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What will be the output of the code that generates permutations and also has the ability to handle duplicates, for the input str[]=”AA”?

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in Data Structures & Algorithms II by (111k points)
What will be the output of the code that generates permutations and also has the ability to handle duplicates, for the input str[]=”AA”?

(a) AA

(b) AA,AA

(c) A,A

(d) A

This question was addressed to me in an international level competition.

I'm obligated to ask this question of Number Theory topic in portion Number Theory of Data Structures & Algorithms II

1 Answer

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Correct choice is (a) AA

Easy explanation - If a code is able to handle duplicates then the two A’s are not considered to be different elements due to which only one permutation will be formed. So the output will be AA only.

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