Microsoft Interview QuestionSoftware Engineer / Developers
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An array A[1...n] contains all the integers from 0 to n except one. In this problem, we cannot access an entire integer in A with a single operation. The elements of A are represented in binary, and the only operation we can use to access them is "fetch the jth bit of A[i]", which takes constant time. Find the missing integer in O(n) time.