判断闰年

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	w20120404	32ms	808 KiB	C++14(O2)	218 Bytes	2025-8-18 16:31:10
AC	Musa721	34ms	808 KiB	C++14(O2)	449 Bytes	2025-10-12 10:23:57
AC	李锦华	34ms	804 KiB	C++14(O2)	221 Bytes	2025-8-7 15:30:08
AC	龙肖瑾xly2025	34ms	816 KiB	C++14(O2)	172 Bytes	2025-8-7 15:12:58
AC	陈国瑞	35ms	808 KiB	C++14(O2)	1.8 KiB	2025-7-15 18:29:48
AC	_chjich_	37ms	808 KiB	C++14(O2)	197 Bytes	2025-7-15 16:57:50
AC	xzh13579	38ms	808 KiB	C++14(O2)	199 Bytes	2025-8-7 15:30:19
AC	张芷若xly2025	40ms	808 KiB	C++14(O2)	179 Bytes	2025-8-7 15:13:44