【例4.1】交换两个数的位置

状态	递交者	时间	内存	语言	代码	递交时间
AC	{"group":"周六上午10点" (吴楷睿)	1ms	504 KiB	C++14(O2)	136 Bytes	2025-8-6 16:51:40
AC	左修远	2ms	488 KiB	C++14(O2)	174 Bytes	2025-7-23 9:39:01
AC	{"group":"周六上午10点" (余锦辰)	2ms	504 KiB	C++14(O2)	100 Bytes	2025-7-25 15:23:58
AC	GESP (顾益诚)	2ms	504 KiB	C++14(O2)	114 Bytes	2025-7-17 14:47:28
AC	韩宥哲	2ms	356 KiB	C++14(O2)	106 Bytes	2025-7-14 8:40:59
AC	☺刷题快乐！！！ (朱浩晨)	2ms	512 KiB	C++14(O2)	111 Bytes	2026-4-16 20:29:25
AC	yaoliyidan	2ms	504 KiB	C++11	111 Bytes	2025-8-15 11:39:08
AC	常博文	2ms	504 KiB	C++14(O2)	118 Bytes	2025-10-13 21:35:13
AC	曹宸梓祺	2ms	512 KiB	C++14(O2)	163 Bytes	2026-3-27 20:38:30
AC	张沐	2ms	504 KiB	C++14(O2)	111 Bytes	2025-7-6 22:27:45
AC	龙的传人 (zyf) E (湛易峰)	2ms	508 KiB	C++14(O2)	109 Bytes	2025-12-7 18:01:29
AC	吕晨宇	2ms	536 KiB	C++14(O2)	115 Bytes	2025-7-5 10:34:58
AC	!@#$#^ (孙乐阳)	2ms	508 KiB	C++14(O2)	178 Bytes	2025-6-26 21:35:15
AC	陈若天1	2ms	512 KiB	C++14(O2)	161 Bytes	2026-3-15 20:58:52
AC	陈歆玥	2ms	512 KiB	C++14(O2)	105 Bytes	2026-6-8 22:03:22
AC	杜劭晴	2ms	356 KiB	C++14(O2)	111 Bytes	2025-7-2 20:09:17
AC	wqq	2ms	504 KiB	C++98	125 Bytes	2025-8-9 15:46:10
AC	{"group":"周六上午10点" (骆骁宇)	2ms	504 KiB	C++14(O2)	104 Bytes	2025-8-9 10:29:12
AC	汪浩然	2ms	504 KiB	C++14(O2)	121 Bytes	2025-7-15 11:41:59
AC	猫小九 (何徽珩)	2ms	508 KiB	C++14(O2)	137 Bytes	2026-4-14 20:19:09
AC	丁思淼	2ms	348 KiB	C++14(O2)	116 Bytes	2025-11-12 13:25:30
AC	yaoqizhe	2ms	504 KiB	C++14(O2)	108 Bytes	2025-7-23 11:26:18
AC	石以珩	3ms	512 KiB	C++14(O2)	156 Bytes	2026-4-6 12:25:30
AC	无 (何夏璞)	3ms	512 KiB	C++14(O2)	129 Bytes	2026-4-14 20:44:43
AC	温喜颜	3ms	512 KiB	C++14(O2)	98 Bytes	2026-5-25 20:40:19
AC	徐老师	3ms	504 KiB	C++14(O2)	193 Bytes	2025-6-18 18:47:15
AC	李承宇	3ms	504 KiB	C++14(O2)	131 Bytes	2025-12-30 21:14:39
AC	jhaew rnfbc WHGLE RYGHDFW89 (郭昌言)	3ms	512 KiB	C++14(O2)	91 Bytes	2026-4-18 20:50:19
AC	钟知航	3ms	760 KiB	C++14(O2)	123 Bytes	2025-6-16 13:15:35
AC	liyaoyanlin	3ms	504 KiB	C++98	113 Bytes	2025-4-5 20:18:31
AC	赵远航1	3ms	336 KiB	C++14(O2)	160 Bytes	2026-4-25 21:31:15
AC	冯锐阳	3ms	448 KiB	C++14(O2)	126 Bytes	2025-7-4 16:57:37
AC	邹济凡	3ms	392 KiB	C++14(O2)	168 Bytes	2026-3-29 10:22:09
AC	傅祺智	3ms	512 KiB	C++14(O2)	102 Bytes	2026-5-28 21:20:28
AC	孙瑞泽	3ms	504 KiB	C++14(O2)	112 Bytes	2025-8-22 14:57:24
AC	(李欣泽)	3ms	504 KiB	C++14(O2)	180 Bytes	2025-6-18 19:00:46
AC	刘东林	3ms	512 KiB	C++14(O2)	151 Bytes	2026-3-22 9:56:41
AC	程宜静1	3ms	512 KiB	C++14(O2)	156 Bytes	2026-3-18 22:21:27
AC	张思睿1	3ms	520 KiB	C++14(O2)	160 Bytes	2026-3-10 22:26:33
AC	༺ཌༀ༒ཉི࿈༃༒ༀད༻ (洪明轩)	3ms	504 KiB	C++14(O2)	119 Bytes	2025-7-4 12:11:21
AC	房子杰1	3ms	516 KiB	C++14(O2)	169 Bytes	2026-3-12 17:43:00
AC	林嘉骥	3ms	504 KiB	C++14(O2)	131 Bytes	2025-7-2 16:19:00
