Consider a state space where the start state is number 1 and each state k has two successors: numbers 2k and 2k+1. 1. Draw the portion of the state space for states 1 to 15. 2. Suppose the goal state is 11. List the order in which nodes will be visited for breadth-first search, depth-limited search with limit 3, and iterative deepening search. 3. How well would bidirectional search work on this problem? What is the branching factor in each direction of the bidirectional search? 4. Does the answer to (c) suggest a reformulation of the problem that would allow you to solve the problem of getting from state 1 to a given goal state with almost no search? 5. Call the action going from k to 2k Left, and the action going to 2k+1 Right. Can you find an algorithm that outputs the solution to this problem without any search at all?

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
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Consider a state space where the start state is number 1 and each state k has two successors: numbers 2k and 2k+1. 1. Draw the portion of the state space for states 1 to 15. 2. Suppose the goal state is 11. List the order in which nodes will be visited for breadth-first search, depth-limited search with limit 3, and iterative deepening search. 3. How well would bidirectional search work on this problem? What is the branching factor in each direction of the bidirectional search? 4. Does the answer to (c) suggest a reformulation of the problem that would allow you to solve the problem of getting from state 1 to a given goal state with almost no search? 5. Call the action going from k to 2k Left, and the action going to 2k+1 Right. Can you find an algorithm that outputs the solution to this problem without any search at all?
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