【二分1】查询是否存在某个数

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	木犀	4879ms	22 MiB	Python 3	754 Bytes	2026-8-17 15:15:26
AC	CodeFuned9cf729df	4892ms	22.1 MiB	Python 3	734 Bytes	2026-10-8 11:29:41
AC	ooUzn4tksD	4897ms	22.1 MiB	Python	413 Bytes	2026-10-7 19:34:51
AC	Ry2000	4905ms	22.1 MiB	Python 3	386 Bytes	2026-8-25 23:55:34
AC	DfFejaLUs3	4909ms	22.1 MiB	Python 3	407 Bytes	2026-8-13 15:26:39
AC	HKpLaKS8Ah	4909ms	22 MiB	Python	525 Bytes	2026-9-20 15:54:28
AC	好学的骑士	4923ms	22 MiB	Python 3	436 Bytes	2026-8-16 16:19:25
AC	无畏的帆船3441	4935ms	22.1 MiB	Python 3	370 Bytes	2026-10-13 11:38:17
AC	szjTxU6Me4	4949ms	22.1 MiB	Python	443 Bytes	2026-10-9 15:59:13
AC	睿智的橘猫	4950ms	22 MiB	Python 3	457 Bytes	2026-9-5 21:29:31
AC	iCDPfki0CK	4955ms	22.1 MiB	Python 3	459 Bytes	2026-10-9 14:44:11
AC	p9SX9zWMZo	4955ms	22 MiB	Python 3	458 Bytes	2026-6-7 21:03:53
AC	U09R2IOiqs	4958ms	22.1 MiB	Python 3	429 Bytes	2026-8-22 16:59:01
AC	快乐的山泉6496	4959ms	22.1 MiB	Python	431 Bytes	2026-10-2 23:51:49
AC	进取的奶茶8834	4965ms	22 MiB	Python 3	433 Bytes	2026-10-12 18:27:59
AC	敏锐的白鹭	4987ms	22 MiB	Python	440 Bytes	2026-8-28 11:24:42
AC	cK2Ci1doPT	4994ms	94.9 MiB	Java	1.4 KiB	2026-9-14 15:34:27
AC	潇洒的面包4715	4997ms	22.1 MiB	Python	451 Bytes	2026-9-23 15:37:54
AC	逐梦的吉他	5007ms	22 MiB	Python 3	1 KiB	2026-8-30 1:55:00
AC	Azu	5015ms	22.1 MiB	Python 3	440 Bytes	2026-10-20 21:15:23
AC	CodeFunbd04fc320a	5044ms	22 MiB	Python 3	438 Bytes	2026-9-1 17:22:09
AC	Ngrt5DZNa3	5058ms	22.1 MiB	Python 3	500 Bytes	2026-8-12 22:12:06
AC	好学的小猫3716	5068ms	22.1 MiB	Python 3	442 Bytes	2026-10-10 19:46:37
AC	闪光的狐狸9880	5079ms	22.1 MiB	Python	462 Bytes	2026-10-15 0:17:28
AC	nWSPkLBwGa	5080ms	22.1 MiB	Python 3	438 Bytes	2026-9-13 22:03:13
AC	治愈的奶茶7454	5084ms	22.1 MiB	Python	369 Bytes	2026-10-12 11:04:37
AC	奔跑的桃子7952	5111ms	22.1 MiB	Python 3	407 Bytes	2026-10-13 23:51:12
AC	闪亮的狐狸5147	5121ms	22 MiB	Python 3	427 Bytes	2026-10-17 14:21:11
AC	自由的沙丘9922	5123ms	22.1 MiB	Python 3	455 Bytes	2026-10-21 17:02:33
AC	Mazzer	5132ms	22.1 MiB	Python	451 Bytes	2026-9-12 17:17:47
AC	积极的灯塔	5140ms	22 MiB	Python 3	478 Bytes	2026-9-3 14:53:30
AC	mtxuQE5J1m	5159ms	97 MiB	Java	1.2 KiB	2026-5-7 14:16:37
AC	Fungwong	5169ms	15.1 MiB	Python 3	368 Bytes	2026-3-27 11:55:08
AC	可靠的鸽子3444	5178ms	22 MiB	Python 3	393 Bytes	2026-9-25 14:00:24
AC	Qyz9Z5s0qn	5182ms	22.1 MiB	Python 3	439 Bytes	2026-8-12 20:16:56
AC	热血的汤圆4987	5203ms	22.1 MiB	Python 3	437 Bytes	2026-10-10 11:05:12
AC	敏锐的浪花	5204ms	33.3 MiB	Python 3	617 Bytes	2026-9-8 16:45:24
