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"translatedContent": "<p>给定一个二叉树的根节点 <code>root</code> ,树中每个节点都存放有一个 <code>0</code> 到 <code>9</code> 之间的数字。</p>\n\n<div class=\"original__bRMd\">\n<div>\n<p>每条从根节点到叶节点的路径都代表一个数字:</p>\n\n<ul>\n\t<li>例如,从根节点到叶节点的路径 <code>1 -> 2 -> 3</code> 表示数字 <code>123</code> 。</li>\n</ul>\n\n<p>计算从根节点到叶节点生成的 <strong>所有数字之和</strong> 。</p>\n\n<p><strong>叶节点</strong> 是指没有子节点的节点。</p>\n\n<p> </p>\n\n<p><strong>示例 1:</strong></p>\n<img alt=\"\" src=\"https://assets.leetcode.com/uploads/2021/02/19/num1tree.jpg\" style=\"width: 212px; height: 182px;\" />\n<pre>\n<strong>输入:</strong>root = [1,2,3]\n<strong>输出:</strong>25\n<strong>解释:</strong>\n从根到叶子节点路径 <code>1->2</code> 代表数字 <code>12</code>\n从根到叶子节点路径 <code>1->3</code> 代表数字 <code>13</code>\n因此,数字总和 = 12 + 13 = <code>25</code></pre>\n\n<p><strong>示例 2:</strong></p>\n<img alt=\"\" src=\"https://assets.leetcode.com/uploads/2021/02/19/num2tree.jpg\" style=\"width: 292px; height: 302px;\" />\n<pre>\n<strong>输入:</strong>root = [4,9,0,5,1]\n<strong>输出:</strong>1026\n<strong>解释:</strong>\n从根到叶子节点路径 <code>4->9->5</code> 代表数字 495\n从根到叶子节点路径 <code>4->9->1</code> 代表数字 491\n从根到叶子节点路径 <code>4->0</code> 代表数字 40\n因此,数字总和 = 495 + 491 + 40 = <code>1026</code>\n</pre>\n\n<p> </p>\n\n<p><strong>提示:</strong></p>\n\n<ul>\n\t<li>树中节点的数目在范围 <code>[1, 1000]</code> 内</li>\n\t<li><code>0 <= Node.val <= 9</code></li>\n\t<li>树的深度不超过 <code>10</code></li>\n</ul>\n</div>\n</div>\n\n<p> </p>\n\n<p><meta charset=\"UTF-8\" />注意:本题与主站 129 题相同: <a href=\"https://leetcode-cn.com/problems/sum-root-to-leaf-numbers/\">https://leetcode-cn.com/problems/sum-root-to-leaf-numbers/</a></p>\n",
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