字符串匹配问题

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	李胤祺	17ms	6 MiB	C++14(O2)	596 Bytes	2024-2-20 22:48:12
AC	jike1994	19ms	6 MiB	C++14(O2)	611 Bytes	2024-2-20 16:03:29
AC	lsd	19ms	6 MiB	C++14(O2)	1017 Bytes	2024-2-7 8:11:47
AC	李胤祺	19ms	6 MiB	C++14(O2)	611 Bytes	2024-2-20 16:05:21
AC	lsd	19ms	6 MiB	C++14(O2)	929 Bytes	2024-3-6 19:32:32
AC	赵静恺	21ms	5.9 MiB	C++14(O2)	1.4 KiB	2024-4-20 13:57:48
AC	李胤祺	21ms	6 MiB	C++14(O2)	596 Bytes	2024-2-21 11:38:14
AC	坤坤	29ms	6.2 MiB	C++14(O2)	577 Bytes	2024-12-8 11:29:46
AC	lizi12	34ms	6.2 MiB	C++17(O2)	878 Bytes	2025-1-4 11:19:01
AC	沈鼎皓	38ms	6.2 MiB	C++14(O2)	580 Bytes	2025-1-26 7:39:39