Suppose a given tree T has n1 nodes that have 1 child, n2 nodes that have 2 children, . . . , nm nodes that have m children and no node has more than m children, how many nodes have NO child are there in T?
2026-03-27 16:55:31.1774630531
Tree recursive question: number of nodes and relationship with children
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The number of edges in $T$ is $$n_1 + 2n_2 + \cdots + mn_m = \sum_{i=1}^m{in_i}$$ from the given information, and the number of nodes and the number of edges in a tree are related.