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leetcode-problemset/leetcode-cn/problem (Chinese)/返回倒数第 k 个节点 [kth-node-from-end-of-list-lcci].html
2022-03-29 12:43:11 +08:00

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<p>实现一种算法,找出单向链表中倒数第 k 个节点。返回该节点的值。</p>
<p><strong>注意:</strong>本题相对原题稍作改动</p>
<p><strong>示例:</strong></p>
<pre><strong>输入:</strong> 1-&gt;2-&gt;3-&gt;4-&gt;5 和 <em>k</em> = 2
<strong>输出: </strong>4</pre>
<p><strong>说明:</strong></p>
<p>给定的 <em>k</em>&nbsp;保证是有效的。</p>