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Questions about the binary search algorithm, which can be used to find elements of an ordered list in O(log n) time.

8 votes

Why is binary search using this weird thing to calculate middle?

Suppose your 'low' and 'high' are 16 bit unsigned integers. That means, they can only have a maximum value of 2^16=65536. Consider this, low = 65530 high = 65531 If we added them first, (low+high) w …
Bikash Gurung's user avatar