【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	15996006306	2ms	508 KiB	C++17(O2)	182 Bytes	2025-10-26 20:30:33
AC	18082060086	2ms	504 KiB	C++17(O2)	126 Bytes	2025-7-10 18:16:15
AC	15952606862	3ms	536 KiB	C++17(O2)	150 Bytes	2025-9-12 19:32:06
AC	15252666790	3ms	324 KiB	C++17(O2)	129 Bytes	2025-9-14 19:12:52
AC	18796792921-2	3ms	504 KiB	C++17(O2)	149 Bytes	2025-11-9 9:20:41
AC	18752513570	3ms	504 KiB	C++17(O2)	124 Bytes	2025-10-5 8:42:32
AC	15961095085	3ms	504 KiB	C++17(O2)	125 Bytes	2025-7-4 14:06:16
AC	13951145877	3ms	508 KiB	C++17(O2)	124 Bytes	2025-7-3 14:32:15
AC	15896035665	3ms	504 KiB	C++17(O2)	125 Bytes	2025-7-4 14:20:17
AC	15896015968	3ms	508 KiB	C++17(O2)	183 Bytes	2025-8-21 16:37:53
AC	15190056606	3ms	504 KiB	C++17(O2)	116 Bytes	2025-7-9 18:19:05
AC	18796792921	3ms	504 KiB	C++17(O2)	145 Bytes	2025-7-5 10:28:34