03. Pythagorean Triplet
The problem can be found at the following link: Question Link
My Approach
A simpler and direct approach, I have used a unordered set to store the squares of all elements in the array, which are unique and help eliminate duplicate checks. Next, I'll iterate through all pairs of elements (a, b) in the set and verify if their sum (a + b) exists in the set. If it does, we've identified a Pythagorean triplet.
Time and Auxiliary Space Complexity
Time Complexity:
O(N^2)
, whereN
is the number of elements in the array.Auxiliary Space Complexity:
O(N)
, whereN
is the number of elements in the array.
Code (C++)
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