Dividing array

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Array A is k-period if its length is divisible by K and there exists an array B of length k, such that A is represented by repeating array B consecutively. In other words, array A is k-periodic, if it has period of length k. For example, any array is n-periodic, where n is the array length. Array [2,1,2,1,2,1] is at the same time 2-periodic and 6-periodic and array [1,2,1,1,2,1,1,2,1] is at the s

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solution.cppC++17

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