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There is an undirected tree where each vertex is numbered from to, and each contains a data 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. 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 & bushdigging.clubted Reading Time: 50 secs.

The input represents a tree. Usually one would expect a consistent parent child connection pairs, however in example tests (4, 5) breaks this. Would have been better if it was (5, 4).Estimated Reading Time: 6 mins. This problem is a simple application of Recursion and Depth First Traversal of a tree. You need to solve this problem using post order traversal technique, considering the tree as a rooted tree. Let's take the example given in the question. Cons.

HackerRank / Go to file Go to file T; Go to line L; Copy path Cannot retrieve contributors at this time. 54 lines (50 sloc) Bytes Raw Blame // // Cut the tree // Weekly Challenges - Week 2 // Author: derekhh # include. Given a tree T with n nodes, how many subtrees (T') of T have at most K edges connected to (T - T') We use cookies to ensure you have the best browsing experience on our website.

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