滚动数组?
by installb @ 2019-10-22 19:35:13
如果只是把数组开到2.5MB以内的话,可以把f第一维滚掉,用bitset压pre
by Juanzhang @ 2019-10-22 19:39:31
@[Juanzhang](/space/show?uid=73934)
知道了,Thanks♪(・ω・)ノ tql
by starusc @ 2019-10-22 19:43:45
佩服楼主,我根本没有思路
by gao0202 @ 2022-04-12 19:49:16