【例40.1】字符类型判断

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	2025_3	12ms	508 KiB	C++98	229 Bytes	2025-4-16 19:19:23
AC	潘材宇	12ms	764 KiB	C++98	252 Bytes	2024-8-14 17:36:04
AC	陈溯	13ms	764 KiB	C++98	302 Bytes	2024-8-24 16:14:32
AC	塞尔达	13ms	536 KiB	C++98	246 Bytes	2024-7-20 10:43:45
AC	施承慧	13ms	552 KiB	C++98	348 Bytes	2024-4-9 21:16:11
AC	洪卓俊	13ms	764 KiB	C++98	262 Bytes	2024-5-26 20:20:01
AC	Chaser Of Light	14ms	552 KiB	C++98	262 Bytes	2024-5-24 13:07:15
AC	牛奶	14ms	764 KiB	C++98	346 Bytes	2024-5-30 13:18:45
AC	章博文	14ms	764 KiB	C++98	234 Bytes	2024-7-2 13:19:08
AC	杨毅帆	14ms	536 KiB	C++98	262 Bytes	2025-1-17 16:20:56
AC	蔡徐坤	14ms	536 KiB	C++98	326 Bytes	2024-5-17 18:01:01
AC	xxw6	15ms	556 KiB	C++98	229 Bytes	2025-1-19 20:26:53