【例21.3】字符类型判断

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	黄昭明xly2025	11ms	508 KiB	C++14(O2)	341 Bytes	2025-7-8 10:25:22
AC	田玺琳	11ms	508 KiB	C++14(O2)	300 Bytes	2025-7-8 11:09:42
AC	zzy15924600533	11ms	508 KiB	C++14(O2)	261 Bytes	2025-7-29 21:06:16
AC	李承兴	12ms	504 KiB	C++14(O2)	298 Bytes	2025-7-8 9:31:36
AC	周宝熠xly2025	12ms	504 KiB	C++14(O2)	327 Bytes	2025-7-7 19:30:00
AC	李穆萨1.04	12ms	760 KiB	C++14(O2)	389 Bytes	2025-7-9 9:35:42
AC	张霖桐	12ms	508 KiB	C++14(O2)	283 Bytes	2025-7-8 10:55:39
AC	许家畅xly2025	12ms	532 KiB	C++14(O2)	297 Bytes	2025-7-7 20:03:55
AC	白一汎xly2025	12ms	504 KiB	C++14(O2)	300 Bytes	2025-7-8 10:52:27
AC	刘小琳	12ms	504 KiB	C++14	279 Bytes	2025-7-8 9:22:23
AC	_anguanie_	12ms	508 KiB	C++14(O2)	293 Bytes	2025-7-7 9:25:16
AC	姚辰x1y2025	12ms	504 KiB	C++14(O2)	267 Bytes	2025-7-8 10:54:05
AC	Liu	12ms	504 KiB	C++14	280 Bytes	2025-8-7 20:27:20
AC	后程兮qcx	12ms	508 KiB	C++14(O2)	299 Bytes	2025-7-16 9:10:49
AC	严晨航	12ms	760 KiB	C++14(O2)	285 Bytes	2025-7-8 10:57:35
AC	Mr_Wr	12ms	504 KiB	C++14(O2)	324 Bytes	2025-7-7 14:43:37
AC	Harry	13ms	760 KiB	C++14	295 Bytes	2025-7-29 16:05:11
AC	周天心qcx	13ms	516 KiB	C++14(O2)	300 Bytes	2025-7-16 9:12:10
AC	刘喻蔓	13ms	760 KiB	C++14(O2)	311 Bytes	2025-8-9 14:20:18
AC	heqianyu	13ms	508 KiB	C++14	346 Bytes	2025-8-4 20:54:14
AC	龙肖瑾xly2025	13ms	760 KiB	C++14(O2)	299 Bytes	2025-7-8 10:58:10
AC	许默xly2025	13ms	508 KiB	C++14(O2)	279 Bytes	2025-7-8 10:51:28
AC	昂冠宇xly2025	13ms	508 KiB	C++14(O2)	275 Bytes	2025-7-7 19:02:58
AC	李衍树xly2025	13ms	760 KiB	C++14(O2)	280 Bytes	2025-7-7 19:57:25
AC	姚胜蓝	13ms	508 KiB	C++14(O2)	266 Bytes	2025-7-7 11:22:22
AC	张叶朵	13ms	760 KiB	C++14(O2)	315 Bytes	2025-7-7 19:19:07
AC	张芷若xly2025	13ms	532 KiB	C++14(O2)	282 Bytes	2025-7-8 10:55:48
AC	李沐一qcx	13ms	504 KiB	C++14(O2)	305 Bytes	2025-7-16 9:08:34
AC	taoruiguo120	13ms	504 KiB	C++14	348 Bytes	2025-7-29 15:16:28
AC	邵馨羽qcx	13ms	508 KiB	C++14(O2)	300 Bytes	2025-7-16 9:01:42
AC	简怀墨xly2025	13ms	508 KiB	C++14(O2)	265 Bytes	2025-7-7 20:07:19
AC	王冠楠xly2025	13ms	504 KiB	C++14(O2)	448 Bytes	2025-7-7 10:29:37
AC	hmtzl666	13ms	504 KiB	C++14(O2)	306 Bytes	2025-7-7 18:30:42
AC	卢皓禹xly2025	13ms	504 KiB	C++14(O2)	384 Bytes	2025-7-20 21:34:35
AC	李锦华	13ms	520 KiB	C++14(O2)	280 Bytes	2025-7-28 21:46:42
AC	杨锦莲xly2025	13ms	504 KiB	C++14(O2)	282 Bytes	2025-7-8 11:24:14
AC	罗川皓xly2025	13ms	508 KiB	C++14(O2)	292 Bytes	2025-7-8 10:30:06
AC	钟雨辰xly2025	13ms	760 KiB	C++14(O2)	295 Bytes	2025-7-7 16:51:28
AC	Mch121018	14ms	504 KiB	C++14(O2)	385 Bytes	2025-7-8 10:53:38
AC	王昱尊xly2025	14ms	504 KiB	C++14(O2)	279 Bytes	2025-7-7 14:55:17
AC	白力予	14ms	504 KiB	C++14(O2)	280 Bytes	2025-7-8 10:53:44
AC	李轩逸xly2025	14ms	504 KiB	C++14(O2)	293 Bytes	2025-7-9 17:26:18
AC	陈珑予xly2025	14ms	760 KiB	C++14(O2)	295 Bytes	2025-7-8 10:54:38
AC	xzh13579	14ms	504 KiB	C++14(O2)	300 Bytes	2025-7-7 12:44:59
AC	tianlangyufirst	14ms	508 KiB	C++14(O2)	306 Bytes	2025-7-7 18:24:16
AC	王鸿畅xly2025	14ms	760 KiB	C++14(O2)	269 Bytes	2025-7-7 20:02:37
AC	mz0873	14ms	508 KiB	C++14(O2)	288 Bytes	2025-7-8 11:34:36
AC	张隽语xly2025	14ms	520 KiB	C++14(O2)	282 Bytes	2025-7-7 19:12:08
AC	ZYJing2012	14ms	532 KiB	C++14(O2)	303 Bytes	2025-7-7 20:33:58
AC	Lyd1107	14ms	532 KiB	C++14	364 Bytes	2025-8-9 9:15:07
AC	李雨诺129xly2025	14ms	504 KiB	C++14(O2)	375 Bytes	2025-7-8 10:20:09
AC	王思懿	14ms	504 KiB	C++14(O2)	323 Bytes	2025-7-7 18:47:06
AC	缪欣然xly2025	14ms	508 KiB	C++14(O2)	271 Bytes	2025-7-8 11:06:04
AC	陆昊宇	14ms	504 KiB	C++14(O2)	291 Bytes	2025-7-8 10:57:06
AC	何庭杨xly2025	14ms	504 KiB	C++14(O2)	294 Bytes	2025-7-7 20:23:41
AC	徐尔蔓qcx	14ms	508 KiB	C++14(O2)	298 Bytes	2025-7-16 9:05:15
AC	马誉纯	14ms	764 KiB	C++14(O2)	375 Bytes	2025-7-7 13:25:50
AC	胡宇翔xly2025	15ms	504 KiB	C++14(O2)	296 Bytes	2025-7-7 20:28:15
AC	杨家齐xly2025	15ms	504 KiB	C++14(O2)	268 Bytes	2025-7-7 9:24:09
AC	chenqiugu	15ms	508 KiB	C++14	334 Bytes	2025-8-5 13:01:15
AC	w20120404	15ms	760 KiB	C++14(O2)	330 Bytes	2025-8-1 12:36:07