Answered: Which XXX would replace the missing…

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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Question

Which XXX would replace the missing statement in the following algorithm to remove a node from the singly-linked list?

ListRemoveAfter(list, curNode) {
if (curNode is null && list⇢head is not null) {
sucNode = list⇢head⇢next
list⇢head = sucNode
if (sucNode is null) {
XXX
}
}
else if (curNode⇢next is not null) {
sucNode = curNode⇢next⇢next
curNode⇢next = sucNode
if (sucNode is null) {
list⇢tail = curNode
}
}
}

Group of answer choices

list⇢head = sucNode

sucNode = list⇢head⇢next

list⇢tail = curNode

list⇢tail = null

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