Biswa and Function

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Biswa is a genius. He likes to play with functions. He has defined a function f: f(1, c) = c f(N, c) = Σ f(d, c) where 1 ≤ d He has asked his younger brother Debu to find the value of function for given N and c. You task is to help Debu solve this problem. Input The first line of the input contains an integer T denoting the number of test cases. Each of the next T lines contain two space sep

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solution.cppC++17

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