【例4.1】交换两个数的位置

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	王钰凯 (lfyst2025022)	2ms	536 KiB	C++14(O2)	92 Bytes	2025-3-26 17:37:21
AC	lfy48	2ms	536 KiB	C++14(O2)	94 Bytes	2025-3-21 17:27:15
AC	朱冠同 (lqst2025047)	3ms	508 KiB	C++14(O2)	138 Bytes	2025-4-29 16:51:34
AC	周政仰 (lqst2025051)	3ms	536 KiB	C++14(O2)	117 Bytes	2025-3-28 17:36:02
AC	刘思远 (lfyst2025012)	3ms	536 KiB	C++14(O2)	104 Bytes	2025-3-25 18:05:01
AC	一只小猪狗~~ (lfy57)	3ms	760 KiB	C++14(O2)	119 Bytes	2025-4-13 21:10:25
AC	王梓烨 (lfyst2025024)	3ms	504 KiB	C++14(O2)	158 Bytes	2025-4-9 18:37:22
AC	李承佐 (lqst2025046)	3ms	504 KiB	C++14(O2)	121 Bytes	2025-4-12 19:08:13
AC	邵名慧 (lfyst2025021)	3ms	504 KiB	C++14(O2)	122 Bytes	2025-4-12 20:31:23
AC	菅英祺 (lqst2025065)	3ms	504 KiB	C++14(O2)	110 Bytes	2025-5-30 17:04:48
AC	lfyst2422	3ms	504 KiB	C++14(O2)	150 Bytes	2025-4-16 17:48:57
AC	lfyst2414	3ms	324 KiB	C++14(O2)	104 Bytes	2025-3-22 14:05:00