can someone help me with this problem

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

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

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

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en1 English mac_n_cheese_pog 2021-07-22 14:01:29 149 Initial revision (published)