【例4.1】交换两个数的位置

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	yaokeyu	2ms	536 KiB	C++11(O2)	141 Bytes	2025-1-22 12:46:45
AC	heqianrui123	3ms	324 KiB	C++11(O2)	115 Bytes	2025-2-15 14:18:32
AC	guoxinglin	3ms	536 KiB	C++11(O2)	95 Bytes	2025-1-19 16:53:38
AC	wangqiguang	3ms	324 KiB	C++11(O2)	153 Bytes	2025-1-24 21:04:39
AC	caoyuanxi	3ms	764 KiB	C++11(O2)	185 Bytes	2025-1-22 16:17:08
AC	wangjingyi	3ms	320 KiB	C++11(O2)	178 Bytes	2025-1-5 12:11:43
AC	qinmingcheng	3ms	536 KiB	C++11(O2)	136 Bytes	2025-1-24 12:52:30
AC	gaoyuchen	3ms	536 KiB	C++11(O2)	120 Bytes	2024-12-28 19:16:28