Introduction to Artificial Intelligence - Old Questions

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3.  Consider the following graph, steps cost is given on the arrow: Assume that the successors of a state are generated in alphabetical order, and that there is no repeated state checking. A is the starting node and C is goal node.

                                    

a. Of the four algorithms breadth-first, depth-first and iterative-deepening, which find a solution in this case?

b. Write sequence of node expanding by algorithm if finds solution.


6 marks
Asked in 2071

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a. BFS finds the solution as DFS and iterative deepening enter the infinite loop due to no repeated state checking.

b. Using BFS: A --> C