Given an array A of n elements, find three indices i,j & k such that A[i]^2+A[j]^2=A[k]^2 ?

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posted Jun 28, 2016 by Shivam Kumar Pandey

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brute force approach requires n^3 time complexity but I need to solve this problem in n^2 time complexity

commented Jun 29, 2016 by Shivam Kumar Pandey

http://www.geeksforgeeks.org/find-a-sorted-subsequence-of-size-3-in-linear-time/

its not the algorithm for question, but I think this will be helpful for developing logic for your question,
hope it will be helpful

commented Jun 30, 2016 by Smriti

I'll update you after checking if it fulfills my requirement or not.

commented Jun 30, 2016 by Shivam Kumar Pandey

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