查找一个数是否存在

状态	递交者	时间	内存	语言	代码	递交时间
AC	张泽宇1	2511ms	20.4 MiB	C++14(O2)	483 Bytes	2026-1-25 18:31:53
AC	欧柏焘	2518ms	19.8 MiB	C++14(O2)	572 Bytes	2026-4-1 16:42:44
AC	dingzhedong	2529ms	20.4 MiB	C++14(O2)	414 Bytes	2026-1-25 18:28:55
AC	朱恩良	2539ms	20.4 MiB	C++14(O2)	476 Bytes	2026-1-31 23:06:49
AC	谭埑楠	2547ms	20.6 MiB	C++14(O2)	864 Bytes	2025-10-5 21:41:21
AC	叶子邢	2627ms	19.8 MiB	C++14(O2)	694 Bytes	2026-2-1 15:53:13
AC	吴博涵	2688ms	19.8 MiB	C++14	716 Bytes	2026-1-18 21:41:00
AC	陶逸宸	2700ms	36.9 MiB	C++14(O2)	362 Bytes	2026-2-8 10:40:50
AC	wjy	3760ms	21.3 MiB	C++11	469 Bytes	2025-5-4 13:13:27
AC	yuhaiyue	3875ms	20.8 MiB	C++14(O2)	355 Bytes	2025-10-25 12:12:50
AC	13815950720	3957ms	20.5 MiB	C++14(O2)	386 Bytes	2025-10-25 12:16:19
AC	罗悦荧	3969ms	20.4 MiB	C++14(O2)	279 Bytes	2026-1-22 21:32:01
AC	wangleran1	3971ms	20.5 MiB	C++14(O2)	445 Bytes	2025-10-25 12:13:52
AC	温轩睿	3981ms	20.7 MiB	C++14(O2)	392 Bytes	2025-10-25 12:15:07
AC	罗一宸	3986ms	20.4 MiB	C++14(O2)	469 Bytes	2025-10-25 21:03:58
AC	qinzirui	3986ms	20.4 MiB	C++14(O2)	347 Bytes	2025-10-25 12:15:27
AC	huyuanxi	3997ms	20.7 MiB	C++14(O2)	372 Bytes	2025-10-25 12:13:11
AC	13806699207	4000ms	20.5 MiB	C++14(O2)	324 Bytes	2025-10-12 18:20:22
AC	baiyongcheng	4003ms	20.5 MiB	C++14(O2)	351 Bytes	2025-10-12 18:17:20
AC	向宇泽	4004ms	22.9 MiB	C++14(O2)	361 Bytes	2026-2-1 20:24:35
AC	周沈煜	4008ms	20.5 MiB	C++14(O2)	356 Bytes	2025-10-25 12:12:59
AC	stx	4014ms	20.4 MiB	C++14(O2)	360 Bytes	2025-10-25 21:04:17
AC	王一繁	4023ms	20.6 MiB	C++14(O2)	433 Bytes	2026-1-17 10:43:58
AC	雷峻晖111	4035ms	19.9 MiB	C++14(O2)	618 Bytes	2026-1-23 15:10:40
AC	唐游川	4042ms	20.7 MiB	C++14(O2)	386 Bytes	2025-10-25 21:06:01
AC	朱天勤	4045ms	37.4 MiB	C++14(O2)	309 Bytes	2026-1-17 9:43:21
AC	刁崇皓	4064ms	20.6 MiB	C++14(O2)	254 Bytes	2026-3-13 20:29:06
AC	窦婧瑄	4070ms	20.5 MiB	C++14(O2)	518 Bytes	2026-1-17 17:59:52
AC	15864560799	4077ms	37.3 MiB	C++14(O2)	380 Bytes	2025-10-12 18:18:55
AC	朱延培	4077ms	20.5 MiB	C++14(O2)	626 Bytes	2026-1-11 18:49:21
AC	13601350616	4125ms	20.7 MiB	C++14(O2)	477 Bytes	2026-2-7 19:07:48
AC	17319228851	4128ms	23.1 MiB	C++14(O2)	520 Bytes	2025-5-11 18:28:33
AC	汪久钧	4131ms	37.6 MiB	C++14(O2)	367 Bytes	2025-5-4 20:46:34
AC	付清尘	4144ms	37.3 MiB	C++14(O2)	436 Bytes	2026-2-1 11:36:19
AC	liutingrui	4174ms	37.2 MiB	C++14(O2)	436 Bytes	2026-1-31 10:26:20
AC	王羿臻	4217ms	37.3 MiB	C++14(O2)	458 Bytes	2026-3-21 13:18:00
AC	root	4225ms	37.4 MiB	C++14(O2)	460 Bytes	2026-1-16 16:23:34
AC	高宇茗1	4226ms	37.3 MiB	C++14(O2)	460 Bytes	2026-1-28 14:16:12