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CSC 220 Assignment 4 Total Points-15 Name: Give the diagram of the doubly linked list implementation of the polynomials in two variables. Use the nodes with the members tag, coef, expo, next. 1. Write a C++ code to insert a node to the left of the node p in the double linked list shown below. (Each node has three fields: an data field that contains the information, and next and prev fields that contains pointers to nodes on either side. Ex. p->prev represents the address of the node to the left of node p) 2. 3> Dlist

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