Add Two Linkedlist
easy
1. You are give two single linkedlist of digits. 2. The most significant digit comes first and each of their nodes contain a single digit. Add the two numbers and return it as a linked list. 3. You may assume the two numbers do not contain any leading zero, except the number 0 itself.
Constraints
0 <= N <= 10^6
Format
Input
1->2->3->4->5->6->7->null 7->8->9->null
Output
1->2->3->5->3->5->6->null
Example
Sample Input
6
6 1 3 2 4 0
2
3 5
Sample Output
6 1 3 2 7 5