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29 lines
983 B
HTML
29 lines
983 B
HTML
<p>Given a string <code>s</code>, find <em>the longest palindromic <strong>subsequence</strong>'s length in</em> <code>s</code>.</p>
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<p>A <strong>subsequence</strong> is a sequence that can be derived from another sequence by deleting some or no elements without changing the order of the remaining elements.</p>
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<p> </p>
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<p><strong class="example">Example 1:</strong></p>
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<pre>
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<strong>Input:</strong> s = "bbbab"
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<strong>Output:</strong> 4
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<strong>Explanation:</strong> One possible longest palindromic subsequence is "bbbb".
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</pre>
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<p><strong class="example">Example 2:</strong></p>
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<pre>
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<strong>Input:</strong> s = "cbbd"
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<strong>Output:</strong> 2
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<strong>Explanation:</strong> One possible longest palindromic subsequence is "bb".
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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 <= 1000</code></li>
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<li><code>s</code> consists only of lowercase English letters.</li>
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</ul>
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