16点16点\u0031\u0036\u70B9 (C99)\U000031\U000036\U0070B9 (C99)\u{31}\u{36}\u{70B9} (C++23)\U00000031\U00000036\U000070B9\u0031\u0036\u70B9\u0031\u0036\u70B9\u{31}\u{36}\u{70B9}\u0031\u0036\u70B9\31\36\70B9\000031\000036\0070B9=31=36=E7=82=B9%31%36%E7%82%B9