# 445. Add Two Numbers II LeetCode Solution | Easy Approach

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Add Two Numbers II You are given two non-empty linked lists representing two non-negative integers. The most significant digit comes first and each of their nodes contains a single digit. Add the two numbers and return the sum as a linked list.

You may assume the two numbers do not contain any leading zero, except the number 0 itself.

Example 1:

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

Example 2:

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

Example 3:

```Input: l1 = [0], l2 = [0]
Output: [0]
```

Constraints:

• The number of nodes in each linked list is in the range `[1, 100]`.
• `0 <= Node.val <= 9`
• It is guaranteed that the list represents a number that does not have leading zeros.

Time: O(n)
Space: O(n)

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