for dfsWithoutRecursion, when a node popped from the stack it should be checked that the current node is visited or not. Since stack has duplicated nodes, some nodes is visired doubly.
Algorithms - Searching
This module contains articles about searching algorithms.
Relevant articles:
- Binary Search Algorithm in Java
- Depth First Search in Java
- Interpolation Search in Java
- Breadth-First Search Algorithm in Java
- String Search Algorithms for Large Texts with Java
- Monte Carlo Tree Search for Tic-Tac-Toe Game in Java
- Range Search Algorithm in Java
- Fast Pattern Matching of Strings Using Suffix Tree in Java
- Find the Kth Smallest Element in Two Sorted Arrays in Java