【例21.3】字符类型判断

状态	递交者	时间	内存	语言	代码	递交时间
AC	zhijiang	6ms	256 KiB	C	317 Bytes	2025-7-25 14:37:44
AC	jiangyan	6ms	324 KiB	C	302 Bytes	2025-3-20 20:59:51
AC	季渝	7ms	516 KiB	C	314 Bytes	2024-9-23 23:13:50
AC	....	7ms	324 KiB	C	230 Bytes	2025-3-15 20:20:44
AC	cccc	7ms	552 KiB	C	289 Bytes	2025-3-17 22:40:39
AC	LLLX	8ms	320 KiB	C	290 Bytes	2024-9-26 0:30:42
AC	龙贤凤	14ms	504 KiB	C++17(O2)	299 Bytes	2025-10-5 11:53:42
AC	zlsx	15ms	536 KiB	C++17(O2)	261 Bytes	2025-1-27 22:27:29
AC	风间白鹿	16ms	768 KiB	C++17(O2)	320 Bytes	2024-9-24 1:13:10
AC	hejunai	160ms	4 MiB	Python 3	194 Bytes	2024-9-26 20:03:20
AC	dreze	184ms	4 MiB	Python 3	167 Bytes	2025-11-5 20:10:31