【例4.1】交换两个数的位置

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	肖阳2026dly	3ms	504 KiB	C++14(O2)	188 Bytes	2025-12-30 21:19:52
AC	邓嘉怡2026dly	3ms	492 KiB	C++14(O2)	122 Bytes	2026-1-1 15:59:45
AC	趙婉婷2026dly	3ms	504 KiB	C++14(O2)	194 Bytes	2025-12-28 20:30:52
AC	丘岳翔	3ms	760 KiB	C++14(O2)	168 Bytes	2025-8-17 9:11:03
AC	陈珑予xly2025	3ms	504 KiB	C++14(O2)	176 Bytes	2025-7-4 9:18:10
AC	蔡建宇2026dly	3ms	412 KiB	C++14(O2)	117 Bytes	2025-12-31 22:26:09
AC	宋楷涵2026dly	3ms	504 KiB	C++14(O2)	127 Bytes	2026-1-1 10:43:07
AC	钟辛2026dly	3ms	504 KiB	C++14(O2)	141 Bytes	2025-12-29 21:53:39
AC	史子友	3ms	504 KiB	C++14(O2)	170 Bytes	2025-10-20 11:06:27
AC	沈天宇2026dly	3ms	504 KiB	C++14(O2)	112 Bytes	2026-1-2 21:59:44
AC	严梓瑄	3ms	504 KiB	C++14(O2)	200 Bytes	2025-8-9 19:16:54
AC	刘诗瑶2026dly	3ms	504 KiB	C++14(O2)	124 Bytes	2026-1-2 11:24:51
AC	乃隆	3ms	324 KiB	C++14(O2)	100 Bytes	2025-9-12 16:05:57
AC	汤智钧2026dly	3ms	512 KiB	C++14(O2)	122 Bytes	2026-1-25 16:54:09
AC	何嘉桐2026dly	3ms	504 KiB	C++14(O2)	183 Bytes	2026-1-2 19:02:53
AC	肖毅坤2026dly	3ms	504 KiB	C++14(O2)	116 Bytes	2026-1-1 19:52:17
AC	安致远2026dly	3ms	504 KiB	C++14(O2)	148 Bytes	2025-12-29 20:55:23
AC	黄佳欣2026dly	3ms	504 KiB	C++14(O2)	124 Bytes	2026-1-1 16:44:39
AC	shtian	3ms	536 KiB	C++98	148 Bytes	2024-7-10 20:38:08
AC	徐尔蔓qcx	3ms	504 KiB	C++14(O2)	157 Bytes	2025-7-18 11:26:12
AC	李雨诺129xly2025	3ms	504 KiB	C++14(O2)	106 Bytes	2025-7-4 9:54:06
AC	龙莛元	3ms	512 KiB	C++14(O2)	151 Bytes	2026-3-30 23:03:28
AC	王梓汀	3ms	504 KiB	C++14(O2)	123 Bytes	2025-12-29 20:49:20
AC	韩森同2026dly	3ms	504 KiB	C++14(O2)	165 Bytes	2025-12-30 20:31:45
AC	姚胜蓝	3ms	504 KiB	C++14(O2)	117 Bytes	2025-7-4 9:09:17
AC	罗袖榕2026dly	3ms	504 KiB	C++14(O2)	146 Bytes	2026-1-3 22:37:41
AC	梁书豪2026dly	3ms	504 KiB	C++14(O2)	123 Bytes	2025-12-31 21:24:15
AC	杨珂曦	3ms	536 KiB	C++14(O2)	117 Bytes	2025-9-21 20:43:29
AC	李鸿瑞	3ms	504 KiB	C++14(O2)	122 Bytes	2025-8-17 8:46:38
AC	Oxygen	3ms	504 KiB	C++14	106 Bytes	2025-5-25 17:31:30
AC	周若萱2026dly	3ms	512 KiB	C++14(O2)	115 Bytes	2026-1-22 10:24:45
AC	陶梓萱2026dly	3ms	504 KiB	C++14(O2)	172 Bytes	2026-1-3 20:41:51
AC	马泽宇2026dly	3ms	504 KiB	C++14(O2)	125 Bytes	2026-1-2 10:29:13
