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Heap’s algorithm requires an auxiliary array to create permutations.

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in Data Structures & Algorithms II by (111k points)
Heap’s algorithm requires an auxiliary array to create permutations.

(a) true

(b) false

The question was asked during an internship interview.

This question is from Number Theory in chapter Number Theory of Data Structures & Algorithms II

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Correct option is (b) false

Easy explanation - Heap’s algorithm does not require any extra array for generating permutations. Thus it is able to keep its space requirement to a very low level. This makes it preferable algorithm for generating permutations.

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