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leetcode/problem/sorting-the-sentence.html Normal file
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<p>A <strong>sentence</strong> is a list of words that are separated by a single space with no leading or trailing spaces. Each word consists of lowercase and uppercase English letters.</p>
<p>A sentence can be <strong>shuffled</strong> by appending the <strong>1-indexed word position</strong> to each word then rearranging the words in the sentence.</p>
<ul>
<li>For example, the sentence <code>&quot;This is a sentence&quot;</code> can be shuffled as <code>&quot;sentence4 a3 is2 This1&quot;</code> or <code>&quot;is2 sentence4 This1 a3&quot;</code>.</li>
</ul>
<p>Given a <strong>shuffled sentence</strong> <code>s</code> containing no more than <code>9</code> words, reconstruct and return <em>the original sentence</em>.</p>
<p>&nbsp;</p>
<p><strong>Example 1:</strong></p>
<pre>
<strong>Input:</strong> s = &quot;is2 sentence4 This1 a3&quot;
<strong>Output:</strong> &quot;This is a sentence&quot;
<strong>Explanation:</strong> Sort the words in s to their original positions &quot;This1 is2 a3 sentence4&quot;, then remove the numbers.
</pre>