AC	王承毅2026dly	3ms	508 KiB	C++14(O2)	121 Bytes	2026-1-4 13:07:35
AC	张霖桐	3ms	508 KiB	C++14(O2)	109 Bytes	2025-7-4 9:55:59
AC	殷骏杰2026dly	3ms	504 KiB	C++14(O2)	110 Bytes	2026-1-3 18:47:46
AC	xzh13579	3ms	512 KiB	C++14(O2)	250 Bytes	2026-1-23 18:34:21
AC	杨茗涵2026dly	3ms	512 KiB	C++14(O2)	116 Bytes	2026-2-1 16:44:50
AC	jinxijun	3ms	504 KiB	C++14	103 Bytes	2025-7-27 14:31:56
AC	奉胤含	3ms	504 KiB	C++14(O2)	125 Bytes	2025-8-17 9:28:53
AC	hmtzl666	3ms	504 KiB	C++14(O2)	171 Bytes	2025-7-4 9:18:56
AC	陈文浩2026dly	3ms	464 KiB	C++14(O2)	105 Bytes	2025-12-28 20:37:15
AC	黄健峰2026dly	3ms	504 KiB	C++14(O2)	121 Bytes	2026-1-10 20:04:55
AC	白力予	3ms	488 KiB	C++14(O2)	131 Bytes	2025-7-4 10:22:21
AC	代轩语2026dly	3ms	508 KiB	C++14(O2)	122 Bytes	2026-1-1 21:34:00
AC	马天佑2026dly	3ms	504 KiB	C++14(O2)	116 Bytes	2025-12-30 19:33:53
AC	李芯燃2026dly	3ms	504 KiB	C++14(O2)	122 Bytes	2026-1-1 15:13:20
AC	丁资凡1.04	3ms	504 KiB	C++14(O2)	112 Bytes	2025-12-27 22:49:34
AC	刘熠辰	3ms	512 KiB	C++14(O2)	100 Bytes	2026-1-15 14:17:22
AC	沈佳骏2026dly	3ms	504 KiB	C++14(O2)	143 Bytes	2025-12-31 21:06:51
AC	刀云皓2026dly	3ms	504 KiB	C++14(O2)	125 Bytes	2025-12-29 21:08:43
AC	李昕司晨2026dly	3ms	680 KiB	C++14(O2)	114 Bytes	2026-1-2 18:53:09
AC	孔劲立2026dly	3ms	508 KiB	C++14(O2)	115 Bytes	2026-1-3 15:32:53
AC	欧阳宇宸2026dly	3ms	504 KiB	C++14(O2)	109 Bytes	2025-12-28 20:53:37
AC	李沐一	3ms	500 KiB	C++14(O2)	125 Bytes	2026-1-28 14:45:26
AC	景天澍	3ms	512 KiB	C++14(O2)	159 Bytes	2026-2-28 19:42:26
AC	李志鹤2025xlycontest	3ms	508 KiB	C++14(O2)	109 Bytes	2025-8-18 10:55:41
AC	李向阳2026dly	3ms	504 KiB	C++14(O2)	210 Bytes	2026-1-3 20:51:53
AC	maochengjun	3ms	336 KiB	C++14	120 Bytes	2025-7-9 15:27:46
AC	马岩2026dly	3ms	764 KiB	C++14(O2)	116 Bytes	2026-1-2 9:36:48
AC	谭皓骞xly2025	3ms	504 KiB	C++14(O2)	112 Bytes	2025-7-5 8:32:30
AC	杨舜淇2026dly	3ms	504 KiB	C++14(O2)	108 Bytes	2026-1-2 22:38:39
AC	赵忠霈2026dly	3ms	764 KiB	C++14(O2)	116 Bytes	2025-12-29 23:18:21
AC	Mr_Wr	3ms	504 KiB	C++14(O2)	129 Bytes	2025-7-4 9:15:28
AC	万千绮2026dly	3ms	512 KiB	C++14(O2)	109 Bytes	2026-1-25 17:01:33
AC	zzy15924600533	3ms	760 KiB	C++14(O2)	119 Bytes	2025-7-20 17:09:03
