Give an algorithm in C++ to find the penultimate (second to last) node in a singly linked list where the last element is indicated by a NULL next link.
Give an algorithm in C++ to find the penultimate (second to last) node in a singly linked list where the last element is indicated by a NULL next link.
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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I get the below is the for checking if it's the second to last node but can you break down why? specifically the if (temp->->next==NULL)
// it is the condition for checking if the current node is the second last node or not
if (temp->next->next == NULL)
return temp->data;
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