What are some common mistakes in depth-first search algorithms?
Some common mistakes include not marking nodes as visited, leading to infinite loops, and using the wrong data structure.
Can you explain why not marking nodes as visited is a problem?
Not marking nodes as visited can cause the algorithm to revisit the same nodes repeatedly, resulting in infinite loops.
What data structure should I use for depth-first search?
Typically, a stack is used for depth-first search, either explicitly or through recursion.
Are there any specific scenarios where depth-first search fails?
Yes, depth-first search can fail in scenarios with cycles or when the solution is far from the starting node.
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