leetcode-problemset/leetcode-cn/originData/add-two-numbers-ii.json

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        "question": {
            "questionId": "445",
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            "categoryTitle": "Algorithms",
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            "title": "Add Two Numbers II",
            "titleSlug": "add-two-numbers-ii",
            "content": "<p>You are given two <strong>non-empty</strong> 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.</p>\n\n<p>You may assume the two numbers do not contain any leading zero, except the number 0 itself.</p>\n\n<p>&nbsp;</p>\n<p><strong>Example 1:</strong></p>\n<img alt=\"\" src=\"https://assets.leetcode.com/uploads/2021/04/09/sumii-linked-list.jpg\" style=\"width: 523px; height: 342px;\" />\n<pre>\n<strong>Input:</strong> l1 = [7,2,4,3], l2 = [5,6,4]\n<strong>Output:</strong> [7,8,0,7]\n</pre>\n\n<p><strong>Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> l1 = [2,4,3], l2 = [5,6,4]\n<strong>Output:</strong> [8,0,7]\n</pre>\n\n<p><strong>Example 3:</strong></p>\n\n<pre>\n<strong>Input:</strong> l1 = [0], l2 = [0]\n<strong>Output:</strong> [0]\n</pre>\n\n<p>&nbsp;</p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li>The number of nodes in each linked list is in the range <code>[1, 100]</code>.</li>\n\t<li><code>0 &lt;= Node.val &lt;= 9</code></li>\n\t<li>It is guaranteed that the list represents a number that does not have leading zeros.</li>\n</ul>\n\n<p>&nbsp;</p>\n<p><strong>Follow up:</strong>&nbsp;Could you solve it without reversing the input lists?</p>\n",
            "translatedTitle": "两数相加 II",
            "translatedContent": "<p>给你两个 <strong>非空 </strong>链表来代表两个非负整数。数字最高位位于链表开始位置。它们的每个节点只存储一位数字。将这两数相加会返回一个新的链表。</p>\n\n<p>你可以假设除了数字 0 之外，这两个数字都不会以零开头。</p>\n\n<p>&nbsp;</p>\n\n<p><strong>示例1：</strong></p>\n\n<p><img alt=\"\" src=\"https://pic.leetcode-cn.com/1626420025-fZfzMX-image.png\" style=\"width: 302px; \" /></p>\n\n<pre>\n<strong>输入：</strong>l1 = [7,2,4,3], l2 = [5,6,4]\n<strong>输出：</strong>[7,8,0,7]\n</pre>\n\n<p><strong>示例2：</strong></p>\n\n<pre>\n<strong>输入：</strong>l1 = [2,4,3], l2 = [5,6,4]\n<strong>输出：</strong>[8,0,7]\n</pre>\n\n<p><strong>示例3：</strong></p>\n\n<pre>\n<strong>输入：</strong>l1 = [0], l2 = [0]\n<strong>输出：</strong>[0]\n</pre>\n\n<p>&nbsp;</p>\n\n<p><strong>提示：</strong></p>\n\n<ul>\n\t<li>链表的长度范围为<code> [1, 100]</code></li>\n\t<li><code>0 &lt;= node.val &lt;= 9</code></li>\n\t<li>输入数据保证链表代表的数字无前导 0</li>\n</ul>\n\n<p>&nbsp;</p>\n\n<p><strong>进阶：</strong>如果输入链表不能翻转该如何解决？</p>\n",
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