Which XXX should replace the missing statement in the following BSTReplaceChild algorithm? ESTReplaceChild (parent, currentChild, newChild) { if (parent--left != currentChild ss parent-right != currentChild) return false if (parent--left == currentChild) parent--left = newChild else parent-right = newChild XXX newChild-parent = parent return true O a.if (newChild != null) O b.if (newChild == null) Ocif (newChild < parent-left)

Which XXX should replace the missing statement in the following BSTReplaceChild algorithm? ESTReplaceChild (parent, currentChild, newChild) { if (parent--left != currentChild ss parent-right != currentChild) return false if (parent--left == currentChild) parent--left = newChild else parent-right = newChild XXX newChild-parent = parent return true O a.if (newChild != null) O b.if (newChild == null) Ocif (newChild < parent-left)

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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