Permutation
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Given an integer N. Find out the PermutationSum where PermutationSum for integer N is defined as the maximum sum of the difference of adjacent elements in all arrangement of numbers from 1 to N. $NOTE:$ Difference between two elements A and B will be considered as abs(A-B) or |A-B| which always be a positive number. ###Input: The first line of input contains a number of test case T. Each t
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solution.cppC++17
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