| 1 | Minimum number of bracket reversals needed to make an expression balanced |    | | |
| 2 | Count and say | | | |
| 3 | Hashing In Strings | Theory | | | |
| 4 | Rabin Karp | | | |
| 5 | Z-Function | | | |
| 6 | KMP algo / LPS(pi) array | | | |
| 7 | Shortest Palindrome | | | |
| 8 | Longest happy prefix | | | |
| 9 | Count palindromic subsequence in given string | | | |