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28 lines
804 B
HTML
28 lines
804 B
HTML
<p>给你一个二叉树的根节点 <code>root</code> ,按 <strong>任意顺序</strong> ,返回所有从根节点到叶子节点的路径。</p>
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<p><strong>叶子节点</strong> 是指没有子节点的节点。</p>
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<p><strong>示例 1:</strong></p>
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<img alt="" src="https://assets.leetcode.com/uploads/2021/03/12/paths-tree.jpg" style="width: 207px; height: 293px;" />
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<pre>
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<strong>输入:</strong>root = [1,2,3,null,5]
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<strong>输出:</strong>["1->2->5","1->3"]
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</pre>
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<p><strong>示例 2:</strong></p>
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<pre>
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<strong>输入:</strong>root = [1]
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<strong>输出:</strong>["1"]
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</pre>
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<p> </p>
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<p><strong>提示:</strong></p>
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<ul>
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<li>树中节点的数目在范围 <code>[1, 100]</code> 内</li>
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<li><code>-100 <= Node.val <= 100</code></li>
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</ul>
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