526. Beautiful Arrangement

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Suppose you have n integers labeled 1 through n. A permutation of those n integers perm (1-indexed) is considered a beautiful arrangement if for every i (1 <= i <= n), either of the following is true: - perm[i] is divisible by i. - i is divisible by perm[i]. Given an integer n, return the number of the beautiful arrangements that you can construct. Example 1: Input: n = 2 Output: 2 Explanat

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solution.cppC++17

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