s[q]; ++q)
        std::cout << (int)s[q] << ' ';
    std::cout << '\n';
    for (int q=0; q<str.length(); ++q)
        std::cout << (int)str[q] << ' ';
    std::cout << '\n'; 
}
 

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