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There is an undirected tree where each vertex is numbered from to, and each contains a data shrubdrop.club sum of a tree is the sum of all its nodes' data values. If an edge is cut, two smaller trees are formed. The difference between two trees is the absolute value of the difference in their sums. Given a tree, determine which edge to cut so that the resulting trees have a minimal difference Estimated Reading Time: 2 mins. Cut Tree. Cut Tree.

Problem.

Submissions. Leaderboard. Discussions. Editorial. Given a tree T with n nodes, how many subtrees (T') of T have at most K edges connected to (T - T')? Input Format. The first line contains two integers n and K followed by n-1 lines each containing two integers a & b denoting that there's an edge between a & shrubdrop.clubted Reading Time: 50 secs.

For those who are stuck, here are hints: 1. Dont think of it as a Tree problem. Approach it as a GRAPH. 2. Use first run of DFS to compute a value (not telling what it is:p) that you think will help you solve the problem.

3. The real breakthrough happens during the second run of shrubdrop.clubted Reading Time: 6 mins. Remove an edge from a tree such that the sum of the absolute difference between the value stored at each of the trees' vertices is shrubdrop.clubg: Lawrenceville GA. Remove an edge from a tree such that the sum of the absolute difference between the value stored at each of the trees' vertices is minimal.

Cut the Tree. Leaderboard. Cut the Tree. Problem. Submissions. Leaderboard. Discussions. Editorial. Topics. Reveal solutions. Hacker. Rank. Country. Score. killer_z. Missing: Lawrenceville GA.

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