#divide-and-conquer
Practice
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Codeforces Solutions
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Spectral::Cup 2026 Round 1 (Codeforces Round 1094, Div. 1 + Div. 2)
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CF 2222G - Statistics on Tree
CF 2222G - Statistics on Tree Rating: - Tags: binary search, brute force, dfs and similar, divide and conquer, graphs, trees Solve time: 6m 33s Verified: no Solution Problem Understanding We are given a tree. For a pair of vertices $(u,v)$, we remove every edge belonging to the unique simple path between them. After those edges are deleted, the tree breaks into several connected components. The value of the pair...