shortest-palindrome

Algorithms

Shortest Palindrome

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shortestPalindrome

You are given a string <code>s</code>. You can convert <code>s</code> to a palindrome by adding characters in front of it.

Return the shortest palindrome you can find by performing this transformation.

&nbsp;
Example 1:
<pre>Input: s = "aacecaaa"
Output: "aaacecaaa"
</pre>Example 2:
<pre>Input: s = "abcd"
Output: "dcbabcd"
</pre>
&nbsp;
Constraints:

<ul>
	<li><code>0 &lt;= s.length &lt;= 5 * 104</code></li>
	<li><code>s</code> consists of lowercase English letters only.</li>
</ul>

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