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To me following is a particularly interesting question,
Why is interesting you ask? I’ll answer it tomorrow. Going over it here would spoil the answer. For now, just take my word for it. After all, have I ever lied it you?
What is this question you ask?
This problem can be found as problem 567. Permutation in String
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Problem
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
ands2
consist of lowercase English letters.
You can test your solution here
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