【例4.1】交换两个数的位置

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	zhiyinnitaimei	3ms	536 KiB	C++14(O2)	131 Bytes	2024-4-2 19:08:10
AC	ibaraki	3ms	324 KiB	C++14(O2)	134 Bytes	2024-4-2 19:03:11
AC	DEV	3ms	536 KiB	C++14(O2)	134 Bytes	2024-4-2 19:19:35
AC	李锦泽	3ms	536 KiB	C++14(O2)	125 Bytes	2024-8-23 14:42:26
AC	经开一中2026届11班关泽瑞	4ms	536 KiB	C++14(O2)	147 Bytes	2024-1-7 17:04:58
AC	Morning	4ms	536 KiB	C++14(O2)	112 Bytes	2024-1-6 22:02:09