#include <iostream>
#include <codecvt>
#include <locale>
int main() {
std::u32string S = U"Жěěěра, не кепишуй!";
std::wstring_convert<std::codecvt_utf8<char32_t>, char32_t> cnv;
for(const auto &c:S) std::cout << cnv.to_bytes(c) << std::endl;
return 0;
}
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