【例4.1】交换两个数的位置

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	付悠悠2026dly	3ms	504 KiB	C++14(O2)	122 Bytes	2026-1-1 10:36:24
AC	王研钧2026dly	3ms	504 KiB	C++14(O2)	115 Bytes	2026-1-5 22:38:55
AC	刘诗瑶qcx	3ms	504 KiB	C++14(O2)	131 Bytes	2025-7-7 9:36:46
AC	姚辰x1y2025	3ms	360 KiB	C++17(O2)	96 Bytes	2026-1-15 14:23:56
AC	黄厚铭2026dly	3ms	504 KiB	C++14(O2)	98 Bytes	2025-12-31 21:27:39
AC	王子尧2026dly	3ms	512 KiB	C++14(O2)	186 Bytes	2026-1-22 20:42:20
AC	李曦阳2026dly	3ms	504 KiB	C++14(O2)	123 Bytes	2026-1-2 10:23:42
AC	张隽语xly2025	3ms	504 KiB	C++14(O2)	131 Bytes	2025-7-4 9:17:29
AC	王程民2026dly	3ms	504 KiB	C++14(O2)	127 Bytes	2025-12-31 18:34:23
AC	张宸语2026dly	3ms	504 KiB	C++14(O2)	138 Bytes	2026-1-3 11:05:30
AC	周宝熠xly2025	3ms	508 KiB	C++14(O2)	171 Bytes	2025-7-4 9:45:29
AC	_anguanie_	3ms	504 KiB	C++14(O2)	112 Bytes	2025-7-4 9:10:01
AC	朱璟堂2026dly	3ms	760 KiB	C++14(O2)	198 Bytes	2025-12-29 23:23:55
AC	严晨倪2026dly	3ms	504 KiB	C++14(O2)	122 Bytes	2025-12-28 22:43:43
AC	黄琨淇	3ms	512 KiB	C++14(O2)	176 Bytes	2026-2-8 16:40:57
AC	陈泓任2026dly	3ms	504 KiB	C++14(O2)	117 Bytes	2025-12-29 13:17:55
AC	Zzzzsd	3ms	508 KiB	C++14	115 Bytes	2025-8-6 0:29:59
AC	罗川皓xly2025	3ms	504 KiB	C++14(O2)	128 Bytes	2025-7-4 10:10:56
AC	祝语墨2026dly	3ms	760 KiB	C++14(O2)	199 Bytes	2026-1-4 20:57:28
AC	杨洋2026dly	3ms	504 KiB	C++14(O2)	121 Bytes	2025-12-29 23:41:43
AC	Harry	3ms	504 KiB	C++14	120 Bytes	2025-7-24 16:47:35
AC	吴承丞2026dly	3ms	504 KiB	C++14(O2)	132 Bytes	2026-1-2 12:02:47
AC	赵婧文2026dly	3ms	504 KiB	C++14(O2)	117 Bytes	2026-1-3 20:27:08
AC	张清果2026dly	3ms	504 KiB	C++14(O2)	123 Bytes	2026-1-2 19:58:17
AC	后程兮qcx	3ms	504 KiB	C++14(O2)	142 Bytes	2025-7-11 11:05:07
AC	邓旭尧2026dly	3ms	504 KiB	C++14(O2)	130 Bytes	2026-1-3 16:13:25
AC	叶梓希2026dly	3ms	492 KiB	C++14(O2)	108 Bytes	2026-1-2 18:48:57
AC	罗子嫣2026dly	3ms	504 KiB	C++14(O2)	191 Bytes	2026-1-3 16:18:10
AC	丁资凡2026dly	3ms	392 KiB	C++14(O2)	122 Bytes	2025-12-28 20:31:11
AC	陈姝瑜	3ms	504 KiB	C++14(O2)	128 Bytes	2025-8-17 9:56:11
AC	朱梓恒2026dly	3ms	504 KiB	C++14(O2)	136 Bytes	2025-12-31 13:02:18
AC	戴俊懿2026dly	3ms	516 KiB	C++14(O2)	132 Bytes	2026-1-17 20:38:02
