Sereja and Permutation

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Sereja have array A' that contain N integers. Now Sereja want to permute elements of the array, he want to use some permutation p, such that A[i] = A'[p[i]], where A - new array. Lets function f(A,i) = S - A[i] - A[i +1] - ... - A[j], where j is the maximum possible index, such that A[i] + A[i + 1] + ... + A[j] , if A[i] > S, f(A, i) = S. Help Sereja to find such permutation p, such that (f(A,

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solution.cppC++17

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