ISRO | ISRO CS 2009 | Question 30

A full binary tree with n leaves contains:
(A) n nodes
(B) log2 n nodes
(C) 2n-1
(D) 2n

Answer: (C)

Explanation: A Binary Tree is full if every node has 0 or 2 children. So, in such case, the binary tree with n leaves contains a total of 2*n-1 nodes.

Option (C) is correct.

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