Question: Consider a KD - tree built from a set S of n one - dimensional points. ( Assume that all the points are distinct. )

Consider a KD-tree built from a set S of n one-dimensional points. (Assume that all the points are distinct.) The KD-tree is built so that its leaves are the points, i.e. it is as deep as possible. Assume the tree has been built. The algorithm to test whether or not a given number is in S runs in time
Group of answer choices
Theta(log n)
O(log n)
O(n)
O(sqrt(n))

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