【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	李承宇	16ms	764 KiB	C++14(O2)	413 Bytes	2025-8-6 7:32:51
AC	陈沐阳	17ms	760 KiB	C++14(O2)	275 Bytes	2025-8-6 10:18:17
AC	胡佳俊	25ms	760 KiB	C++14(O2)	527 Bytes	2025-7-27 11:13:59
AC	我爱刷题，刷题爱我！ (冷奕程)	26ms	512 KiB	C++14(O2)	303 Bytes	2026-5-29 13:08:13
AC	胡家瑛	28ms	532 KiB	C++14(O2)	280 Bytes	2025-8-15 9:47:25
AC	常胤豪	29ms	760 KiB	C++14(O2)	300 Bytes	2025-7-23 11:23:48
AC	chy陈浩洋 (陈浩洋)	29ms	528 KiB	C++14(O2)	272 Bytes	2025-7-28 21:13:36
AC	王彦博	29ms	508 KiB	C++14(O2)	351 Bytes	2025-7-23 16:09:06
AC	王琛宇	30ms	508 KiB	C++14(O2)	293 Bytes	2025-8-11 15:14:29
AC	陈昊阳	30ms	508 KiB	C++14(O2)	397 Bytes	2025-7-20 16:19:17
AC	常博文	30ms	544 KiB	C++14(O2)	351 Bytes	2025-7-22 19:58:09
AC	龙的传人 (zyf) E (湛易峰)	30ms	504 KiB	C++14(O2)	312 Bytes	2025-8-2 10:27:42
AC	冯锐阳	30ms	764 KiB	C++14(O2)	383 Bytes	2025-7-28 21:03:48
AC	茆欣妍	30ms	760 KiB	C++14(O2)	421 Bytes	2025-8-1 10:36:04
AC	吕晨宇	30ms	772 KiB	C++14(O2)	260 Bytes	2025-7-27 11:25:27
AC	yaoliyidan	30ms	532 KiB	C++11	271 Bytes	2025-7-3 18:19:18
AC	xyc (夏懿陈)	31ms	508 KiB	C++14(O2)	417 Bytes	2025-7-24 19:35:55
AC	曹思源	31ms	760 KiB	C++14(O2)	293 Bytes	2025-7-30 17:57:19
AC	尹佳琪	31ms	760 KiB	C++14(O2)	453 Bytes	2025-8-11 21:51:25
AC	杜劭晴	31ms	760 KiB	C++14(O2)	418 Bytes	2025-7-18 20:21:47
AC	liyaoyanlin	31ms	508 KiB	C++98	323 Bytes	2025-4-23 21:01:50
AC	栾明泽	31ms	760 KiB	C++14(O2)	568 Bytes	2025-7-26 22:49:33
AC	C++很差 (liyaoyanheng)	32ms	760 KiB	C++98	292 Bytes	2025-4-23 20:52:51
AC	张梓宸	32ms	760 KiB	C++14(O2)	531 Bytes	2025-7-24 9:56:04
AC	林嘉骥	32ms	540 KiB	C++14(O2)	459 Bytes	2025-10-20 20:56:40
AC	孙紫轩	32ms	764 KiB	C++14(O2)	360 Bytes	2025-7-28 10:04:54
AC	小陈同学 (陈李钰)	32ms	544 KiB	C++14(O2)	219 Bytes	2025-7-30 13:04:39
AC	赵婧雯	32ms	504 KiB	C++14(O2)	422 Bytes	2025-7-29 16:32:38
AC	曹子禾	32ms	764 KiB	C++14(O2)	298 Bytes	2025-7-29 12:51:26
AC	丁可文颉	32ms	560 KiB	C++11	250 Bytes	2026-3-14 12:48:01
AC	周云谦	32ms	760 KiB	C++14(O2)	292 Bytes	2025-7-20 16:39:02
AC	张思睿1	32ms	588 KiB	C++14(O2)	362 Bytes	2026-4-19 9:04:28
AC	GESP (顾益诚)	32ms	760 KiB	C++14(O2)	297 Bytes	2025-7-27 9:23:04
AC	韩宥哲	32ms	760 KiB	C++14(O2)	502 Bytes	2025-8-10 10:37:16
AC	6666.66 (wangyinan)	32ms	516 KiB	C++14(O2)	282 Bytes	2026-5-29 22:17:10
AC	周浩荣	32ms	760 KiB	C++14(O2)	292 Bytes	2025-11-2 15:02:11
AC	zhaozhiyu	32ms	524 KiB	C++14(O2)	313 Bytes	2026-5-9 21:07:06
AC	☺刷题快乐！！！ (朱浩晨)	32ms	516 KiB	C++14(O2)	265 Bytes	2026-5-18 12:53:00
AC	刘老师 (ShineiNouzan)	32ms	504 KiB	C++98	397 Bytes	2025-7-26 9:12:00
AC	༺ཌༀ༒ཉི࿈༃༒ༀད༻ (洪明轩)	33ms	504 KiB	C++14(O2)	361 Bytes	2025-7-27 13:44:16
AC	(李欣泽)	33ms	768 KiB	C++14(O2)	250 Bytes	2026-5-23 9:21:03
AC	孙瑞泽	33ms	508 KiB	C++14(O2)	286 Bytes	2025-10-10 22:03:01
AC	傅祺智	33ms	524 KiB	C++14(O2)	504 Bytes	2026-5-19 21:44:13
AC	litianrui	34ms	712 KiB	C++11	442 Bytes	2025-7-3 17:05:03
AC	徐启正	35ms	508 KiB	C++14(O2)	281 Bytes	2025-8-16 13:08:51