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34 lines
932 B
HTML
34 lines
932 B
HTML
<p>Given a string <code>s</code>, check if it can be constructed by taking a substring of it and appending multiple copies of the substring together.</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> s = "abab"
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<strong>Output:</strong> true
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<strong>Explanation:</strong> It is the substring "ab" twice.
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</pre>
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<p><strong>Example 2:</strong></p>
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<pre>
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<strong>Input:</strong> s = "aba"
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<strong>Output:</strong> false
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</pre>
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<p><strong>Example 3:</strong></p>
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<pre>
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<strong>Input:</strong> s = "abcabcabcabc"
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<strong>Output:</strong> true
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<strong>Explanation:</strong> It is the substring "abc" four times or the substring "abcabc" twice.
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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 <= s.length <= 10<sup>4</sup></code></li>
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<li><code>s</code> consists of lowercase English letters.</li>
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</ul>
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