can someone help me with this problem

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can someone help me with this problem

Revision en1, by mac_n_cheese_pog, 2021-07-22 14:01:29

https://codeforces.net/problemset/problem/709/A i do not know the solution for this problem can someone help me?

#gcj, hackercup, lazy propagation, #li chao tree

Revisions

	Rev.	Lang.	By	When	Δ	Comment
	en1		mac_n_cheese_pog	2021-07-22 14:01:29	149	Initial revision (published)