Package g0501_0600.s0567_permutation_in_string

Class Solution

java.lang.Object
g0501_0600.s0567_permutation_in_string.Solution
public class Solution extends Object
567 - Permutation in String.

Medium

Given two strings s1 and s2, return true if s2 contains a permutation of s1, or false otherwise.

In other words, return true if one of s1’s permutations is the substring of s2.

Example 1:

Input: s1 = “ab”, s2 = “eidbaooo”

Output: true

Explanation: s2 contains one permutation of s1 (“ba”).

Example 2:

Input: s1 = “ab”, s2 = “eidboaoo”

Output: false

Constraints:

  • 1 <= s1.length, s2.length <= 104
  • s1 and s2 consist of lowercase English letters.

  • Constructor Details

    • Solution

      public Solution()

  • Method Details

    • checkInclusion

      public boolean checkInclusion(String s1, String s2)