Compare commits
8 Commits
dbfe4c6fe8
...
53d046858f
Author | SHA1 | Date | |
---|---|---|---|
|
53d046858f | ||
|
5c2fde6c69 | ||
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75c215e4ec | ||
cbd6f48667 | |||
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1b9af7a6ad | ||
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261e49b329 | ||
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e13806a179 | ||
|
db5565c1ae |
13
.idea/compiler.xml
Normal file
13
.idea/compiler.xml
Normal file
@ -0,0 +1,13 @@
|
||||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<project version="4">
|
||||
<component name="CompilerConfiguration">
|
||||
<annotationProcessing>
|
||||
<profile name="Maven default annotation processors profile" enabled="true">
|
||||
<sourceOutputDir name="target/generated-sources/annotations" />
|
||||
<sourceTestOutputDir name="target/generated-test-sources/test-annotations" />
|
||||
<outputRelativeToContentRoot value="true" />
|
||||
<module name="CS3642-Artificial_Intelligence" />
|
||||
</profile>
|
||||
</annotationProcessing>
|
||||
</component>
|
||||
</project>
|
7
.idea/encodings.xml
Normal file
7
.idea/encodings.xml
Normal file
@ -0,0 +1,7 @@
|
||||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<project version="4">
|
||||
<component name="Encoding">
|
||||
<file url="file://$PROJECT_DIR$/src/main/java" charset="UTF-8" />
|
||||
<file url="file://$PROJECT_DIR$/src/main/resources" charset="UTF-8" />
|
||||
</component>
|
||||
</project>
|
20
.idea/jarRepositories.xml
Normal file
20
.idea/jarRepositories.xml
Normal file
@ -0,0 +1,20 @@
|
||||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<project version="4">
|
||||
<component name="RemoteRepositoriesConfiguration">
|
||||
<remote-repository>
|
||||
<option name="id" value="central" />
|
||||
<option name="name" value="Central Repository" />
|
||||
<option name="url" value="https://repo.maven.apache.org/maven2" />
|
||||
</remote-repository>
|
||||
<remote-repository>
|
||||
<option name="id" value="central" />
|
||||
<option name="name" value="Maven Central repository" />
|
||||
<option name="url" value="https://repo1.maven.org/maven2" />
|
||||
</remote-repository>
|
||||
<remote-repository>
|
||||
<option name="id" value="jboss.community" />
|
||||
<option name="name" value="JBoss Community repository" />
|
||||
<option name="url" value="https://repository.jboss.org/nexus/content/repositories/public/" />
|
||||
</remote-repository>
|
||||
</component>
|
||||
</project>
|
@ -1,5 +1,13 @@
|
||||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<project version="4">
|
||||
<component name="ExternalStorageConfigurationManager" enabled="true" />
|
||||
<component name="MavenProjectsManager">
|
||||
<option name="originalFiles">
|
||||
<list>
|
||||
<option value="$PROJECT_DIR$/pom.xml" />
|
||||
</list>
|
||||
</option>
|
||||
</component>
|
||||
<component name="ProjectRootManager" version="2" languageLevel="JDK_19" default="true" project-jdk-name="19" project-jdk-type="JavaSDK">
|
||||
<output url="file://$PROJECT_DIR$/out" />
|
||||
</component>
|
||||
|
@ -1,12 +1,9 @@
|
||||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<module type="JAVA_MODULE" version="4">
|
||||
<component name="NewModuleRootManager" inherit-compiler-output="true">
|
||||
<exclude-output />
|
||||
<content url="file://$MODULE_DIR$">
|
||||
<component name="AdditionalModuleElements">
|
||||
<content url="file://$MODULE_DIR$" dumb="true">
|
||||
<sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
|
||||
<excludeFolder url="file://$MODULE_DIR$/src/main/java/Assignments/A1/results" />
|
||||
</content>
|
||||
<orderEntry type="inheritedJdk" />
|
||||
<orderEntry type="sourceFolder" forTests="false" />
|
||||
<orderEntry type="library" name="junit" level="project" />
|
||||
</component>
|
||||
</module>
|
45
pom.xml
Normal file
45
pom.xml
Normal file
