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2025-09-29 14:43:44 +08:00
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leetcode-cn/problem (English)/验证二叉搜索树(English) [validate-binary-search-tree].html
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@@ -3,8 +3,8 @@
<p>A <strong>valid BST</strong> is defined as follows:</p>
<ul>
<li>The left <span data-keyword="subtree">subtree</span> of a node contains only nodes with keys <strong>less than</strong> the node&#39;s key.</li>
<li>The right subtree of a node contains only nodes with keys <strong>greater than</strong> the node&#39;s key.</li>
<li>The left <span data-keyword="subtree">subtree</span> of a node contains only nodes with keys&nbsp;<strong>strictly less than</strong> the node&#39;s key.</li>
<li>The right subtree of a node contains only nodes with keys <strong>strictly greater than</strong> the node&#39;s key.</li>
<li>Both the left and right subtrees must also be binary search trees.</li>
</ul>