优化代码

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	CBH37	30ms	6.5 MiB	C++14(O2)	268 Bytes	2025-1-4 19:50:06
AC	LHY	30ms	6.5 MiB	C++14(O2)	293 Bytes	2025-1-4 19:12:58
AC	ZKXWTF	30ms	6.5 MiB	C++14(O2)	272 Bytes	2025-1-8 20:36:35
AC	Csvoner	32ms	6.5 MiB	C++14(O2)	248 Bytes	2025-1-2 22:12:05