@ -0,0 +1,45 @@
|
||||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<project xmlns="http://maven.apache.org/POM/4.0.0"
|
||||
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
|
||||
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
|
||||
<modelVersion>4.0.0</modelVersion>
|
||||
|
||||
<groupId>edu.jturn.cs3642</groupId>
|
||||
<artifactId>CS3642-Artificial_Intelligence</artifactId>
|
||||
<version>1.0</version>
|
||||
|
||||
<properties>
|
||||
<maven.compiler.source>19</maven.compiler.source>
|
||||
<maven.compiler.target>19</maven.compiler.target>
|
||||
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
|
||||
</properties>
|
||||
<dependencies>
|
||||
<dependency>
|
||||
<groupId>org.openjfx</groupId>
|
||||
<artifactId>javafx-controls</artifactId>
|
||||
<version>12.0.2</version>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.openjfx</groupId>
|
||||
<artifactId>javafx-fxml</artifactId>
|
||||
<version>20.0.1</version>
|
||||
</dependency>
|
||||
</dependencies>
|
||||
<build>
|
||||
<plugins>
|
||||
<plugin>
|
||||
<groupId>org.apache.maven.plugins</groupId>
|
||||
<artifactId>maven-compiler-plugin</artifactId>
|
||||
<version>3.11.0</version>
|
||||
</plugin>
|
||||
<plugin>
|
||||
<groupId>org.openjfx</groupId>
|
||||
<artifactId>javafx-maven-plugin</artifactId>
|
||||
<version>0.0.8</version>
|
||||
<configuration>
|
||||
<mainClass>edu.jturn.cs3642.CS3642-Artificial_Intelligence/Assignments.A1.GUIDriver</mainClass>
|
||||
</configuration>
|
||||
</plugin>
|
||||
</plugins>
|
||||
</build>
|
||||
</project>
|
@ -1,52 +0,0 @@
|
||||
package Assignments.A1;
|
||||
|
||||
// Potentially will be changed to an UI Implementation with JavaFX if time permits.
|
||||
|
||||
import Assignments.A1.models.Board;
|
||||
import Assignments.A1.models.BoardGenerator;
|
||||
import Assignments.A1.solving_algorithms.DFS;
|
||||
|
||||
import java.util.ArrayList;
|
||||
import java.util.Date;
|
||||
import java.util.concurrent.TimeUnit;
|
||||
|
||||
/**
|
||||
* Board will be used to save locations in a 2D array.
|
||||
*
|
||||
* The design of the board locations will be numbered like so:
|
||||
* 0 1 2
|
||||
* 3 4 5
|
||||
* 6 7 8
|
||||
*
|
||||
* The values will be specified with an int. Must be between (inclusive) 1-8.
|
||||
* The empty spot will be represented with null.
|
||||
*/
|
||||
public class Driver {
|
||||
|
||||
public static void main(String[] args) {
|
||||
ArrayList<Long> timer = new ArrayList<>();
|
||||
int successes = 0;
|
||||
for (int run = 0; run < 100; run++) {
|
||||
Board board = BoardGenerator.generateBoard();
|
||||
DFS solver = new DFS();
|
||||
Date start = new Date();
|
||||
Board result = solver.dfs(board,0);
|
||||
Date end = new Date();
|
||||
if (result != null) {
|
||||
System.out.println("solved");
|
||||
long runtime = end.getTime() - start.getTime();
|
||||
timer.add(runtime);
|
||||
successes++;
|
||||
}
|
||||
}
|
||||
long total = 0;
|
||||
for (int i = 0; i < timer.size(); i++) {
|
||||
total += timer.get(i);
|
||||
System.out.println("Run " + (i+1) + ": " + timer.get(i));
|
||||
}
|
||||
long average = total / (long) timer.size();
|
||||
System.out.println("Average Runtime: " + average);
|
||||
System.out.println("Number of successful solves: " + successes + "/100");
|
||||
}
|
||||
|
||||
}
|
@ -1,4 +0,0 @@
|
||||
package Assignments.A1.solving_algorithms;
|
||||
|
||||
public class AStar {
|
||||
}
|
@ -1,4 +0,0 @@
|
||||
package Assignments.A1.solving_algorithms;
|
||||
|
||||
public class BFS {
|
||||
}
|
@ -1,4 +0,0 @@
|
||||
package Assignments.A1.solving_algorithms;
|
||||
|
||||
public class UCS {
|
||||
}
|
154
src/main/java/Assignments/A1/Driver.java
Normal file
154
src/main/java/Assignments/A1/Driver.java
Normal file
@ -0,0 +1,154 @@
|
||||
package Assignments.A1;
|
||||
|
||||
// Potentially will be changed to an UI Implementation with JavaFX if time permits.
