第3题-寻找数组中只出现过一次的数字

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	wyk	66ms	7.2 MiB	C++11	436 Bytes	2026-3-28 21:58:51
AC	rt06MYwxmi	244ms	8.6 MiB	Golang	479 Bytes	2026-8-12 12:36:17
AC	erase	328ms	8.7 MiB	C++17	688 Bytes	2026-4-4 14:35:55
AC	EYYTxF7IiB	367ms	32.4 MiB	Python 3	535 Bytes	2026-3-31 5:20:19
AC	CodeFun0516dd624e	390ms	32.5 MiB	Python 3	338 Bytes	2026-8-23 0:22:07
AC	bxLQVoBxRl	390ms	32.6 MiB	Python 3	459 Bytes	2026-4-1 13:53:51
AC	CodeFunf287958d4e	395ms	32.6 MiB	Python 3	447 Bytes	2026-7-7 0:22:52
AC	gt01QNYKMn	419ms	32.7 MiB	Python 3	453 Bytes	2026-8-16 10:39:08
AC	lsl4EJqSZr	422ms	32.5 MiB	Python 3	319 Bytes	2026-8-21 21:25:02
AC	FKl1lijxN8	431ms	32.5 MiB	Python 3	746 Bytes	2026-8-11 16:48:17
AC	arZLD5dvn2	435ms	32.9 MiB	Python 3	353 Bytes	2026-8-11 12:43:45
AC	VNtqHBo2iT	441ms	32.6 MiB	Python 3	219 Bytes	2026-8-15 15:13:22
AC	7TWiLBDt2Z	443ms	32.6 MiB	Python 3	539 Bytes	2026-8-15 16:31:25
AC	WU8p3TWRPq	455ms	32.4 MiB	Python 3	575 Bytes	2026-4-17 0:00:37
AC	ug3TLtxlti	461ms	32.5 MiB	Python 3	478 Bytes	2026-8-10 14:51:24
AC	PFs7vK3nNx	487ms	32.7 MiB	Python 3	209 Bytes	2026-8-10 20:05:33
AC	m3arNPGc4u	489ms	32.6 MiB	Python 3	390 Bytes	2026-8-7 22:05:19
AC	kGh3rjfTol	492ms	32.6 MiB	Python 3	249 Bytes	2026-4-22 10:01:03
AC	gpAG5tNE4D	522ms	32.6 MiB	Python 3	347 Bytes	2026-5-13 15:16:17
AC	umXlFXwbAU	553ms	32.4 MiB	Python 3	301 Bytes	2026-8-19 11:58:47
AC	C2BIeHdLm4	597ms	32.6 MiB	Python 3	286 Bytes	2026-8-17 21:01:54
AC	nEKeezV3X0	607ms	32.6 MiB	Python 3	256 Bytes	2026-8-22 19:57:15
AC	ydaSOranfy	690ms	32.6 MiB	Python 3	298 Bytes	2026-8-22 20:03:51
AC	WRJEJcU758	1310ms	114.3 MiB	PyPy3	381 Bytes	2026-3-29 10:17:21
AC	0hzxKaZjcv	1337ms	101.1 MiB	PyPy3	221 Bytes	2026-3-31 10:58:41
AC	TaZi	1643ms	78.9 MiB	Java	1.4 KiB	2026-3-28 20:28:36
AC	iuCwzoARhF	1913ms	73.4 MiB	Java	806 Bytes	2026-8-11 13:46:48