Answered: We assume that the nodes of the singly…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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We assume that the nodes of the singly linked lists are organized in decreasing order of the exponents of the variable x in order to add the two polynomials.
The goal is to build a fresh list of nodes to symbolize the addition of P1 and P2. This is accomplished by combining the COEFF fields of the nodes in lists P1 and P2 that have similar powers of the variable x, then adding a new node that reflects this action in the resulting list P1 + P2. The key steps of the process are presented below.
Here, P1 and P2 are the single-linked lists that symbolize the polynomials P1 and P2, respectively. Furthermore, two temporary pointers named PTR1 and PTR2 have their initial values assigned to P1 and P2, respectively.

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