leetcode-problemset/leetcode-cn/originData/LwUNpT.json

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        "question": {
            "questionId": "1000298",
            "questionFrontendId": "LCR 045",
            "categoryTitle": "Algorithms",
            "boundTopicId": 910292,
            "title": "找树左下角的值",
            "titleSlug": "LwUNpT",
            "content": "<p>English description is not available for the problem. Please switch to Chinese.</p>\n",
            "translatedTitle": "找树左下角的值",
            "translatedContent": "<p>给定一个二叉树的 <strong>根节点</strong> <code>root</code>，请找出该二叉树的&nbsp;<strong>最底层&nbsp;最左边&nbsp;</strong>节点的值。</p>\n\n<p>假设二叉树中至少有一个节点。</p>\n\n<p>&nbsp;</p>\n\n<p><strong>示例 1:</strong></p>\n\n<p><img src=\"https://assets.leetcode.com/uploads/2020/12/14/tree1.jpg\" style=\"width: 182px; \" /></p>\n\n<pre>\n<strong>输入: </strong>root = [2,1,3]\n<strong>输出: </strong>1\n</pre>\n\n<p><strong>示例 2: </strong></p>\n\n<p><img src=\"https://assets.leetcode.com/uploads/2020/12/14/tree2.jpg\" style=\"width: 242px; \" /><strong> </strong></p>\n\n<pre>\n<strong>输入: </strong>[1,2,3,4,null,5,6,null,null,7]\n<strong>输出: </strong>7\n</pre>\n\n<p>&nbsp;</p>\n\n<p><strong>提示:</strong></p>\n\n<ul>\n\t<li>二叉树的节点个数的范围是 <code>[1,10<sup>4</sup>]</code></li>\n\t<li><meta charset=\"UTF-8\" /><code>-2<sup>31</sup>&nbsp;&lt;= Node.val &lt;= 2<sup>31</sup>&nbsp;- 1</code>&nbsp;</li>\n</ul>\n\n<p>&nbsp;</p>\n\n<p><meta charset=\"UTF-8\" />注意：本题与主站 513&nbsp;题相同：&nbsp;<a href=\"https://leetcode-cn.com/problems/find-bottom-left-tree-value/\">https://leetcode-cn.com/problems/find-bottom-left-tree-value/</a></p>\n",
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                    "code": "# Definition for a binary tree node.\n# class TreeNode:\n#     def __init__(self, val=0, left=None, right=None):\n#         self.val = val\n#         self.left = left\n#         self.right = right\nclass Solution:\n    def findBottomLeftValue(self, root: TreeNode) -> int:",
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                    "code": "/**\n * Definition for a binary tree node.\n * struct TreeNode {\n *     int val;\n *     struct TreeNode *left;\n *     struct TreeNode *right;\n * };\n */\n\n\nint findBottomLeftValue(struct TreeNode* root){\n\n}",
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                    "code": "/**\n * Definition for a binary tree node.\n * function TreeNode(val, left, right) {\n *     this.val = (val===undefined ? 0 : val)\n *     this.left = (left===undefined ? null : left)\n *     this.right = (right===undefined ? null : right)\n * }\n */\n/**\n * @param {TreeNode} root\n * @return {number}\n */\nvar findBottomLeftValue = function(root) {\n\n};",
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                    "code": "/**\n * Definition for a binary tree node.\n * class TreeNode {\n *     val: number\n *     left: TreeNode | null\n *     right: TreeNode | null\n *     constructor(val?: number, left?: TreeNode | null, right?: TreeNode | null) {\n *         this.val = (val===undefined ? 0 : val)\n *         this.left = (left===undefined ? null : left)\n *         this.right = (right===undefined ? null : right)\n *     }\n * }\n */\n\nfunction findBottomLeftValue(root: TreeNode | null): number {\n\n};",
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                    "code": "/**\n * Example:\n * var ti = TreeNode(5)\n * var v = ti.`val`\n * Definition for a binary tree node.\n * class TreeNode(var `val`: Int) {\n *     var left: TreeNode? = null\n *     var right: TreeNode? = null\n * }\n */\nclass Solution {\n    fun findBottomLeftValue(root: TreeNode?): Int {\n\n    }\n}",
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                    "code": "/**\n * Definition for a binary tree node.\n * type TreeNode struct {\n *     Val int\n *     Left *TreeNode\n *     Right *TreeNode\n * }\n */\nfunc findBottomLeftValue(root *TreeNode) int {\n\n}",
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