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What is the node path length of a node with 0 or 1 child?

(a) 1

(b) -1

(c) 0

(d) null

The query is from Heap in chapter Heap of Data Structures & Algorithms I

This question was addressed to me in an interview for internship.

1 Answer

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Best answer
The correct answer is (c) 0

The explanation is: The length of the shortest path from a node to a node without two children is defined as 0.

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