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35 lines
1.2 KiB
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35 lines
1.2 KiB
HTML
<p>给你一棵二叉搜索树，请 <strong>按中序遍历</strong> 将其重新排列为一棵递增顺序搜索树，使树中最左边的节点成为树的根节点，并且每个节点没有左子节点，只有一个右子节点。</p>
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<p> </p>
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<p><strong>示例 1：</strong></p>
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<p><img alt="" src="https://assets.leetcode.com/uploads/2020/11/17/ex1.jpg" style="width: 600px; height: 350px;" /></p>
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<pre>
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<strong>输入：</strong>root = [5,3,6,2,4,null,8,1,null,null,null,7,9]
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<strong>输出：</strong>[1,null,2,null,3,null,4,null,5,null,6,null,7,null,8,null,9]
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</pre>
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<p><strong>示例 2：</strong></p>
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<p><img alt="" src="https://assets.leetcode.com/uploads/2020/11/17/ex2.jpg" style="width: 300px; height: 114px;" /></p>
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<pre>
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<strong>输入：</strong>root = [5,1,7]
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<strong>输出：</strong>[1,null,5,null,7]
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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>树中节点数的取值范围是 <code>[1, 100]</code></li>
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<li><code>0 <= Node.val <= 1000</code></li>
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</ul>
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<p> </p>
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<p><meta charset="UTF-8" />注意：本题与主站 897 题相同： <a href="https://leetcode-cn.com/problems/increasing-order-search-tree/">https://leetcode-cn.com/problems/increasing-order-search-tree/</a></p>
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