https://vjudge.net/solution/13280559
by panda_2134 @ 2018-04-01 16:42:31
你需要底层优化
wys:$O(n^2)$怎么了，加上底层优化不是随便过？
by shadowice1984 @ 2018-04-01 19:04:35
Orz panda大爷
by qqvq @ 2018-04-03 09:56:38
Orz panda大爷
by yizimi远欣 @ 2019-03-27 14:45:42
Orz panda大爷
by Adove @ 2019-04-12 17:23:52
$\blue{OOOOOO}\red R\green Z$
by Akwamaryna @ 2020-05-12 10:16:44
烤咕
by Akwamaryna @ 2020-05-12 10:17:27