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小墨
2023-12-09 18:42:21 +08:00
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leetcode/problem/flatten-a-multilevel-doubly-linked-list.html
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@@ -5,7 +5,7 @@
<p>Return <em>the </em><code>head</code><em> of the flattened list. The nodes in the list must have <strong>all</strong> of their child pointers set to </em><code>null</code>.</p>
<p>&nbsp;</p>
<p><strong>Example 1:</strong></p>
<p><strong class="example">Example 1:</strong></p>
<img alt="" src="https://assets.leetcode.com/uploads/2021/11/09/flatten11.jpg" style="width: 700px; height: 339px;" />
<pre>
<strong>Input:</strong> head = [1,2,3,4,5,6,null,null,null,7,8,9,10,null,null,11,12]
@@ -15,7 +15,7 @@ After flattening the multilevel linked list it becomes:
<img src="https://assets.leetcode.com/uploads/2021/11/09/flatten12.jpg" style="width: 1000px; height: 69px;" />
</pre>
<p><strong>Example 2:</strong></p>
<p><strong class="example">Example 2:</strong></p>
<img alt="" src="https://assets.leetcode.com/uploads/2021/11/09/flatten2.1jpg" style="width: 200px; height: 200px;" />
<pre>
<strong>Input:</strong> head = [1,2,null,3]
@@ -25,7 +25,7 @@ After flattening the multilevel linked list it becomes:
<img src="https://assets.leetcode.com/uploads/2021/11/24/list.jpg" style="width: 300px; height: 87px;" />
</pre>
<p><strong>Example 3:</strong></p>
<p><strong class="example">Example 3:</strong></p>
<pre>
<strong>Input:</strong> head = []
@@ -44,7 +44,7 @@ After flattening the multilevel linked list it becomes:
<p>&nbsp;</p>
<p><strong>How the multilevel linked list is represented in test cases:</strong></p>
<p>We use the multilevel linked list from <strong>Example 1</strong> above:</p>
<p>We use the multilevel linked list from <strong class="example">Example 1</strong> above:</p>
<pre>
1---2---3---4---5---6--NULL