mirror of
https://gitee.com/coder-xiaomo/leetcode-problemset
synced 2025-11-04 19:53:12 +08:00
33 lines
979 B
HTML
33 lines
979 B
HTML
<p>Given the <code>head</code> of a linked list and an integer <code>val</code>, remove all the nodes of the linked list that has <code>Node.val == val</code>, and return <em>the new head</em>.</p>
|
|
|
|
<p> </p>
|
|
<p><strong>Example 1:</strong></p>
|
|
<img alt="" src="https://assets.leetcode.com/uploads/2021/03/06/removelinked-list.jpg" style="width: 500px; height: 142px;" />
|
|
<pre>
|
|
<strong>Input:</strong> head = [1,2,6,3,4,5,6], val = 6
|
|
<strong>Output:</strong> [1,2,3,4,5]
|
|
</pre>
|
|
|
|
<p><strong>Example 2:</strong></p>
|
|
|
|
<pre>
|
|
<strong>Input:</strong> head = [], val = 1
|
|
<strong>Output:</strong> []
|
|
</pre>
|
|
|
|
<p><strong>Example 3:</strong></p>
|
|
|
|
<pre>
|
|
<strong>Input:</strong> head = [7,7,7,7], val = 7
|
|
<strong>Output:</strong> []
|
|
</pre>
|
|
|
|
<p> </p>
|
|
<p><strong>Constraints:</strong></p>
|
|
|
|
<ul>
|
|
<li>The number of nodes in the list is in the range <code>[0, 10<sup>4</sup>]</code>.</li>
|
|
<li><code>1 <= Node.val <= 50</code></li>
|
|
<li><code>0 <= val <= 50</code></li>
|
|
</ul>
|