AC	商竣杰2026dly	3ms	504 KiB	C++14(O2)	110 Bytes	2026-1-7 21:58:41
AC	刘锦洁2026dly	3ms	496 KiB	C++14(O2)	115 Bytes	2025-12-30 21:03:55
AC	黄也洛	3ms	760 KiB	C++14(O2)	124 Bytes	2025-12-28 15:29:37
AC	Lyd1107	3ms	504 KiB	C++14	176 Bytes	2025-7-22 17:55:59
AC	张鳅月	3ms	504 KiB	C++14(O2)	166 Bytes	2025-8-17 9:55:33
AC	李穆萨1.04	3ms	504 KiB	C++14(O2)	111 Bytes	2025-7-9 14:20:00
AC	李梓萱2026dly	3ms	304 KiB	C++14(O2)	116 Bytes	2026-1-3 12:02:38
AC	祝语梵2026dly	3ms	504 KiB	C++14(O2)	180 Bytes	2026-1-3 11:36:37
AC	李锦华	3ms	504 KiB	C++14(O2)	183 Bytes	2025-7-24 19:30:51
AC	Mch121018	3ms	512 KiB	C++17(O2)	519 Bytes	2026-1-15 17:19:44
AC	刘胤羽2026dly	3ms	504 KiB	C++14(O2)	122 Bytes	2026-1-3 12:24:11
AC	龙肖瑾xly2025	3ms	512 KiB	C++14(O2)	122 Bytes	2026-1-15 14:04:18
AC	王梓龙2026dly	3ms	504 KiB	C++14(O2)	148 Bytes	2026-1-3 13:45:13
AC	胡致远2026dly	3ms	504 KiB	C++14(O2)	111 Bytes	2025-12-30 19:09:09
AC	张钧涵2026dly	3ms	772 KiB	C++14(O2)	112 Bytes	2026-1-3 20:10:49
AC	程俊皓1.04	3ms	508 KiB	C++14(O2)	116 Bytes	2025-12-28 15:35:25
AC	许家畅xly2025	3ms	444 KiB	C++14(O2)	117 Bytes	2025-7-4 9:27:38
AC	穆政辰2026dly	3ms	504 KiB	C++14(O2)	186 Bytes	2026-1-3 21:12:15
AC	廖吉洪	3ms	504 KiB	C++14(O2)	174 Bytes	2025-12-29 14:26:50
AC	李科良	3ms	512 KiB	C++14(O2)	126 Bytes	2026-2-27 19:51:20
AC	马荣宣2026dly	3ms	504 KiB	C++14(O2)	124 Bytes	2025-12-28 20:08:26
AC	杨晨希xly2025	3ms	504 KiB	C++14(O2)	106 Bytes	2025-7-4 10:00:07
AC	李奕麒2026dly	3ms	512 KiB	C++14(O2)	164 Bytes	2026-1-24 15:58:56
AC	饶子和2026dly	3ms	504 KiB	C++14(O2)	187 Bytes	2026-1-3 10:21:55
AC	卢子轩2026dly	3ms	504 KiB	C++14(O2)	171 Bytes	2025-12-28 18:45:43
AC	root	3ms	504 KiB	C++14(O2)	171 Bytes	2025-12-28 15:49:04
AC	王思懿	3ms	504 KiB	C++14(O2)	129 Bytes	2025-7-4 9:26:11
AC	向奕锦1.04	3ms	500 KiB	C++14(O2)	179 Bytes	2026-1-4 19:47:29
AC	李依霏2026dly	3ms	504 KiB	C++14(O2)	186 Bytes	2026-1-2 11:54:08
AC	马梓桐2026dly	3ms	504 KiB	C++14(O2)	124 Bytes	2025-12-29 23:42:57
AC	曹天齐	3ms	504 KiB	C++14(O2)	174 Bytes	2025-8-17 9:10:03
AC	钱颢文2026dly	3ms	508 KiB	C++14(O2)	117 Bytes	2026-1-1 22:00:46
AC	刘喻蔓	3ms	504 KiB	C++14(O2)	163 Bytes	2025-7-4 9:36:13
AC	郭子怡2026dly	3ms	508 KiB	C++14(O2)	119 Bytes	2025-12-31 20:58:58
