Rearrangement
Emily has an array of N integers. She wants to rearrange its elements in such a way that the sum of any K consecutive elements of the rearranged array is divisible by M. She was able to accomplish this for several small cases. Help her with the larger ones. Input The first line of the input contains a single integer T, the number of test cases (no more than 5). Each test case is described by exa
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solution.cppC++17
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