【例40.1】字符类型判断

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	wangyonglin	13ms	548 KiB	C++98	280 Bytes	2024-8-13 17:25:15
AC	zhuyinuo	13ms	764 KiB	C++98	252 Bytes	2025-1-20 11:04:33
AC	nianyanimen	13ms	556 KiB	C++98	258 Bytes	2025-1-20 11:04:52
AC	wangliyang	14ms	768 KiB	C++98	328 Bytes	2024-8-13 17:24:30
AC	lihaorui	14ms	536 KiB	C++98	217 Bytes	2025-2-7 14:54:23
AC	jihaoyuan	14ms	764 KiB	C++98	251 Bytes	2025-2-7 14:56:14
AC	pengtaifu	15ms	768 KiB	C++98	273 Bytes	2024-8-13 17:22:11
AC	jiashixuan	16ms	560 KiB	C++98	328 Bytes	2024-8-13 17:32:07
AC	gengshuo	16ms	548 KiB	C++98	218 Bytes	2025-2-7 14:54:45