Internal Node
Leaf Node
Active Point
Suffix Link

Input String

Construction State

Enter a string above
Active Point: (root, ε, 0)

Controls

Statistics

0
Phase
1
Nodes
0
Extensions
0
Remainder

Operation Log

About Ukkonen's Algorithm

  • Online: builds tree incrementally
  • O(n) time complexity
  • Uses active point (node, edge, length)
  • Suffix links enable fast traversal
  • Implicit end for leaf edges