You have a linked list with two numbers as nodes, each of which is represented by a single digit. The digits are kept in reverse order, with the digit representing 1 at the top of the list. The two values should be added, and the function should return the total as a linked list. EXAMPLE Input: (7-> 1 -> 6) + (5 -> 9 -> 2).That is,617 + 295. Output: 2 -> 1 -> 9. That is, 912. FOLLOW UP Let's say the digits are kept in ascending order. Replicate the earlier issue. EXAMPLE lnput:(6 -> 1 -> 7) + (2 -> 9 -> 5).That is,617 + 295. Output: 9 -> 1 -> 2. That is, 912

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
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You have a linked list with two numbers as nodes, each of which is represented by a single digit. The digits are kept in reverse order, with the digit representing 1 at the top of the list. The two values should be added, and the function should return the total as a linked list.


EXAMPLE
Input: (7-> 1 -> 6) + (5 -> 9 -> 2).That is,617 + 295.
Output: 2 -> 1 -> 9. That is, 912.
FOLLOW UP
Let's say the digits are kept in ascending order. Replicate the earlier issue.
EXAMPLE
lnput:(6 -> 1 -> 7) + (2 -> 9 -> 5).That is,617 + 295.
Output: 9 -> 1 -> 2. That is, 912

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