Imagine you are reading in a stream of integers. Periodically, you wish to be able to look up the rank of a numberx (the number of values less than or equal to x). lmplementthe data structures and algorithms to support these operations. That is, implement the method track ( int x), which is called when each number is generated, and the method getRankOfNumber(int x), which returns the number of values less than or equal to x (not including x itself). EXAMPLE Stream (in order of appearance): 5, 1, 4, 4, 5, 9, 7, 13, 3 getRankOfNumber(l) 0 getRankOfNumber(3) = 1 getRankOfNumber(4) =3

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