|
||||
|
||||
import Assignments.A1.models.Board;
|
||||
import Assignments.A1.models.BoardGenerator;
|
||||
import Assignments.A1.models.BoardNode;
|
||||
import Assignments.A1.solving_algorithms.AStar;
|
||||
import Assignments.A1.solving_algorithms.BFS;
|
||||
import Assignments.A1.solving_algorithms.UCS;
|
||||
|
||||
import java.awt.*;
|
||||
import java.io.File;
|
||||
import java.io.FileNotFoundException;
|
||||
import java.io.FileWriter;
|
||||
import java.io.IOException;
|
||||
import java.net.URI;
|
||||
import java.net.URL;
|
||||
import java.util.ArrayList;
|
||||
import java.util.Date;
|
||||
import java.util.PriorityQueue;
|
||||
|
||||
/**
|
||||
* Board will be used to save locations in a 2D array.
|
||||
* <p>
|
||||
* The design of the board locations will be numbered like so:
|
||||
* 0 1 2
|
||||
* 3 4 5
|
||||
* 6 7 8
|
||||
* <p>
|
||||
* 1 2 3
|
||||
* 8 0 4
|
||||
* 7 6 5
|
||||
* <p>
|
||||
* The values will be specified with an int. Must be between (inclusive) 1-8.
|
||||
* The empty spot will be represented with null.
|
||||
*/
|
||||
public class Driver {
|
||||
|
||||
public static void main(String[] args) {
|
||||
ArrayList<Long> timer = new ArrayList<>();
|
||||
int successes = 0;
|
||||
int runs = 1;
|
||||
BoardNode node = null;
|
||||
for (int run = 0; run < runs; run++) {
|
||||
Board board = BoardGenerator.generateBoard();
|
||||
// DFS solver = new DFS();
|
||||
// BFS solver = new BFS();
|
||||
// UCS solver = new UCS();
|
||||
AStar solver = new AStar();
|
||||
Date start = new Date();
|
||||
BoardNode result = solver.traverse(board);
|
||||
Date end = new Date();
|
||||
if (result.board != null) {
|
||||
long runtime = end.getTime() - start.getTime();
|
||||
timer.add(runtime);
|
||||
successes++;
|
||||
node = result;
|
||||
}
|
||||
}
|
||||
long total = 0;
|
||||
for (int i = 0; i < timer.size(); i++) {
|
||||
total += timer.get(i);
|
||||
System.out.println("Run " + (i + 1) + ": " + timer.get(i));
|
||||
}
|
||||
long average = total / (long) timer.size();
|
||||
System.out.println("Average Runtime: " + average);
|
||||
System.out.println("Number of successful solves: " + successes + "/" + runs);
|
||||
|
||||
StringBuffer result = printTotalHierarchy(node);
|
||||
writeToFile("AStar", result);
|
||||
}
|
||||
|
||||
|
||||
// public static void main(String[] args) {
|
||||
// int[] values = {1, 2, 3, 8, 0, 5, 4, 7, 6};
|
||||
// BoardNode node = new BoardNode(new Board(values), null);
|
||||
// System.out.println(node.heuristic);
|
||||
// }
|
||||
|
||||
|
||||
private static StringBuffer printTotalHierarchy(BoardNode root, int depth, boolean hasMoreChildren) {
|
||||
StringBuffer output = new StringBuffer();
|
||||
for (int i = 0; i < depth - 1; i++) {
|
||||
output.append("│ ");
|
||||
}
|
||||
if (hasMoreChildren) {
|
||||
output.append("├── ").append(root.board.toString()).append(System.lineSeparator());
|
||||
} else {
|
||||
output.append("└── ").append(root.board.toString()).append(System.lineSeparator());
|
||||
}
|
||||
|
||||
for (int i = 0; i < root.children.size(); i++) {
|
||||
if (i == root.children.size() - 1) {
|
||||
output.append(printTotalHierarchy(root.children.get(i), depth+1, false));
|
||||
} else {
|
||||
output.append(printTotalHierarchy(root.children.get(i), depth+1, true));
