#3249

Count the Number of Good Nodes

specialist · 810 · lc medium +31 · 55.3% accepted · 178 likes · top 48%

Description

An undirected tree rooted at node 0 has n nodes (0 to n - 1) with edges in edges. A node is good if all its children's subtrees have the same size.

Return the count of good nodes.

Code

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