小写字母的判断

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	xuxiao	10ms	6 MiB	C++17	174 Bytes	2025-4-20 18:05:40
AC	wangmuhan	10ms	6 MiB	C++17	172 Bytes	2025-4-23 21:00:52
AC	limengcheng	10ms	6.1 MiB	C++17	168 Bytes	2025-11-27 17:18:26
AC	肖老师	11ms	6.1 MiB	C++17	173 Bytes	2025-11-16 10:25:49
AC	qiyunfei	11ms	6 MiB	C++17	166 Bytes	2025-5-4 13:47:08
AC	dingyuchen	11ms	6.3 MiB	C++17	170 Bytes	2025-4-18 20:35:36
AC	xuyi	11ms	6.3 MiB	C++17	232 Bytes	2025-4-18 21:01:36
AC	wanghaoyu	11ms	6.3 MiB	C++17	194 Bytes	2025-4-18 20:44:03
AC	huhaoyu	11ms	6.3 MiB	C++17	360 Bytes	2025-4-19 16:02:12
AC	yaoboxuan	11ms	6.1 MiB	C++17	179 Bytes	2025-11-16 9:49:13
AC	lipeilin	11ms	6.2 MiB	C++17	167 Bytes	2025-4-12 19:36:19
AC	wangsichen	11ms	6 MiB	C++17	169 Bytes	2025-4-25 19:30:57
AC	duanhaoxuan	11ms	6.1 MiB	C++17	172 Bytes	2025-6-8 17:24:18
AC	huhaojia	11ms	6 MiB	C++17	326 Bytes	2025-5-17 12:51:34
AC	wuxinchen	11ms	6.2 MiB	C++17	169 Bytes	2025-4-13 10:38:52
AC	panghaoran	12ms	6.3 MiB	C++17	166 Bytes	2025-4-18 20:32:16
AC	yanyan	12ms	6.2 MiB	C++17	167 Bytes	2025-4-16 12:34:49
AC	wanghe	12ms	6.1 MiB	C++17	178 Bytes	2025-5-30 17:30:29
AC	liantong	12ms	6.1 MiB	C++17	169 Bytes	2025-5-30 17:30:21
AC	zhuliucheng	12ms	6.1 MiB	C++17	167 Bytes	2025-5-30 17:31:06
AC	lixianan	13ms	6 MiB	C++17	166 Bytes	2025-5-13 20:15:09
AC	xuyicheng	13ms	6.2 MiB	C++17	178 Bytes	2025-7-8 20:58:00
AC	zhangrui	13ms	6.1 MiB	C++17	168 Bytes	2025-5-30 17:36:52
AC	xutianyu	13ms	6.3 MiB	C++17	162 Bytes	2026-2-25 16:44:44
AC	lixuxian	13ms	6.2 MiB	C++17	183 Bytes	2025-9-21 9:45:47