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31 lines
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31 lines
1.5 KiB
HTML
<p>Given an array of strings <code>words</code> (<strong>without duplicates</strong>), return <em>all the <strong>concatenated words</strong> in the given list of</em> <code>words</code>.</p>
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<p>A <strong>concatenated word</strong> is defined as a string that is comprised entirely of at least two shorter words in the given array.</p>
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<p> </p>
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<p><strong>Example 1:</strong></p>
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<pre>
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<strong>Input:</strong> words = ["cat","cats","catsdogcats","dog","dogcatsdog","hippopotamuses","rat","ratcatdogcat"]
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<strong>Output:</strong> ["catsdogcats","dogcatsdog","ratcatdogcat"]
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<strong>Explanation:</strong> "catsdogcats" can be concatenated by "cats", "dog" and "cats";
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"dogcatsdog" can be concatenated by "dog", "cats" and "dog";
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"ratcatdogcat" can be concatenated by "rat", "cat", "dog" and "cat".</pre>
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<p><strong>Example 2:</strong></p>
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<pre>
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<strong>Input:</strong> words = ["cat","dog","catdog"]
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<strong>Output:</strong> ["catdog"]
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</pre>
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<p> </p>
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<p><strong>Constraints:</strong></p>
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<ul>
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<li><code>1 <= words.length <= 10<sup>4</sup></code></li>
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<li><code>0 <= words[i].length <= 30</code></li>
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<li><code>words[i]</code> consists of only lowercase English letters.</li>
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<li><code>0 <= sum(words[i].length) <= 10<sup>5</sup></code></li>
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</ul>
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