Sereja and Dividing

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Sereja has two integers — A and B — in 7-ary system. He wants to calculate the number C, such that B * C = A. It is guaranteed that B is a divisor of A. Please, help Sereja calculate the number C modulo 7L. Input First line of input contains an integer T — the number of test cases. T tests follow. For each test case, the first line contains the integer A, and the second line contains the

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solution.cppC++17

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