【例40.1】字符类型判断

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	姚胜蓝	12ms	508 KiB	C++14(O2)	266 Bytes	2025-7-9 9:44:41
AC	许家畅xly2025	12ms	536 KiB	C++14(O2)	265 Bytes	2025-7-9 16:17:04
AC	胡宇翔xly2025	12ms	504 KiB	C++14(O2)	279 Bytes	2025-7-10 11:03:59
AC	许默xly2025	12ms	504 KiB	C++14(O2)	300 Bytes	2025-7-11 15:16:59
AC	白一汎xly2025	12ms	760 KiB	C++14(O2)	298 Bytes	2025-7-11 15:11:16
AC	chenqiugu	12ms	508 KiB	C++14	354 Bytes	2025-8-5 19:18:08
AC	王鸿畅xly2025	13ms	532 KiB	C++14(O2)	340 Bytes	2025-7-28 16:24:47
AC	杨家齐xly2025	13ms	504 KiB	C++14(O2)	268 Bytes	2025-7-9 14:40:52
AC	_anguanie_	13ms	508 KiB	C++14(O2)	275 Bytes	2025-7-10 14:17:33
AC	xzh13579	13ms	764 KiB	C++14(O2)	333 Bytes	2025-7-9 17:01:47
AC	钟雨辰xly2025	13ms	504 KiB	C++14(O2)	295 Bytes	2025-7-9 13:07:18
AC	tianlangyufirst	13ms	760 KiB	C++17(O2)	238 Bytes	2025-7-9 20:30:00
AC	龙肖瑾xly2025	13ms	508 KiB	C++14(O2)	299 Bytes	2025-7-9 9:37:19
AC	张叶朵	13ms	508 KiB	C++14(O2)	299 Bytes	2025-7-14 9:58:58
AC	简怀墨xly2025	13ms	508 KiB	C++14(O2)	265 Bytes	2025-7-9 10:38:30
AC	王昱尊xly2025	13ms	508 KiB	C++14(O2)	277 Bytes	2025-7-9 14:30:28
AC	白力予	14ms	504 KiB	C++14(O2)	280 Bytes	2025-7-9 11:14:15
AC	Harry	14ms	504 KiB	C++14	377 Bytes	2025-8-6 21:45:37
AC	taoruiguo120	14ms	508 KiB	C++14	352 Bytes	2025-7-30 17:40:13
AC	hmtzl666	14ms	532 KiB	C++14(O2)	306 Bytes	2025-7-9 14:42:06
AC	何庭杨xly2025	14ms	508 KiB	C++14(O2)	294 Bytes	2025-7-10 8:41:47
AC	王思懿	14ms	504 KiB	C++14(O2)	323 Bytes	2025-7-9 9:55:38
AC	王冠楠xly2025	14ms	508 KiB	C++14(O2)	448 Bytes	2025-7-9 20:28:08
AC	卢皓禹xly2025	14ms	504 KiB	C++14(O2)	358 Bytes	2025-7-26 22:06:33
AC	张霖桐	14ms	504 KiB	C++14(O2)	281 Bytes	2025-7-10 8:25:28
AC	奈龙	14ms	508 KiB	C++14(O2)	462 Bytes	2025-7-11 10:34:04
AC	w20120404	14ms	504 KiB	C++14(O2)	332 Bytes	2025-8-5 19:29:05