AC	白一汎xly2025	3ms	504 KiB	C++14(O2)	123 Bytes	2025-7-5 15:42:23
AC	刘小琳2026dly	3ms	512 KiB	C++14(O2)	95 Bytes	2026-1-18 10:08:34
AC	周皓冉	3ms	512 KiB	C++14(O2)	149 Bytes	2026-2-5 14:28:09
AC	吴承锦2026dly	3ms	504 KiB	C++14(O2)	129 Bytes	2026-1-1 12:15:05
AC	ZYJing2012	3ms	504 KiB	C++14(O2)	185 Bytes	2025-7-4 9:45:14
AC	刘原铮2026dly	3ms	504 KiB	C++14(O2)	122 Bytes	2025-12-29 19:34:53
AC	徐诗涵2026dly	3ms	504 KiB	C++14(O2)	168 Bytes	2026-1-2 21:59:41
AC	钟雨辰xly2025	3ms	504 KiB	C++14(O2)	143 Bytes	2025-7-4 9:32:59
AC	郭震宇2026dly	3ms	508 KiB	C++14(O2)	121 Bytes	2026-1-3 20:31:24
AC	马誉纯	3ms	504 KiB	C++14(O2)	109 Bytes	2025-7-5 11:20:09
AC	王芊朗2026dly	3ms	492 KiB	C++14(O2)	123 Bytes	2026-1-1 20:11:00
AC	李铭凯2026dly	3ms	504 KiB	C++14(O2)	164 Bytes	2025-12-28 20:21:06
AC	Musa721	3ms	504 KiB	C++14(O2)	216 Bytes	2025-10-18 16:37:14
AC	陆昊宇	3ms	504 KiB	C++14(O2)	106 Bytes	2025-7-9 19:17:42
AC	胡艺2026dly	3ms	508 KiB	C++14(O2)	123 Bytes	2026-1-3 20:59:24
AC	黄腾钰2026dly	3ms	504 KiB	C++14(O2)	162 Bytes	2025-12-28 20:36:57
AC	郭恒宇2026dly	3ms	504 KiB	C++14(O2)	122 Bytes	2026-1-1 21:37:28
AC	马康智xly2025	3ms	504 KiB	C++14(O2)	121 Bytes	2025-8-7 21:00:31
AC	孙培沂2026dly	3ms	504 KiB	C++14(O2)	188 Bytes	2026-1-2 19:01:00
AC	邵煜翔2026dly	3ms	760 KiB	C++14(O2)	116 Bytes	2026-1-3 22:42:45
AC	万千绮qcx	3ms	504 KiB	C++14(O2)	129 Bytes	2025-7-8 16:56:23
AC	金熙芸2026dly	3ms	504 KiB	C++14(O2)	107 Bytes	2026-1-3 22:34:55
AC	王子铭2026dly	3ms	504 KiB	C++14(O2)	123 Bytes	2026-1-2 18:18:42
AC	欧阳瑞泽2026dly	3ms	504 KiB	C++14(O2)	122 Bytes	2026-1-22 17:18:07
AC	宁雨涵	3ms	504 KiB	C++14(O2)	162 Bytes	2025-8-17 10:29:57
AC	熊钞宇	3ms	504 KiB	C++14(O2)	178 Bytes	2025-8-17 14:44:00
AC	杨锦莲xly2025	3ms	760 KiB	C++14(O2)	102 Bytes	2025-7-4 11:53:23
AC	李昕豫qcx	3ms	504 KiB	C++14(O2)	122 Bytes	2026-1-4 14:36:09
AC	周利华	3ms	504 KiB	C++14(O2)	116 Bytes	2025-8-17 9:30:57
AC	唐源懋2026dly	3ms	496 KiB	C++14(O2)	103 Bytes	2026-1-3 17:29:38
AC	taoruiguo120	3ms	504 KiB	C++14	113 Bytes	2025-7-17 19:06:42
AC	孟致远2026dly	3ms	760 KiB	C++14(O2)	125 Bytes	2025-12-30 19:30:39
AC	李江蒙	3ms	504 KiB	C++14(O2)	120 Bytes	2025-10-21 10:37:30
AC	duobei	3ms	504 KiB	C++14	123 Bytes	2025-5-29 23:10:23