Write a Java implementation of the Best First Search algorithm for this problem. Your program must read the contents of a start state from a text file. The output of your program must show the sequence of nodes that are expanded. A node in the graph can simply be displayed by printing the heuristic vale and showing the contents of each cell from 1 to 13 in a single line. A zero entry represents an empty cell. For example, State A can be displayed as: h=1 0234567891000 and State B can be displayed as h=9 0000235689147 Your program must show the number of moves taken to reach the goal state. The output of parts a and b must be written to an output file an to the screen. Nine Little Soldiers is a puzzle in which 9 numbered soldiers are trapped in a bomb shelter that has 13 cells as shown in the figure below. A cell's number is shown either below or above the cell, and the soldiers are identified by the numbers inside a circle. A soldier may only move into an adjacent empty cell and no more than one soldier may occupy a single cell. The puzzle requires you to move the soldiers so that soldier: :D:D:D is in cell number 1, in cell number 2, and so on up to soldier: :D:D:D:D:D:D:D: cell number 9. soldier The figure below depicts start state A. 11 12 13 23 456 7891 1 2 3 4 5 6 7 8 9 10

Write a Java implementation of the Best First Search algorithm for this problem. Your program must read the contents of a start state from a text file. The output of your program must show the sequence of nodes that are expanded. A node in the graph can simply be displayed by printing the heuristic vale and showing the contents of each cell from 1 to 13 in a single line. A zero entry represents an empty cell. For example, State A can be displayed as: h=1 0234567891000 and State B can be displayed as h=9 0000235689147 Your program must show the number of moves taken to reach the goal state. The output of parts a and b must be written to an output file an to the screen. Nine Little Soldiers is a puzzle in which 9 numbered soldiers are trapped in a bomb shelter that has 13 cells as shown in the figure below. A cell's number is shown either below or above the cell, and the soldiers are identified by the numbers inside a circle. A soldier may only move into an adjacent empty cell and no more than one soldier may occupy a single cell. The puzzle requires you to move the soldiers so that soldier: :D:D:D is in cell number 1, in cell number 2, and so on up to soldier: :D:D:D:D:D:D:D: cell number 9. soldier The figure below depicts start state A. 11 12 13 23 456 7891 1 2 3 4 5 6 7 8 9 10

EBK JAVA PROGRAMMING

9th Edition

ISBN:9781337671385

Author:FARRELL

Publisher:FARRELL

Chapter9: Advanced Array Concepts

Section: Chapter Questions

Problem 2GZ

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