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In a full binary tree if number of internal nodes is I, then number of leaves L are?

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In a full binary tree if number of internal nodes is I, then number of leaves L are?

(a) L = 2*I

(b) L = I + 1

(c) L = I – 1

(d) L = 2*I – 1

My query is from Binary Tree Properties in division Binary Trees of Data Structures & Algorithms I

The question was asked in examination.

1 Answer

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Best answer
Right choice is (b) L = I + 1

The best explanation: Number of Leaf nodes in full binary tree is equal to 1 + Number of Internal Nodes i.e L = I + 1

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