AC	杨清冉2026dly	3ms	504 KiB	C++17(O2)	124 Bytes	2026-1-1 16:46:26
AC	王冠楠xly2025	3ms	504 KiB	C++14(O2)	159 Bytes	2025-7-4 9:30:19
AC	宗源卿2026dly	3ms	504 KiB	C++14(O2)	126 Bytes	2026-1-1 16:10:18
AC	李钰浩2026dly	3ms	504 KiB	C++14(O2)	178 Bytes	2026-1-2 13:13:24
AC	李衍树xly2025	3ms	504 KiB	C++14(O2)	107 Bytes	2025-7-4 9:43:05
AC	许默xly2025	3ms	504 KiB	C++14(O2)	106 Bytes	2025-7-4 9:52:47
AC	冯俊诚	3ms	504 KiB	C++14(O2)	121 Bytes	2025-8-13 14:17:44
AC	彭子尧2026dly	3ms	504 KiB	C++14(O2)	115 Bytes	2026-1-3 14:15:29
AC	方晨州2026dly	3ms	508 KiB	C++14(O2)	102 Bytes	2025-12-28 12:20:25
AC	唐嘉慧2026dly	3ms	508 KiB	C++14(O2)	100 Bytes	2025-12-31 22:37:41
AC	黄玮辰2026dly	3ms	504 KiB	C++14(O2)	114 Bytes	2026-1-3 21:27:15
AC	何子琛2026dly	3ms	504 KiB	C++14(O2)	115 Bytes	2025-12-29 21:51:42
AC	李轩逸xly2025	3ms	504 KiB	C++14(O2)	112 Bytes	2025-7-4 9:45:10
AC	牛犇2026dly	3ms	388 KiB	C++14(O2)	192 Bytes	2025-12-28 21:05:48
AC	曾彦彬contest	3ms	504 KiB	C++14(O2)	104 Bytes	2025-7-11 15:20:27
AC	马语墨2026dly	3ms	504 KiB	C++14(O2)	170 Bytes	2025-12-28 19:28:26
AC	zzx	3ms	504 KiB	C++14	126 Bytes	2025-7-22 18:20:26
AC	肖钰曦	3ms	508 KiB	C++14(O2)	183 Bytes	2025-8-7 19:36:14
AC	黄昭明xly2025	3ms	504 KiB	C++14(O2)	117 Bytes	2025-7-7 8:36:17
AC	沈若凡2026dly	3ms	512 KiB	C++14(O2)	180 Bytes	2025-12-30 20:55:19
AC	何庭杨xly2025	3ms	504 KiB	C++14(O2)	114 Bytes	2026-1-3 17:16:35
AC	刘宥杋2026dly	3ms	484 KiB	C++14(O2)	147 Bytes	2026-1-3 21:51:50
AC	李承兴2026dly	3ms	504 KiB	C++14(O2)	157 Bytes	2025-12-28 22:27:11
AC	张舒扬2026dly	3ms	504 KiB	C++14(O2)	112 Bytes	2026-1-2 15:24:11
AC	米若瑜2026dly	3ms	504 KiB	C++14(O2)	188 Bytes	2026-1-2 22:11:46
AC	gfgg	3ms	504 KiB	C++14(O2)	314 Bytes	2025-5-26 11:12:25
AC	赵梓辰2026dly	3ms	512 KiB	C++14(O2)	114 Bytes	2026-2-1 13:45:43
AC	杨孟庄2026dly	3ms	504 KiB	C++14(O2)	120 Bytes	2026-1-3 19:32:07
AC	董涵铮	3ms	760 KiB	C++14(O2)	104 Bytes	2025-7-4 9:56:42
AC	邵馨羽2026dly	3ms	512 KiB	C++14(O2)	109 Bytes	2026-1-23 10:25:35
AC	许然车	3ms	504 KiB	C++14(O2)	126 Bytes	2025-8-17 9:54:53
AC	严梓绮2026dly	3ms	504 KiB	C++14(O2)	134 Bytes	2026-1-1 23:23:28
AC	田馨月2026dly	3ms	504 KiB	C++14(O2)	152 Bytes	2026-1-3 19:44:58
AC	杨家齐xly2025	3ms	504 KiB	C++17(O2)	98 Bytes	2025-12-28 22:31:44