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leetcode-cn/problem (Chinese)/最后一个单词的长度 [length-of-last-word].html Normal file
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<p>给你一个字符串 <code>s</code>，由若干单词组成，单词前后用一些空格字符隔开。返回字符串中 <strong>最后一个</strong> 单词的长度。</p>
<p><strong>单词</strong> 是指仅由字母组成、不包含任何空格字符的最大子字符串。</p>
<p>&nbsp;</p>
<p><strong>示例 1：</strong></p>
<pre>
<strong>输入：</strong>s = "Hello World"
<strong>输出：</strong>5
<strong>解释：</strong>最后一个单词是“World”，长度为5。
</pre>
<p><strong>示例 2：</strong></p>
<pre>
<strong>输入：</strong>s = " fly me to the moon "
<strong>输出：</strong>4<strong>
解释：</strong>最后一个单词是“moon”，长度为4。
</pre>
<p><strong>示例 3：</strong></p>
<pre>
<strong>输入：</strong>s = "luffy is still joyboy"
<strong>输出：</strong>6
<strong>解释：</strong>最后一个单词是长度为6的“joyboy”。
</pre>
<p>&nbsp;</p>
<p><strong>提示：</strong></p>
<ul>
<li><code>1 &lt;= s.length &lt;= 10<sup>4</sup></code></li>
<li><code>s</code> 仅有英文字母和空格 <code>' '</code> 组成</li>
<li><code>s</code> 中至少存在一个单词</li>
</ul>