Can you explain what iterative depth-first search is?
Iterative depth-first search (DFS) is a graph traversal algorithm that uses a stack to explore nodes.
How does it differ from recursive DFS?
The main difference is that iterative DFS uses an explicit stack, while recursive DFS uses the call stack.
Can you give me an example of how it works?
Sure! Imagine a tree structure; iterative DFS would push the root node onto a stack, then explore each child node.
What are the advantages of using iterative DFS?
Iterative DFS can handle larger graphs without risking stack overflow, making it more robust for deep trees.
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