DIY: Add Two Numbers
Understand how to add two numbers stored as linked lists, with digits in reverse order. Learn to handle lists of different lengths and carry overs to return the sum as a new linked list, preparing for real interview challenges.
We'll cover the following...
We'll cover the following...
Problem statement
Given two non-empty linked lists that represent two non-negative integers, you have to add the two numbers and return the sum as a linked list. The digits are stored in reverse order, and each of their nodes contains a single digit.
Note: You may assume that the two numbers do not contain any leading zero, except the number
0itself. ...