Z-Algo
- https://www.spoj.com/problems/QUERYSTR/ Code
- https://www.spoj.com/problems/EPALIN/ Code
- https://www.spoj.com/problems/FINDSR/ Code
- https://codeforces.net/problemset/problem/471/D Code
- https://www.spoj.com/problems/NHAY/ Code
- https://codeforces.net/problemset/problem/126/B Code
TRIE ; Data structure
- https://www.spoj.com/problems/SUBXOR/
- https://www.spoj.com/problems/PHONELST/
- https://icpcarchive.ecs.baylor.edu/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=2683
- https://codeforces.net/problemset/problem/706/D
- https://codeforces.net/problemset/problem/665/E
- https://codeforces.net/problemset/problem/282/E
- https://codeforces.net/problemset/problem/271/D
Manacher Algorithm
Suffix Array
String Hashing