Utkarsh and LCM
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Problem description. Utkarsh found an array A of size N. He needs to report the number of pairs (i,j) where i such that LCM (A[i], A[j]) > min (A[i], A[j]) CONSTRAINTS - 1 INPUT First line contains N. Next line contains N integers of A. OUTPUT output a single integer, the answer to the problem EXAMPLE INPUT 4 1 1 2 3 OUTPUT 5
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solution.cppC++17
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