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Given an array of size N in which every number is between 1
and N, determine if there are any duplicates in it. You are
allowed to destroy the array if you like.

Answers were Sorted based on User's Feedback



Given an array of size N in which every number is between 1 and N, determine if there are any dupli..

Answer / purnank

Get the summation. If it is not equal to (2N + 1)/2, you
surely have duplicates.

Is This Answer Correct ?    11 Yes 46 No

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