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存量题库数据更新
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@@ -5,7 +5,7 @@
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<p>Given the roots of two binary trees <code>root1</code> and <code>root2</code>, return <code>true</code> if the two trees are flip equivalent or <code>false</code> otherwise.</p>
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<p> </p>
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<p><strong>Example 1:</strong></p>
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<p><strong class="example">Example 1:</strong></p>
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<img alt="Flipped Trees Diagram" src="https://assets.leetcode.com/uploads/2018/11/29/tree_ex.png" style="width: 500px; height: 220px;" />
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<pre>
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<strong>Input:</strong> root1 = [1,2,3,4,5,6,null,null,null,7,8], root2 = [1,3,2,null,6,4,5,null,null,null,null,8,7]
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@@ -13,14 +13,14 @@
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<strong>Explanation: </strong>We flipped at nodes with values 1, 3, and 5.
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</pre>
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<p><strong>Example 2:</strong></p>
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<p><strong class="example">Example 2:</strong></p>
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<pre>
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<strong>Input:</strong> root1 = [], root2 = []
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<strong>Output:</strong> true
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</pre>
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<p><strong>Example 3:</strong></p>
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<p><strong class="example">Example 3:</strong></p>
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<pre>
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<strong>Input:</strong> root1 = [], root2 = [1]
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