|
||||
}
|
||||
}
|
||||
return output;
|
||||
}
|
||||
|
||||
public static StringBuffer printTotalHierarchy(BoardNode solved) {
|
||||
BoardNode root = null;
|
||||
while (solved.parent != null) {
|
||||
solved = solved.parent;
|
||||
}
|
||||
root = solved;
|
||||
|
||||
StringBuffer output = new StringBuffer();
|
||||
output.append(root.board.toString()).append(System.lineSeparator());
|
||||
if (root.children.size() == 1) {
|
||||
output.append(printTotalHierarchy(root.children.get(0), 1, false));
|
||||
} else {
|
||||
for (int i = 0; i < root.children.size(); i++) {
|
||||
if (i == root.children.size() - 1) {
|
||||
output.append(printTotalHierarchy(root.children.get(i), 1, false));
|
||||
} else {
|
||||
output.append(printTotalHierarchy(root.children.get(i), 1, true));
|
||||
}
|
||||
}
|
||||
}
|
||||
return output;
|
||||
}
|
||||
|
||||
private static void writeToFile(String name, StringBuffer values) {
|
||||
URL resourcePath = Driver.class.getResource("/A1/results/AStar.txt");
|
||||
URI resourceURI = URI.create(resourcePath.toString());
|
||||
File resource = new File(resourceURI.getPath());
|
||||
|
||||
try (FileWriter out = new FileWriter(resource)) {
|
||||
out.write(values.toString());
|
||||
System.out.println("Data written to file: " + name + ".txt");
|
||||
} catch (IOException e) {
|
||||
System.err.println("Error writing to file: " + e.getMessage());
|
||||
}
|
||||
openDirectoryFile(resource);
|
||||
}
|
||||
|
||||
private static void openDirectoryFile(File open) {
|
||||
if (!Desktop.isDesktopSupported() || !Desktop.getDesktop().isSupported(Desktop.Action.OPEN)) {
|
||||
System.out.println("Desktop is not supported");
|
||||
return;
|
||||
}
|
||||
Desktop desktop = Desktop.getDesktop();
|
||||
try {
|
||||
desktop.open(open);
|
||||
} catch (IOException e) {
|
||||
e.printStackTrace();
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
}
|
87
src/main/java/Assignments/A1/models/BoardNode.java
Normal file
87
src/main/java/Assignments/A1/models/BoardNode.java
Normal file
@ -0,0 +1,87 @@
|
||||
package Assignments.A1.models;
|
||||
|
||||
import java.util.ArrayList;
|
||||
import java.util.List;
|
||||
|
||||
public class BoardNode implements Comparable<BoardNode> {
|
||||
|
||||
public BoardNode parent;
|
||||
public int heuristic, cost, expected;
|
||||
public Board board;
|
||||
public List<BoardNode> children;
|
||||
|
||||
public BoardNode(Board board, BoardNode parent) {
|
||||
this.board = board;
|
||||
this.parent = parent;
|
||||
this.heuristic = this.getHeuristic();
|
||||
this.cost = this.getActualCost();
|
||||
this.expected = this.cost + this.expected;
|
||||
this.children = new ArrayList<>();
|
||||
}
|
||||
|
||||
private int getActualCost() {
|
||||
if (this.parent != null) {
|
||||
return this.parent.cost + 10;
|
||||
} else {
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
public void addChild(BoardNode node) {
|
||||
children.add(node);
|
||||
}
|
||||
|
||||
|
||||
private int getHeuristic() {
|
||||
int cost = 0;
|
||||
for (int i = 0; i < 9; i++) {
|
||||
int currValue = board.getPiece(i);
|
||||
int idealIndex = idealIndex(currValue);
|
||||
int currRow = i / 3;
|
||||
int currCol = i % 3;
|
||||
int idealRow = idealIndex / 3;
