(u,v,s)要求1 <= u < v <= n

CF724G Xor-matic Number of the Graph

what happened@[iki9](/space/show?uid=47111)
by Jelly_Goat @ 2019-02-02 23:47:58


@[Jelly_Goat](/space/show?uid=122927) 没啥……
by nekko @ 2019-02-03 10:58:41


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