Add Two Numbers · Coding Interview Practice

Add Two NumbersTwo non-empty linked lists represent non-negative integers stored in reverse order. Add them and return the sum as a linked list.Constraints

The number of nodes in each list is in the range [1, 100]

0 <= Node.val <= 9

No leading zeros except the number 0 itself

Examples

Input: l1 = [2,4,3], l2 = [5,6,4] Output: [7,0,8]

Input: l1 = [9,9,9], l2 = [1] Output: [0,0,0,1]

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