What is the complexity of iterative deepening DFS?
The time complexity of iterative deepening DFS is O(b^d), where b is the branching factor and d is the depth of the solution.
How does it compare to regular DFS?
Unlike regular DFS, which can get stuck in deep branches, iterative deepening DFS combines depth-first search's space efficiency with breadth-first search's completeness.
What are the advantages of using iterative deepening DFS?
It uses less memory than breadth-first search and guarantees finding the shortest path in an unweighted graph.
Are there any drawbacks to this approach?
Yes, it can be slower than DFS in some cases due to repeated exploration of nodes at shallower depths.
Can you give an example of where it would be useful?
It's particularly useful in scenarios with large search spaces, like puzzle solving or AI game playing, where memory is a constraint.
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