Class Solution

java.lang.Object
g0501_0600.s0567_permutation_in_string.Solution

public class Solution extends Object
567 - Permutation in String.<p>Medium</p> <p>Given two strings <code>s1</code> and <code>s2</code>, return <code>true</code> <em>if</em> <code>s2</code> <em>contains a permutation of</em> <code>s1</code><em>, or</em> <code>false</code> <em>otherwise</em>.</p> <p>In other words, return <code>true</code> if one of <code>s1</code>&rsquo;s permutations is the substring of <code>s2</code>.</p> <p><strong>Example 1:</strong></p> <p><strong>Input:</strong> s1 = &ldquo;ab&rdquo;, s2 = &ldquo;eidbaooo&rdquo;</p> <p><strong>Output:</strong> true</p> <p><strong>Explanation:</strong> s2 contains one permutation of s1 (&ldquo;ba&rdquo;).</p> <p><strong>Example 2:</strong></p> <p><strong>Input:</strong> s1 = &ldquo;ab&rdquo;, s2 = &ldquo;eidboaoo&rdquo;</p> <p><strong>Output:</strong> false</p> <p><strong>Constraints:</strong></p> <ul> <li><code>1 <= s1.length, s2.length <= 10<sup>4</sup></code></li> <li><code>s1</code> and <code>s2</code> consist of lowercase English letters.</li> </ul>
  • Constructor Details

    • Solution

      public Solution()
  • Method Details

    • checkInclusion

      public boolean checkInclusion(String s1, String s2)