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update
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@@ -155,7 +155,7 @@
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"__typename": "CodeSnippetNode"
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}
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],
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"stats": "{\"totalAccepted\": \"30.3K\", \"totalSubmission\": \"85.9K\", \"totalAcceptedRaw\": 30268, \"totalSubmissionRaw\": 85898, \"acRate\": \"35.2%\"}",
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"stats": "{\"totalAccepted\": \"30.3K\", \"totalSubmission\": \"86.1K\", \"totalAcceptedRaw\": 30337, \"totalSubmissionRaw\": 86077, \"acRate\": \"35.2%\"}",
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"hints": [
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"如果使用前序遍历来遍历树,元素的顺序是正确的,这是否表明树实际上是有序的?有重复元素会发生什么?如果允许重复元素,它们必须位于特定的一边(通常是左边)。",
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"作为一个二叉搜索树,并不是说每个节点都满足left.value <= current.value < right就够了。左边的每个节点必须小于当前节点,该节点还必须小于右边的所有节点。",
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