【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	(未来の鳩（お互い）)国贸单滢睿	13ms	764 KiB	C++11	242 Bytes	2024-12-7 14:54:44
AC	(国贸冯一杨)国贸冯一杨	14ms	764 KiB	C++11	332 Bytes	2024-11-23 12:26:46
AC	(国贸张扬)国贸张扬	14ms	764 KiB	C++11	243 Bytes	2024-11-27 17:38:09
AC	[秦翔可]秦老师	14ms	536 KiB	C++11	362 Bytes	2024-11-20 18:38:44
AC	(Congratulations!)国贸王沐阳	15ms	764 KiB	C++11	271 Bytes	2025-3-29 12:29:27
AC	[吴雨霖]chan	15ms	764 KiB	C++14(O2)	242 Bytes	2024-12-5 9:05:46
AC	(国贸李佳益)国贸李佳益	16ms	536 KiB	C++11	362 Bytes	2024-12-13 21:31:37
AC	(lilo)lilo	16ms	764 KiB	C++14(O2)	256 Bytes	2025-1-9 21:11:15