What are the different implementations of Depth-First Search?

What are the different implementations of Depth-First Search?

Depth-First Search can be implemented using recursion or an explicit stack. Would you like to know more about each method?

Yes, please explain the recursive implementation.

In the recursive implementation, the function calls itself for each adjacent vertex until all vertices are visited. It uses the call stack to keep track of the path.

And how does the stack-based implementation work?

The stack-based implementation uses an explicit stack data structure to keep track of vertices. You push the starting vertex onto the stack, then pop from the stack to explore adjacent vertices.

What are the advantages of using one method over the other?

The recursive method is simpler and easier to implement, while the stack-based method can handle larger graphs without hitting recursion limits.