Which XXX completes the following algorithm for inserting a new node into a singly-linked list? (This algorithm will insert newNode after curNode ) void List::InsertAfter(Node* curNode, Node* newNode) { if (head == nullptr) { head = newNode tail = newNode } else if (curNode == tail-next = newNode tail = newNode tail) { else { // XXX } } newNode-next = curNode-»next curNode = newNode newNode»next = curNode-next curNode--next = null newNode-next = null curNode-»next = list-»tail-next curNode--next = newNode newNode-next = curNode»next newNode-»next = curNode-»next curNode»next = newNode
Which XXX completes the following algorithm for inserting a new node into a singly-linked list? (This algorithm will insert newNode after curNode ) void List::InsertAfter(Node* curNode, Node* newNode) { if (head == nullptr) { head = newNode tail = newNode } else if (curNode == tail-next = newNode tail = newNode tail) { else { // XXX } } newNode-next = curNode-»next curNode = newNode newNode»next = curNode-next curNode--next = null newNode-next = null curNode-»next = list-»tail-next curNode--next = newNode newNode-next = curNode»next newNode-»next = curNode-»next curNode»next = newNode
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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Transcribed Image Text:Which XXX completes the following algorithm for inserting a new node into a singly-linked list? (This
algorithm will insert newNode after curNode )
void List::InsertAfter(Node* curNode, Node* newNode) {
if (head
head
tail
nullptr) {
newNode
==
= newNode
}
else if (curNode
tail »next
tail
tail) {
==
= newNode
= newNode
else {
// XXX
}
}
newNodenext = curNode»next
curNode
newNode
%D
curNode next
newNodenext =
curNode next = null
newNode-»next = null
curNode»next
= list tail-next
curNode»next
newNodenext = curNode»next
newNode
newNode»next
curNode next
curNode next = newNode
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