【例40.1】字符类型判断

状态	递交者	时间	内存	语言	代码	递交时间
AC	u26046	6ms	256 KiB	C	279 Bytes	2026-11-8 16:45:01
AC	u26047	7ms	448 KiB	C	298 Bytes	2026-11-1 13:47:51
AC	u26032	7ms	256 KiB	C	232 Bytes	2026-11-3 22:08:17
AC	u2605	12ms	512 KiB	C++98	264 Bytes	2026-5-23 16:46:09
AC	u2607	13ms	516 KiB	C++11	285 Bytes	2026-5-23 16:46:24
AC	u2606	14ms	540 KiB	C++11	321 Bytes	2026-5-24 19:38:32
AC	u2700	14ms	540 KiB	C++11	640 Bytes	2026-5-22 17:02:38
AC	u2602	14ms	512 KiB	C++11	300 Bytes	2026-5-23 16:46:40
AC	u2603	15ms	516 KiB	C++98	309 Bytes	2026-5-31 14:18:52
AC	u2604	16ms	532 KiB	C++14(O2)	388 Bytes	2026-4-22 21:58:36