The power of powers

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Your task is simple, to calculate the value of a b for the given values of a and b and compute the sum of the digits of ab. 83=512 , 5 + 1 + 2 = 8 The problem consists of many test cases. The input description of each test case is given below. Input The first line of input contains the number of test cases t. Then t lines follow each containing two space separated integers a and b. Output

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solution.cppC++17

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