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Write a program that can process a sequence of stock buy and sell orders as described in Exercise…

Write a program that can process a sequence of stock buy and sell orders as described in Exercise…

Write a program that can process a sequence of stock buy and sell orders as described in Exercise C-9.48.Exercise C-9.48An online computer system for trading stocks needs to process orders of the form “buy 100 shares at $x each” or “sell 100 shares at $y each.” A buy order for $x can only be processed if there is an existing sell order with price $y such that y ≤ x. Likewise, a sell order for $y can only be processed if there is an existing buy order with price $x such that y ≤ x. If a buy or sell order is entered but cannot be processed, it must wait for a future order that allows it to be processed. Describe a scheme that allows buy and sell orders to be entered in O(logn) time, independent of whether or not they can be immediately processed.