Question: Each element of an array A[1, ..., n] is a digit (0,,9). The array is ordered: A[i] A[i+1] for all i . Consider the problem

Each element of an array A[1, ..., n] is a digit (0,,9). The array is ordered: A[i] A[i+1] for all i . Consider the problem of finding the sum of array A[1, ..., n]. Is that can do in O(log n) time?

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