https://leetcode.com/problems/valid-palindrome-ii
Source
bool validPalindrome(string s) {
...
https://leetcode.com/problems/valid-palindrome
Source
bool isPalindrome(string s) {
...
https://leetcode.com/problems/find-the-index-of-the-first-occurrence-in-a-string
Source
in...
https://leetcode.com/problems/isomorphic-strings
Source
bool isIsomorphic(string s, string...
https://leetcode.com/problems/is-subsequence
Source
bool isSubsequence(string s, string t)...
