还原问题（1）

状态	递交者	时间	内存	语言	代码	递交时间
AC	liangluoquan	1ms	504 KiB	C++14(O2)	252 Bytes	2026-4-23 13:41:45
AC	wengzhaoyu8	1ms	504 KiB	C++14	86 Bytes	2026-3-26 13:07:18
AC	yuziqian	1ms	504 KiB	C++98	86 Bytes	2026-3-25 13:28:39
AC	zhengkaiyang666	1ms	504 KiB	C++14(O2)	91 Bytes	2026-3-25 13:30:30
AC	taosirui	1ms	504 KiB	C++98(O2)	210 Bytes	2026-4-30 17:34:57
AC	liuhaoran	1ms	380 KiB	C++14	111 Bytes	2026-3-26 12:29:06
AC	shaojianle	1ms	504 KiB	C++98(O2)	239 Bytes	2026-4-21 17:39:23
AC	chenaijin	1ms	504 KiB	C++14	119 Bytes	2026-3-22 20:51:19
AC	lzx_yyds_2015	1ms	532 KiB	C++14(O2)	85 Bytes	2026-4-28 12:23:35
AC	zhongjunnan	1ms	508 KiB	C++11(O2)	125 Bytes	2026-6-3 13:53:35
AC	zhangxin	2ms	500 KiB	C++14(O2)	111 Bytes	2026-6-4 12:27:52