Ravi and his Matrix

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In this problem you are given a matrix A of size N*N . your task is to product the matrix by itself and print the sum of digits in the matrix . since the answer is very large print the answer mod 10^9+7.. Input Input description. Tips: - first line contains the value of N" - Next N lines contains the N spaced intergers. Output Output description. Tips: - output a single line containin

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solution.cppC++17

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