【例4.1】交换两个数的位置

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	liangbo	2ms	540 KiB	C++14	147 Bytes	2024-12-28 15:33:00
AC	liutongtong	3ms	536 KiB	C++14	167 Bytes	2025-2-9 15:29:26
AC	admin	3ms	328 KiB	C++14	148 Bytes	2024-12-29 6:48:04
AC	xiongyining	3ms	536 KiB	C++14	157 Bytes	2025-1-14 10:36:10
AC	宋帅	3ms	760 KiB	C++14	115 Bytes	2025-5-1 18:39:20
AC	xiaozheng	3ms	536 KiB	C++14	166 Bytes	2024-12-28 15:33:09