AC	周恬愉	3ms	512 KiB	C++14(O2)	112 Bytes	2026-4-23 21:40:07
AC	刘酉辰1	3ms	512 KiB	C++14(O2)	150 Bytes	2026-3-19 17:13:00
AC	杨博睿	3ms	508 KiB	C++14(O2)	101 Bytes	2025-8-10 15:21:31
AC	丁可文颉	3ms	508 KiB	C++14(O2)	171 Bytes	2025-6-29 9:26:55
AC	孙紫轩	3ms	504 KiB	C++14(O2)	161 Bytes	2025-11-18 18:31:21
AC	zhaozhiyu	3ms	512 KiB	C++14(O2)	160 Bytes	2026-4-18 10:08:23
AC	唐之之	3ms	512 KiB	C++14(O2)	108 Bytes	2026-3-26 17:47:17
AC	6666.66 (wangyinan)	3ms	512 KiB	C++14(O2)	244 Bytes	2026-3-12 20:56:34
AC	闪天鸿	3ms	504 KiB	C++14(O2)	145 Bytes	2025-7-12 19:41:41
AC	周浩荣	3ms	504 KiB	C++14(O2)	228 Bytes	2025-7-1 14:24:17
AC	潘庆宸	3ms	512 KiB	C++14(O2)	154 Bytes	2026-4-19 16:30:56
AC	litianrui	3ms	508 KiB	C++11	90 Bytes	2025-7-23 16:57:32
AC	chy陈浩洋 (陈浩洋)	3ms	504 KiB	C++14(O2)	109 Bytes	2025-8-12 20:51:00
AC	汤乾	3ms	512 KiB	C++14(O2)	150 Bytes	2026-4-23 21:25:29
AC	王家芮	3ms	512 KiB	C++14(O2)	149 Bytes	2026-4-18 17:12:01
AC	小陈同学 (陈李钰)	3ms	504 KiB	C++14(O2)	103 Bytes	2025-12-21 16:31:48
AC	许逸凡1	3ms	512 KiB	C++14(O2)	175 Bytes	2026-3-12 17:50:03
AC	王钟佑1	3ms	512 KiB	C++14(O2)	157 Bytes	2026-3-18 22:18:03
AC	左沛霖	3ms	512 KiB	C++14(O2)	160 Bytes	2026-5-12 19:47:53
AC	曹子禾	3ms	760 KiB	C++14(O2)	156 Bytes	2025-7-5 21:21:00
AC	zhangtianle	3ms	512 KiB	C++14(O2)	112 Bytes	2026-4-26 16:17:14
AC	马思辰	3ms	512 KiB	C++14(O2)	112 Bytes	2026-4-6 13:36:00
AC	纪诺一	3ms	324 KiB	C++14(O2)	124 Bytes	2025-9-2 17:50:48
AC	常胤豪	3ms	536 KiB	C++14(O2)	109 Bytes	2025-8-25 17:07:46
AC	陈梓豪	3ms	504 KiB	C++14(O2)	119 Bytes	2025-11-16 12:16:43
AC	徐启正	3ms	444 KiB	C++14(O2)	99 Bytes	2025-7-3 9:11:54
AC	刘明泽	3ms	512 KiB	C++14(O2)	115 Bytes	2026-6-6 19:08:12
AC	曹思源	3ms	504 KiB	C++14(O2)	130 Bytes	2025-11-21 20:20:41
AC	gh009068 (邢锦清)	3ms	536 KiB	C++14(O2)	121 Bytes	2025-8-26 14:42:55
AC	周云谦	3ms	504 KiB	C++14(O2)	111 Bytes	2025-10-7 20:19:49
AC	胡梓越	3ms	512 KiB	C++14(O2)	153 Bytes	2026-4-21 20:27:48
AC	胡佳俊	3ms	760 KiB	C++14(O2)	119 Bytes	2025-7-4 11:52:01
AC	jiangzhiyuan	3ms	516 KiB	C++14(O2)	145 Bytes	2026-5-18 21:57:08
AC	杨羽柯	3ms	516 KiB	C++14(O2)	122 Bytes	2026-3-29 20:03:08
AC	程煜	3ms	504 KiB	C++14(O2)	111 Bytes	2025-8-2 16:02:13
AC	姜相池	3ms	512 KiB	C++14(O2)	112 Bytes	2026-4-22 16:33:47
AC	赵婧雯	3ms	504 KiB	C++14(O2)	155 Bytes	2025-7-20 19:11:34
AC	C++很差 (liyaoyanheng)	3ms	504 KiB	C++98	113 Bytes	2025-4-1 20:13:25
AC	xyc (夏懿陈)	3ms	504 KiB	C++14(O2)	111 Bytes	2025-7-4 10:10:34
AC	许彧	3ms	508 KiB	C++14(O2)	124 Bytes	2025-11-6 21:10:39
AC	李睿凡	3ms	512 KiB	C++14(O2)	152 Bytes	2026-4-26 19:40:53
AC	我爱刷题，刷题爱我！ (冷奕程)	3ms	512 KiB	C++14(O2)	143 Bytes	2026-4-12 11:32:30
AC	栾明泽	3ms	536 KiB	C++14(O2)	178 Bytes	2025-9-5 19:16:07
AC	吴宇宸1	3ms	496 KiB	C++14(O2)	201 Bytes	2026-3-12 17:42:38