【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	54188	2ms	324 KiB	C++98	149 Bytes	2024-4-5 21:27:00
AC	xinao002	3ms	412 KiB	C++11(O2)	138 Bytes	2023-6-27 11:43:13
AC	xinao013	3ms	412 KiB	C++98(O2)	158 Bytes	2023-11-11 16:23:44
AC	xinao017	3ms	412 KiB	C++98	109 Bytes	2023-9-24 11:21:05
AC	xinao019	3ms	412 KiB	C++11(O2)	171 Bytes	2023-11-2 21:03:14
AC	xinao024	3ms	508 KiB	C++98	166 Bytes	2024-7-20 20:37:32
AC	xinao016	3ms	412 KiB	C++11(O2)	157 Bytes	2023-10-5 18:48:01
AC	xinao014	3ms	412 KiB	C++11(O2)	157 Bytes	2023-9-23 14:27:59
AC	xinao027	3ms	324 KiB	C++98(O2)	171 Bytes	2024-1-30 21:50:51
AC	xinao003	3ms	412 KiB	C++11(O2)	115 Bytes	2023-7-3 14:26:24
AC	xinao022	3ms	284 KiB	C++17	168 Bytes	2023-9-23 18:42:24
AC	mrhowe	3ms	412 KiB	C++11(O2)	186 Bytes	2023-7-4 13:45:32
AC	xinao020	3ms	284 KiB	C++11(O2)	172 Bytes	2023-9-16 18:28:54
AC	xinao007	3ms	412 KiB	C++11(O2)	136 Bytes	2023-7-4 13:30:17
AC	xinao021	3ms	284 KiB	C++11(O2)	126 Bytes	2023-9-23 14:52:11
AC	mrhowe	3ms	500 KiB	C++11(O2)	186 Bytes	2024-1-27 12:11:03
AC	xinao004	3ms	412 KiB	C++11(O2)	135 Bytes	2023-7-10 8:10:18
AC	mrhowe	3ms	412 KiB	C++11(O2)	142 Bytes	2023-7-4 13:43:12
AC	xinao005	3ms	412 KiB	C++11(O2)	183 Bytes	2023-6-21 20:00:04
AC	xinao008	3ms	284 KiB	C++11(O2)	157 Bytes	2023-7-5 18:50:40
AC	xinao011	3ms	412 KiB	C++11(O2)	149 Bytes	2023-8-14 16:21:36
AC	xinao001	3ms	412 KiB	C++11(O2)	152 Bytes	2023-7-4 15:51:49
AC	xinao010	3ms	536 KiB	C++98(O2)	120 Bytes	2024-1-30 12:56:29
AC	lihonglang0825	4ms	768 KiB	C++11(O2)	135 Bytes	2024-2-2 15:34:28
AC	xinao018	4ms	536 KiB	C++11	154 Bytes	2024-1-13 15:29:21
AC	xinao023	4ms	536 KiB	C++98(O2)	99 Bytes	2024-1-25 22:07:20
AC	xinao006	4ms	412 KiB	C++11(O2)	168 Bytes	2023-7-4 13:13:04