Do maths
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All submissions for this problem are available. atul had a matrix with N rows (numbered 1 through N) and M columns (numbered 1 through M). Initially, all cells of this matrix contained 0-s. Let's denote a cell in row r and column c by (r,c) atul is well-known for troubling others. This time, her friends ajay and Manish planned to take revenge and teach her a lesson, so they changed her matrix by
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solution.cppC++17
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