What are the differences between iterative and recursive DFS?
An example of an AI chatbot conversation about iterative vs recursive depth-first search (DFS) algorithms.
What are the differences between iterative and recursive DFS?
Iterative DFS uses a stack data structure to explore nodes, while recursive DFS uses the call stack. Both traverse graphs.
Can you explain how the stack works in iterative DFS?
In iterative DFS, a stack is used to keep track of nodes to visit. You push the starting node onto the stack and pop nodes to explore.
What are the advantages of using iterative DFS over recursive DFS?
Iterative DFS avoids stack overflow issues with deep recursion and can be more efficient in terms of memory usage.
Are there any scenarios where recursive DFS is preferred?
Yes, recursive DFS can be simpler to implement and understand, especially for problems that naturally fit a recursive approach.
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