|
||||
int idealCol = idealIndex % 3;
|
||||
cost += Math.abs(idealRow - currRow) + Math.abs(idealCol - currCol);
|
||||
}
|
||||
return cost;
|
||||
}
|
||||
|
||||
private int idealIndex(int value) {
|
||||
int result = -1;
|
||||
switch (value) {
|
||||
case 0:
|
||||
result = 4;
|
||||
break;
|
||||
case 1:
|
||||
result = 0;
|
||||
break;
|
||||
case 2:
|
||||
result = 1;
|
||||
break;
|
||||
case 3:
|
||||
result = 2;
|
||||
break;
|
||||
case 4:
|
||||
result = 5;
|
||||
break;
|
||||
case 5:
|
||||
result = 8;
|
||||
break;
|
||||
case 6:
|
||||
result = 7;
|
||||
break;
|
||||
case 7:
|
||||
result = 6;
|
||||
break;
|
||||
case 8:
|
||||
result = 3;
|
||||
break;
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
@Override
|
||||
public int compareTo(BoardNode o) { // BFS
|
||||
return Integer.compare(this.heuristic, o.heuristic);
|
||||
}
|
||||
}
|
103
src/main/java/Assignments/A1/performance_stats/BFS.txt
Normal file
103
src/main/java/Assignments/A1/performance_stats/BFS.txt
Normal file
@ -0,0 +1,103 @@
|
||||
Run from #e13806a1: (Time in Milliseconds)
|
||||
Run 1: 279
|
||||
Run 2: 280
|
||||
Run 3: 159
|
||||
Run 4: 178
|
||||
Run 5: 165
|
||||
Run 6: 249
|
||||
Run 7: 229
|
||||
Run 8: 138
|
||||
Run 9: 147
|
||||
Run 10: 135
|
||||
Run 11: 151
|
||||
Run 12: 130
|
||||
Run 13: 140
|
||||
Run 14: 132
|
||||
Run 15: 142
|
||||
Run 16: 131
|
||||
Run 17: 146
|
||||
Run 18: 139
|
||||
Run 19: 145
|
||||
Run 20: 143
|
||||
Run 21: 150
|
||||
Run 22: 154
|
||||
Run 23: 146
|
||||
Run 24: 148
|
||||
Run 25: 144
|
||||
Run 26: 142
|
||||
Run 27: 148
|
||||
Run 28: 152
|
||||
Run 29: 128
|
||||
Run 30: 140
|
||||
Run 31: 130
|
||||
Run 32: 160
|
||||
Run 33: 131
|
||||
Run 34: 143
|
||||
Run 35: 134
|
||||
Run 36: 147
|
||||
Run 37: 195
|
||||
Run 38: 204
|
||||
Run 39: 142
|
||||
Run 40: 151
|
||||
Run 41: 149
|
||||
Run 42: 133
|
||||
Run 43: 143
|
||||
Run 44: 148
|
||||
Run 45: 146
|
||||
Run 46: 143
|
||||
Run 47: 129
|
||||
Run 48: 143
|
||||
Run 49: 151
|
||||
Run 50: 141
|
||||
Run 51: 144
|
||||
Run 52: 133
|
||||
Run 53: 145
|
||||
Run 54: 140
|
||||
Run 55: 140
|
||||
Run 56: 147
|
||||
Run 57: 131
|
||||
Run 58: 145
|
||||
Run 59: 139
|
||||
Run 60: 146
|
||||
Run 61: 147
|
||||
Run 62: 126
|
||||
Run 63: 151
|
||||
Run 64: 131
|
||||
Run 65: 141
|
||||
Run 66: 146
|
||||
Run 67: 133
|
||||
Run 68: 143
|
||||
Run 69: 130
|
||||
Run 70: 149
|
||||
Run 71: 145
|
||||
Run 72: 140
|
||||
Run 73: 145
|
||||
Run 74: 130
|
||||
Run 75: 140
|
||||
Run 76: 159
|
||||
Run 77: 148
|
||||
Run 78: 150
|
||||
Run 79: 127
|
||||
Run 80: 146
|
||||
Run 81: 144
|
||||
Run 82: 140
|
||||
Run 83: 140
|
||||
Run 84: 129
|
||||
Run 85: 145
|
||||
Run 86: 137
|
||||
Run 87: 145
|
||||
Run 88: 144
|
||||
Run 89: 127
|
||||
Run 90: 140
|
||||
Run 91: 131
|
||||
Run 92: 153
|
||||
Run 93: 137
|
||||
Run 94: 133
|
||||
Run 95: 144
|
||||
Run 96: 128
|
||||
Run 97: 149
|
||||
Run 98: 150
|
||||
Run 99: 145
|
||||
Run 100: 144
|
||||
Average Runtime: 148
|
||||
Number of successful solves: 100/100
|
@ -11,4 +11,4 @@ public class Parameters {
|
||||
/* Used to prevent DFS from going down only 1 branch */
|
||||
public static final int MAX_DEPTH = 100; // Max number of moves in 8-Puzzle's are 31 moves if solvable.
