Package g0501_0600.s0567_permutation_in_string

Class Solution

java.lang.Object
g0501_0600.s0567_permutation_in_string.Solution
public class Solution extends java.lang.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 Summary

    Constructors
    Constructor
    Description
    Solution()
     

  • Method Summary

    Modifier and Type
    Method
    Description
    boolean
    checkInclusion(java.lang.String s1, java.lang.String s2)
     

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

  • Constructor Details

    • Solution

      public Solution()

  • Method Details

    • checkInclusion

      public boolean checkInclusion(java.lang.String s1, java.lang.String s2)