查找子串并替换

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	cyx2009	8ms	6.3 MiB	C++14(O2)	484 Bytes	2023-2-1 19:34:08
AC	yinlang	9ms	6.4 MiB	C++14(O2)	1 KiB	2023-4-6 19:23:50
AC	wangzile	9ms	6.4 MiB	C++14(O2)	383 Bytes	2023-7-25 15:04:44
AC	zjs123	9ms	6.2 MiB	C++14(O2)	338 Bytes	2023-2-3 16:16:48
AC	xiashuye	9ms	6.2 MiB	C++14	342 Bytes	2025-4-7 19:26:46
AC	尤朔涵	9ms	6.4 MiB	C++14	304 Bytes	2023-4-26 20:58:12
AC	赵嘉乐	9ms	6.5 MiB	C++14	257 Bytes	2024-11-20 20:28:06
AC	keyia	9ms	6.2 MiB	C++14	387 Bytes	2025-6-1 10:55:41
AC	CoderCharlie	9ms	6.2 MiB	C++14(O2)	470 Bytes	2023-2-22 17:34:48
AC	汤梓睿	10ms	6.4 MiB	C++14(O2)	299 Bytes	2023-12-3 17:25:56
AC	qinxinhua	10ms	6.4 MiB	C++98	234 Bytes	2023-12-12 9:13:10
AC	zhaochenhe	10ms	6.4 MiB	C++14	267 Bytes	2023-12-15 18:11:13
AC	qinxinhua	10ms	6.4 MiB	C++98	242 Bytes	2023-4-21 18:33:58
AC	zhaochenhe	11ms	6.4 MiB	C++14	267 Bytes	2023-12-15 18:10:42
AC	koiyyds	101ms	9.1 MiB	Python 3	87 Bytes	2025-11-30 14:46:40