AC	rNDm0pxi4Q	5212ms	22.1 MiB	Python 3	456 Bytes	2026-8-20 3:14:40
AC	CodeFunc893ad4de1	5213ms	199.1 MiB	PyPy3	601 Bytes	2025-8-31 2:34:17
AC	6JhxMyUF2S	5253ms	22 MiB	Python 3	461 Bytes	2026-6-19 10:17:42
AC	sQYKHzFvse	5255ms	22 MiB	Python 3	426 Bytes	2026-8-26 16:00:48
AC	穿云白鹤	5255ms	22.1 MiB	Python 3	446 Bytes	2026-9-15 15:56:19
AC	闪亮的沙丘3801	5262ms	22.1 MiB	Python	433 Bytes	2026-10-15 21:00:20
AC	uZ9YNcK8OW	5287ms	22.1 MiB	Python 3	471 Bytes	2026-9-10 15:01:12
AC	无畏的山泉4828	5289ms	22.1 MiB	Python 3	483 Bytes	2026-9-27 23:48:44
AC	CodeFunc96d3c8368	5306ms	22.1 MiB	Python 3	448 Bytes	2026-9-7 20:27:53
AC	vcuJNQ1Jj5	5324ms	22 MiB	Python 3	417 Bytes	2026-8-17 14:44:15
AC	追风的桃子6485	5329ms	22 MiB	Python 3	480 Bytes	2026-9-14 19:59:25
AC	4LOTTtrzBV	5342ms	22 MiB	Python 3	470 Bytes	2026-6-5 15:23:03
AC	正直的云朵4852	5344ms	22 MiB	Python 3	462 Bytes	2026-10-14 10:32:47
AC	yA9qBtxDPM	5346ms	22.1 MiB	Python 3	350 Bytes	2026-7-9 20:52:02
AC	M771ngVu71	5346ms	22 MiB	Python 3	391 Bytes	2026-8-26 20:25:22
AC	Hyperloop	5388ms	22 MiB	Python 3	447 Bytes	2026-8-10 18:42:15
AC	nPaVYZBEmD	5435ms	22.1 MiB	Python 3	407 Bytes	2026-9-19 20:56:27
AC	上官昭仪	5442ms	22.1 MiB	Python 3	344 Bytes	2026-10-8 22:26:32
AC	自由的相机	5446ms	22 MiB	Python 3	475 Bytes	2026-9-3 16:11:14
AC	kumakuma1024	5465ms	22 MiB	Python 3	374 Bytes	2026-9-20 10:21:01
AC	无聊小笨蛋	5465ms	22.1 MiB	Python 3	461 Bytes	2026-10-8 16:16:00
AC	认真的鲸鱼8688	5477ms	21.9 MiB	Python 3	490 Bytes	2026-10-28 0:05:56
AC	执着的星光3818	5563ms	22 MiB	Python	577 Bytes	2026-10-5 16:49:48
AC	追风的考拉4932	5585ms	22 MiB	Python 3	439 Bytes	2026-10-14 17:50:42
AC	小川彩	5622ms	22 MiB	Python 3	445 Bytes	2026-8-25 19:46:19
AC	xx	5634ms	21.9 MiB	Python 3	390 Bytes	2026-9-2 20:59:55
AC	甜美的银杏	5666ms	21.9 MiB	Python 3	423 Bytes	2026-9-1 16:25:15
AC	踏实的浪花6158	5674ms	26.4 MiB	Python 3	444 Bytes	2026-10-14 23:04:46
AC	狄拉克之海的涟漪	5687ms	22.1 MiB	Python 3	418 Bytes	2026-8-17 0:16:27
AC	v0uEkomn3d	5711ms	21.9 MiB	Python 3	405 Bytes	2026-9-2 13:49:44
AC	爱笑的毛毛虫	5747ms	22.2 MiB	Python 3	583 Bytes	2026-8-13 15:32:34
AC	潇洒的浣熊8935	5761ms	22 MiB	Python 3	495 Bytes	2026-10-7 15:18:27
AC	睿智的狐狸	5778ms	21.9 MiB	Python	968 Bytes	2026-8-31 15:05:51
AC	慢吞吞的山茶1855	5817ms	22.1 MiB	Python 3	683 Bytes	2026-9-16 15:36:31
AC	痒痒的	6091ms	21.9 MiB	Python	411 Bytes	2026-8-31 21:08:49
AC	MAN！	6212ms	199.3 MiB	PyPy3	711 Bytes	2025-6-16 2:02:08
AC	oqiHmUKYyz	6222ms	22 MiB	Python	394 Bytes	2026-7-27 15:58:23
AC	FnWnnlDopv	6878ms	146.6 MiB	Java	1017 Bytes	2026-10-22 13:20:50
AC	正直的布偶	7840ms	157.5 MiB	Java	1 KiB	2026-10-4 10:39:20