求助一半都是RE!

P2782 友好城市

@[wild_ocean](/user/174711)
by htssm @ 2021-11-07 16:04:28


@[wild_ocean](/user/174711) 您数组开这么小不 RE 才怪呢,而且您的代码是 $n^2$ 的复杂度,无法通过此题
by xixike @ 2021-11-07 16:05:29


@[xixike](/user/158846) 知道了,再去试试
by wild_ocean @ 2021-11-07 16:11:07


@[wild_ocean](/user/174711) 需要树状数组或者二分一下求LIS,二分好理解一点,但建议学一下树状数组
by xixike @ 2021-11-07 16:17:50


AC了,谢谢各位大佬指点!
by wild_ocean @ 2021-11-07 16:21:56


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