test_unicode.cpp

#include <iostream>
#include <string>

int main() {
  std::string al[] {
    //  Using unicode escapes:
    " \u00e1", // á - U+00E1 - LATIN SMALL LETTER A ACUTE              - UTF-8: 0xC3 0xA1
    " \u00e9", // é - U+00E9 - LATIN SMALL LETTER E WITH ACUTE         - UTF-8: 0xC3 0xA9
    " \u0151", // ő - U+0151 - LATIN SMALL LETTER O WITH DOUBLE ACUTE  - UTF-8: 0xC5 0x91
    " \u0171", // ű - U+0171 - LATIN SMALL LETTER U WITH DOUBLE ACUTE  - UTF-8: 0xC5 0xB1
    "\n",
    //  Using UTF-8 code directly
    " \xc3\xa1", // UTF-8: 0xC3 0xA1
    " \xc3\xa9", // UTF-8: 0xC3 0xA9
    " \xc5\x91", // UTF-8: 0xC5 0x91
    " \xc5\xb1", // UTF-8: 0xC5 0xB1
  };

  for (auto u8 : al) {
    std::cout << u8;
  }
  std::cout << std::endl;

  return 0;
}

/*
 * Output:
 *  á é ő ű
 *  á é ő ű
 */