---
title: 2.Add Two Numbers
tags: Leetcode,2021
---
# 【LeetCode】 2. Add Two Numbers
## Description
>You are given two non-empty linked lists representing two non-negative integers. The digits are stored in reverse order and each of their nodes contain a single digit. Add the two numbers and return it as a linked list.
You may assume the two numbers do not contain any leading zero, except the number 0 itself.

>給你兩個非空的linked list 代表兩個非負整數。每個位數用相反的順序存在節點裡面。
請將兩數相加後，一樣回傳一個linked list。
你可以假設裡面不會有任何多餘的零。

## Example:

>Input: (2 -> 4 -> 3) + (5 -> 6 -> 4)
Output: 7 -> 0 -> 8
Explanation: 342 + 465 = 807.
## Solution