PP\u0050 (C99)\U000050 (C99)\x50 (encoding-dependent)\120 (encoding-dependent)\u{50} (C++23)\x{50} (C++23, encoding-dependent)\o{120} (C++23, encoding-dependent)\U00000050\u0050\x50 (encoding-dependent)\120 (encoding-dependent)\u0050\u{50}\u0050\x50\50\000050=50%50