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  1. #include <iostream>
  2. #include <string>
  3. #include <locale>
  4.  
  5. using namespace std;
  6.  
  7. int main() {
  8.      std::locale::global(std::locale(""));     wstring str(L"àáäøęç");
  9.     auto& f = std::use_facet<std::ctype<wchar_t>>(std::locale());
  10.     f.toupper(&str[0], &str[0] + str.size());
  11.     wcout << str << endl;    
  12. 	return 0;
  13. }
Success #stdin #stdout 0s 5044KB
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ÀÁÄØĘÇ
https://ideone.com/Fc8aRL
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
public

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