Help Ekansh

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Ekaansh got a N*N matrix from his CSE teacher. Now, he tells Ekaansh to get the X out of the matrix that is only the left and right diagonals of the matrix. He also tells Ekaansh to invert the X. Get the sum of prime numbers from those elements. Help him with the task and get him full marks in his next CA. Input The first line of input contains a single integer T denoting the number of test cas

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solution.cppC++17

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