【入门】是不是正方形

状态	递交者	时间	内存	语言	代码	递交时间
AC	liangluoquan	2ms	544 KiB	C++14(O2)	165 Bytes	2026-3-26 13:38:23
AC	zhangyi	2ms	504 KiB	C++98(O2)	145 Bytes	2026-3-27 13:15:03
AC	liuhaoran	2ms	516 KiB	C++14	186 Bytes	2026-3-24 22:10:00
AC	zhangxin	2ms	532 KiB	C++14(O2)	182 Bytes	2026-3-26 12:53:24
AC	wengzhaoyu8	2ms	492 KiB	C++14	162 Bytes	2026-3-24 17:49:21
AC	chenaijin	2ms	532 KiB	C++14	157 Bytes	2026-3-24 16:39:29
AC	zhangruoyi	2ms	504 KiB	C++98(O2)	155 Bytes	2026-3-26 7:06:32
AC	yuziqian	2ms	544 KiB	C++98	166 Bytes	2026-3-26 12:50:51
AC	qiujiamei	3ms	544 KiB	C++98(O2)	192 Bytes	2026-4-4 11:48:45
AC	lufenghao	5ms	560 KiB	C++98(O2)	197 Bytes	2026-4-7 17:05:34
AC	zhengkaiyang666	5ms	504 KiB	C++14(O2)	186 Bytes	2026-4-7 13:52:40
AC	zhoumiya	5ms	328 KiB	C++17(O2)	146 Bytes	2026-4-7 16:46:33