Heuristic search: Heuristic search method is a method of search in which goal is achieved by searching the heuristic value. The heuristic value may be based on a heuristic function. The node with highest heuristic value is chosen first as compared to other nodes which have a lower heuristic values.

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The puzzle called the Towers of Hanoi consists of three pegs, one of which contains several rings stacked in order of descending diameter from bottom to top. The problem is to move the stack of rings to another peg. You are allowed to move only one ring at a time, and at no time is a ring to be placed on top of a smaller one. Observe that if the puzzle involved only one ring, it would be extremely easy. Moreover, when faced with the problem of moving several rings, if you could move all but the largest ring to another peg, the largest ring could then be placed on the third peg, and then the problem would be to move the remaining rings on top of it. Using this observation, develop a recursive algorithm for solving the Towers of Hanoi puzzle for an arbitrary number of rings.

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Chapter 11, Problem 31CRP

Program Plan Intro

Heuristic search:

Heuristic search method is a method of search in which goal is achieved by searching the heuristic value. The heuristic value may be based on a heuristic function. The node with highest heuristic value is chosen first as compared to other nodes which have a lower heuristic values.

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The puzzle called the Towers of Hanoi consists of three pegs, one of which contains several rings stacked in order of descending diameter from bottom to top. The problem is to move the stack of rings to another peg. You are allowed to move only one ring at a time, and at no time is a ring to be placed on top of a smaller one. Observe that if the puzzle involved only one ring, it would be extremely easy. Moreover, when faced with the problem of moving several rings, if you could move all but the largest ring to another peg, the largest ring could then be placed on the third peg, and then the problem would be to move the remaining rings on top of it. Using this observation, develop a recursive algorithm for solving the Towers of Hanoi puzzle for an arbitrary number of rings.

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