【入门】输入一个三位数，把个位和百位对调后输出

状态	递交者	时间	内存	语言	代码	递交时间
AC	zhangyi	1ms	504 KiB	C++14(O2)	276 Bytes	2026-3-23 21:34:01
AC	liusiyu	2ms	544 KiB	C++17(O2)	148 Bytes	2026-3-26 16:27:08
AC	zhoumiya	2ms	496 KiB	C++17(O2)	261 Bytes	2026-3-27 13:21:25
AC	zhangruoyi	2ms	504 KiB	C++98(O2)	170 Bytes	2026-3-22 15:28:53
AC	wangyankai	2ms	548 KiB	C++14	167 Bytes	2026-3-27 13:18:44
AC	liuhaoran	2ms	348 KiB	C++14	157 Bytes	2026-3-23 20:56:48
AC	zhongjunnan	2ms	496 KiB	C++14(O2)	173 Bytes	2026-3-21 20:27:22
AC	zhaozhiyi	2ms	552 KiB	C++17(O2)	133 Bytes	2026-3-26 13:15:51
AC	shaojianle	2ms	544 KiB	C++98(O2)	159 Bytes	2026-3-30 12:59:17
AC	zhangxin	2ms	504 KiB	C++14	276 Bytes	2026-3-23 21:16:27
AC	chenaijin	2ms	532 KiB	C++14	133 Bytes	2026-3-20 13:33:20
AC	wengzhaoyu8	2ms	436 KiB	C++14	91 Bytes	2026-3-20 13:35:55
AC	lufenghao	2ms	492 KiB	C++98	159 Bytes	2026-3-26 17:28:05
AC	liangluoquan	2ms	532 KiB	C++14(O2)	137 Bytes	2026-3-20 13:43:54
AC	taosirui	2ms	348 KiB	C++98(O2)	240 Bytes	2026-3-30 13:52:28
AC	yuziqian	2ms	504 KiB	C++98	86 Bytes	2026-3-20 13:36:00
AC	yezihao	2ms	348 KiB	C++98	191 Bytes	2026-3-26 16:42:40
AC	caiyu	2ms	508 KiB	C++98(O2)	185 Bytes	2026-3-24 21:11:53
AC	zhangziheng	2ms	512 KiB	C++98	146 Bytes	2026-3-21 12:32:39
AC	zhengkaiyang666	2ms	512 KiB	C++14(O2)	223 Bytes	2026-3-20 19:14:30
AC	wusiyu	2ms	504 KiB	C++14(O2)	189 Bytes	2026-3-26 22:02:02
AC	yiziheng	2ms	320 KiB	C++98	113 Bytes	2026-3-25 12:55:21
AC	zhangyisi	3ms	532 KiB	C++17(O2)	131 Bytes	2026-4-2 18:24:16
AC	何健锴	3ms	504 KiB	C++14(O2)	212 Bytes	2026-3-25 13:10:19
AC	ZJNAN	4ms	572 KiB	C++17(O2)	161 Bytes	2026-4-4 20:15:47
AC	chenyishen	4ms	532 KiB	C++98(O2)	109 Bytes	2026-4-7 19:14:23