Concepts5
ποΈData StructureAdvanced
Palindromic Tree (Eertree)
A Palindromic Tree (Eertree) stores every distinct palindromic substring of a string as a node and can be built online in linear time.
#palindromic tree#eertree#palindromic substrings+12
ποΈData StructureAdvanced
Suffix Automaton - Advanced Usage
A suffix automaton (SAM) is a compact DFA that captures all distinct substrings of a string and supports many advanced queries in linear time.
#suffix automaton#endpos#suffix link+12
ποΈData StructureAdvanced
Suffix Automaton
A suffix automaton (SAM) is the minimal deterministic finite automaton that recognizes all substrings of a string, built online in O(n) time and space.
#suffix automaton#endpos equivalence#suffix link+12
ποΈData StructureAdvanced
Aho-Corasick Automaton
AhoβCorasick is a trie with failure links that finds all occurrences of many patterns in a single pass over the text.
#aho-corasick#multi-pattern matching#trie+12
ποΈData StructureAdvanced
Suffix Array - LCP Array Applications
The LCP (Longest Common Prefix) array, built alongside a suffix array, unlocks fast solutions to problems like longest repeated substring, number of distinct substrings, and longest common substring.
#suffix array#lcp array#kasai algorithm+12