练23.4 首字母

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	劳钰峰	46ms	508 KiB	C++98	224 Bytes	2025-10-23 17:22:24
AC	张若煊	51ms	760 KiB	C++98	213 Bytes	2025-9-27 21:18:57
AC	庞少卿	54ms	548 KiB	C++98	277 Bytes	2025-10-21 20:30:16
AC	朱梓霖	55ms	1016 KiB	C++98	256 Bytes	2025-10-9 17:20:17
AC	朱子轩	57ms	768 KiB	C++98	216 Bytes	2025-9-16 17:28:27