有多少个？

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	张嘉芃	26ms	540 KiB	C++14(O2)	257 Bytes	2026-2-5 13:48:18
AC	梁芷睿	26ms	644 KiB	C++14(O2)	340 Bytes	2026-1-25 15:10:45
AC	王震宇	27ms	540 KiB	C++14(O2)	265 Bytes	2026-1-17 11:35:14
AC	祝福	27ms	544 KiB	C++14(O2)	286 Bytes	2025-12-3 19:17:41
AC	王振豪	27ms	552 KiB	C++14(O2)	324 Bytes	2026-1-25 15:04:36
AC	方一帆2	28ms	552 KiB	C++14(O2)	263 Bytes	2025-11-17 18:13:25
AC	乐思尧	28ms	552 KiB	C++14(O2)	263 Bytes	2025-11-19 20:12:10
AC	赵子豪	28ms	556 KiB	C++14(O2)	238 Bytes	2025-11-30 14:57:36
AC	熊梓诺	28ms	740 KiB	C++14(O2)	370 Bytes	2026-2-5 9:23:15
AC	许皓辰	28ms	576 KiB	C++14(O2)	293 Bytes	2025-10-19 15:09:34
AC	龙韵伊	28ms	544 KiB	C++14(O2)	260 Bytes	2025-11-30 15:15:27
AC	王婧涵	28ms	6.2 MiB	C++14(O2)	263 Bytes	2025-9-24 18:07:58
AC	唐浩哲	28ms	552 KiB	C++14(O2)	262 Bytes	2026-1-10 19:04:46
AC	高语轩	28ms	776 KiB	C++14(O2)	268 Bytes	2026-2-2 15:17:28
AC	厉继业	28ms	552 KiB	C++14(O2)	237 Bytes	2026-3-7 9:11:26
AC	邱怡辰	28ms	6.2 MiB	C++14(O2)	383 Bytes	2025-9-14 10:45:47
AC	方一帆	28ms	6.2 MiB	C++14(O2)	307 Bytes	2025-9-14 11:10:59
AC	王力扬	28ms	544 KiB	C++14(O2)	258 Bytes	2025-12-10 21:36:59
AC	康承骏	29ms	544 KiB	C++14(O2)	264 Bytes	2026-1-25 15:21:02
AC	王思博	29ms	548 KiB	C++14(O2)	365 Bytes	2026-1-25 15:10:15
AC	cici	29ms	776 KiB	C++14(O2)	394 Bytes	2026-1-22 15:16:33
AC	邹诗睿	29ms	556 KiB	C++14(O2)	396 Bytes	2026-1-25 14:18:21
AC	聂旭辰	29ms	748 KiB	C++14(O2)	262 Bytes	2026-2-9 14:48:00
AC	陈明睿	29ms	552 KiB	C++14(O2)	267 Bytes	2026-1-24 20:42:38
AC	余昕璇	30ms	548 KiB	C++14(O2)	258 Bytes	2025-10-26 9:16:50
AC	吕明哲	30ms	6.2 MiB	C++14(O2)	332 Bytes	2025-9-27 19:08:36
AC	汪奕非	30ms	552 KiB	C++14(O2)	234 Bytes	2026-2-13 15:59:31
AC	蒲施羽	30ms	552 KiB	C++14(O2)	373 Bytes	2026-1-17 18:16:03
AC	黄己恩	31ms	548 KiB	C++14(O2)	278 Bytes	2025-11-1 17:36:19
AC	王子墨	31ms	6.3 MiB	C++14(O2)	449 Bytes	2025-10-8 13:51:57
AC	叶书豪	31ms	580 KiB	C++14(O2)	386 Bytes	2026-2-6 14:54:35
AC	陈奕可	31ms	6.2 MiB	C++14(O2)	275 Bytes	2025-9-20 15:13:42
AC	钟礼铠	32ms	556 KiB	C++14(O2)	267 Bytes	2026-2-3 14:19:15
AC	王梓腾	32ms	552 KiB	C++14(O2)	246 Bytes	2025-11-1 15:55:19
AC	王嘉怡	33ms	6.2 MiB	C++14(O2)	243 Bytes	2025-9-13 15:55:09
AC	jike1994	38ms	6.2 MiB	C++14(O2)	289 Bytes	2025-9-12 14:17:26