Submatrix containing ones

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Problem description. A matrix of dimension mxn containing only 0's and 1's as it elements is given.Determine the maximum possible sub-square matrix containing only 1's as its elements Input Input description. - The first line of input contains an integer T,denoting the number of test cases - First line of each test case contains two space separated integers m,n denoting dimensions of matrix a

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solution.cppC++17

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