【例23.2】这个月有几天

状态	递交者	时间	内存	语言	代码	递交时间
AC	shibaiyu001	17ms	6.9 MiB	C++14(O2)	316 Bytes	2025-9-3 20:59:39
AC	taosong001	18ms	6.9 MiB	C++14(O2)	326 Bytes	2025-9-3 20:55:20
AC	wangzhuofan001	18ms	6.9 MiB	C++14(O2)	303 Bytes	2025-9-7 16:14:09
AC	xrqmzl	18ms	6.7 MiB	C++17(O2)	546 Bytes	2024-3-17 18:43:22
AC	cairukun001	19ms	6.9 MiB	C++14(O2)	314 Bytes	2025-9-3 20:58:55
AC	wangyiyi001	19ms	6.9 MiB	C++14(O2)	310 Bytes	2025-9-3 20:59:18
AC	sunjingke001	25ms	552 KiB	C++17	609 Bytes	2024-3-17 19:24:17
AC	zhaomingxi001	26ms	504 KiB	C++14(O2)	337 Bytes	2025-6-14 14:12:51
AC	songtianyi001	27ms	764 KiB	C++17	298 Bytes	2024-6-20 19:57:32
AC	zhangjincheng001	29ms	760 KiB	C++17	296 Bytes	2024-5-2 21:37:04
AC	wyj001	29ms	504 KiB	C++17	347 Bytes	2024-11-26 20:20:43
AC	shizifan001	30ms	508 KiB	C++17	325 Bytes	2024-12-2 20:53:31
AC	say001	30ms	760 KiB	C++17	310 Bytes	2024-4-26 20:40:11
AC	laiyanghui001	30ms	504 KiB	C++17	736 Bytes	2024-7-21 10:56:32
AC	lizirui001	30ms	508 KiB	C++17	312 Bytes	2024-9-3 20:18:20
AC	lirunjin001	30ms	504 KiB	C++17	340 Bytes	2024-12-2 20:51:43
AC	zhangyifan001	30ms	508 KiB	C++17	321 Bytes	2024-6-20 19:55:26
AC	dongchenhua001	30ms	760 KiB	C++17	294 Bytes	2025-2-16 19:11:58
AC	songtianyi001	30ms	516 KiB	C++17	298 Bytes	2024-6-22 13:42:46
AC	kuijiajie001	30ms	508 KiB	C++17	316 Bytes	2024-9-3 20:18:34
AC	lzc002	31ms	532 KiB	C++17	809 Bytes	2025-2-10 11:52:36
AC	limofei001	31ms	7 MiB	C++14(O2)	302 Bytes	2025-11-22 9:32:10
AC	wangyiyu001	31ms	764 KiB	C++17	338 Bytes	2025-2-16 19:26:35
AC	sunjingke001	31ms	760 KiB	C++17	322 Bytes	2024-3-16 10:23:00
AC	shengyoucheng001	31ms	760 KiB	C++14(O2)	305 Bytes	2025-8-10 22:16:54
AC	tianyi001	31ms	508 KiB	C++17	312 Bytes	2024-6-20 19:53:21
AC	lichenyue001	31ms	508 KiB	C++17	309 Bytes	2024-3-17 19:20:36
AC	yaoyixuan001	31ms	764 KiB	C++17	314 Bytes	2024-9-3 20:13:41
AC	zhoushengqi001	31ms	508 KiB	C++17	316 Bytes	2024-12-2 20:55:46
AC	fushangyang001	31ms	520 KiB	C++17(O2)	309 Bytes	2024-6-20 19:51:25
AC	zhenghaochen001	31ms	548 KiB	C++17	308 Bytes	2024-6-20 19:56:51
AC	zhuhaoyu001	31ms	760 KiB	C++17	319 Bytes	2024-5-5 17:31:09
AC	rrc1	31ms	764 KiB	C++17	279 Bytes	2024-11-20 21:09:54
AC	guochengming001	32ms	544 KiB	C++17	373 Bytes	2024-12-2 20:51:00
AC	xuanni002	32ms	536 KiB	C++17	367 Bytes	2025-5-4 21:50:18
AC	chenboyu001	32ms	508 KiB	C++17	319 Bytes	2025-2-16 19:26:38
AC	gaozien001	32ms	508 KiB	C++17	312 Bytes	2024-9-3 20:17:49
AC	fuyuhan001	32ms	504 KiB	C++17	299 Bytes	2024-6-20 19:56:12
AC	lijiage001	32ms	504 KiB	C++17	285 Bytes	2024-12-20 22:20:41
AC	changjunrui001	32ms	760 KiB	C++17	642 Bytes	2024-7-24 13:50:20
AC	liuxuanyu001	32ms	508 KiB	C++17	321 Bytes	2025-2-16 14:18:18
AC	zhongce001	32ms	7 MiB	C++14(O2)	328 Bytes	2025-11-22 9:17:47
AC	linagminghao001	33ms	532 KiB	C++17	354 Bytes	2024-12-4 18:36:24
AC	shenzekai001	33ms	536 KiB	C++17	654 Bytes	2025-3-6 21:36:49
AC	niweiyi001	33ms	504 KiB	C++17	325 Bytes	2024-9-3 20:18:36
AC	tianyi002	33ms	524 KiB	C++17	306 Bytes	2024-9-8 17:19:18
AC	xuchenhao001	33ms	544 KiB	C++17	318 Bytes	2024-6-20 19:54:32
AC	zhuyujie001	33ms	760 KiB	C++17	305 Bytes	2024-4-26 17:51:02
AC	sunhaochen001	33ms	7 MiB	C++14(O2)	306 Bytes	2025-11-22 9:11:21
AC	zzy01	33ms	760 KiB	C++17	385 Bytes	2024-10-30 19:00:56
AC	wangpengyu001	34ms	7 MiB	C++14(O2)	370 Bytes	2025-11-22 10:36:38
AC	zhaoxiaofan001	35ms	6.8 MiB	C++14(O2)	313 Bytes	2025-11-22 9:15:40