How to Solve Permutation in String Problem
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Permutation in String
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.
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Understanding the Permutation in String Problem
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Problem Statement
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.
Permutation in String
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Examples
s1 = "ab", s2 = "eidbaooo"
true
s2 contains one permutation of s1 ("ba").
s1 = "ab", s2 = "eidboaoo"
false
Constraints
1 <= s1.length, s2.length <= 104
s1 and s2 consist of lowercase English letters.
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