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@@ -12,7 +12,7 @@
"translatedContent": "<p>从左向右遍历一个数组,通过不断将其中的元素插入树中可以逐步地生成一棵二叉搜索树。</p>\n\n<p>给定一个由<strong>不同节点</strong>组成的二叉搜索树 <code>root</code>,输出所有可能生成此树的数组。</p>\n\n<p>&nbsp;</p>\n\n<p><strong>示例 1:</strong></p>\n\n<pre>\n<strong>输入: </strong>root = [2,1,3]\n<strong>输出: </strong>[[2,1,3],[2,3,1]]\n解释: 数组 [2,1,3]、[2,3,1] 均可以通过从左向右遍历元素插入树中形成以下二叉搜索树\n&nbsp; 2 \n&nbsp; / \\ \n&nbsp; 1 3\n</pre>\n\n<p><meta charset=\"UTF-8\" /></p>\n\n<p><strong>示例</strong><strong>&nbsp;2:</strong></p>\n\n<pre>\n<strong>输入: </strong>root = [4,1,null,null,3,2]\n<strong>输出: </strong>[[4,1,3,2]]\n</pre>\n\n<p>&nbsp;</p>\n\n<p><strong>提示:</strong></p>\n\n<ul>\n\t<li>二叉搜索树中的节点数在<meta charset=\"UTF-8\" />&nbsp;<code>[0, 1000]</code>&nbsp;的范围内</li>\n\t<li><code>1 &lt;= 节点值&nbsp;&lt;= 10^6</code></li>\n\t<li>\n\t<p>用例保证符合要求的数组数量不超过 <code>5000</code></p>\n\t</li>\n</ul>\n",
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"difficulty": "Hard",
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@@ -155,7 +155,7 @@
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"hints": [
"每个数组中的第一个值是多少?",
"根是每个数组中必须包含的第一个值。相对于右子树中的值,左子树中的值顺序如何?左子树值是否需要在右子树之前插入?",