Most of the solution described are O(N) worst case. I am trying log(N) but never able to pass all the test cases.
That's not possible.
The worst case is I have something like [1, 1, 1, 0, 1, 1, ..., 1, 1] - the minimum number only appears once, and all other elements are the same. In this way, without testing all numbers, it is not possible to find the minimum one.
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