|
||||
|
||||
}
|
||||
}
|
46
src/main/java/Assignments/A1/solving_algorithms/AStar.java
Normal file
46
src/main/java/Assignments/A1/solving_algorithms/AStar.java
Normal file
@ -0,0 +1,46 @@
|
||||
package Assignments.A1.solving_algorithms;
|
||||
|
||||
import Assignments.A1.models.Board;
|
||||
import Assignments.A1.models.BoardNode;
|
||||
import Assignments.A1.models.Move;
|
||||
|
||||
import java.util.Comparator;
|
||||
import java.util.HashSet;
|
||||
import java.util.List;
|
||||
import java.util.PriorityQueue;
|
||||
|
||||
public class AStar {
|
||||
private final Board solved = new Board();
|
||||
private final HashSet<Board> visited = new HashSet<>();
|
||||
|
||||
public BoardNode traverse(Board root) {
|
||||
PriorityQueue<BoardNode> boards = new PriorityQueue<>(new AStarPriority());
|
||||
boards.add(new BoardNode(root, null));
|
||||
BoardNode node = null;
|
||||
Board current = new Board(root);
|
||||
while (!current.equals(solved)) {
|
||||
node = boards.poll();
|
||||
current = node.board;
|
||||
if (visited.contains(node.board)) {
|
||||
continue;
|
||||
}
|
||||
visited.add(node.board);
|
||||
List<Move> children = node.board.getMoves();
|
||||
for (Move move : children) {
|
||||
Board child = new Board(node.board);
|
||||
child.swap(move);
|
||||
BoardNode childNode = new BoardNode(child, node);
|
||||
boards.add(childNode);
|
||||
node.addChild(childNode);
|
||||
}
|
||||
}
|
||||
return node;
|
||||
}
|
||||
}
|
||||
|
||||
class AStarPriority implements Comparator<BoardNode> {
|
||||
@Override
|
||||
public int compare(BoardNode o1, BoardNode o2) {
|
||||
return Integer.compare(o1.expected, o2.expected);
|
||||
}
|
||||
}
|
49
src/main/java/Assignments/A1/solving_algorithms/BFS.java
Normal file
49
src/main/java/Assignments/A1/solving_algorithms/BFS.java
Normal file
@ -0,0 +1,49 @@
|
||||
package Assignments.A1.solving_algorithms;
|
||||
|
||||
import Assignments.A1.models.Board;
|
||||
import Assignments.A1.models.BoardNode;
|
||||
import Assignments.A1.models.Move;
|
||||
|
||||
import java.util.Comparator;
|
||||
import java.util.HashSet;
|
||||
import java.util.List;
|
||||
import java.util.PriorityQueue;
|
||||
|
||||
public class BFS {
|
||||
|
||||
private final HashSet<Board> visited = new HashSet<>();
|
||||
private static final Board solved = new Board();
|
||||
|
||||
public BoardNode traverse(Board root) {
|
||||
PriorityQueue<BoardNode> boards = new PriorityQueue<>(new BFSPriority());
|
||||
HashSet<Board> visited = new HashSet<>();
|
||||
boards.add(new BoardNode(root, null));
|
||||
BoardNode node = null;
|
||||
Board current = new Board(root);
|
||||
while (!current.equals(solved)) {
|
||||
node = boards.poll();
|
||||
current = node.board;
|
||||
if (visited.contains(node.board)) {
|
||||
continue;
|
||||
}
|
||||
visited.add(node.board);
|
||||
List<Move> children = node.board.getMoves();
|
||||
for (Move move : children) {
|
||||
Board child = new Board(node.board);
|
||||
child.swap(move);
|
||||
BoardNode childNode = new BoardNode(child, node);
|
||||
boards.add(childNode);
|
||||
node.addChild(childNode);
|
||||
}
|
||||
}
|
||||
return node;
|
||||
}
|
||||
}
|
||||
|
||||
class BFSPriority implements Comparator<BoardNode> {
|
||||
@Override
|
||||
public int compare(BoardNode o1, BoardNode o2) {
|
||||
return Integer.compare(o1.heuristic, o2.heuristic);
|
||||
}
|
||||
}
|
||||
|
@ -5,15 +5,13 @@ import Assignments.A1.models.BoardGenerator;
|
||||
import Assignments.A1.models.Move;
|
||||
import Assignments.A1.models.Pair;
|
||||
import Assignments.A1.resources.Parameters;
|
||||
import org.junit.experimental.theories.internal.ParameterizedAssertionError;
|
||||
|
||||
import java.util.*;
|
||||
|
||||
public class DFS {
|
||||
|
||||
private int counter = 0;
|
||||
private final Board solved = new Board();
|
||||
private List<String> tried = new ArrayList<>();
|
||||
private final List<String> tried = new ArrayList<>();
|
||||
|
||||
/* Commented out for future reference. */
|
||||
// public Board dfs(Board root, int depth, ArrayList<String> visited) {
|
||||
@ -44,8 +42,7 @@ public class DFS {
|
||||
// return null;
|
||||
// }
|
||||
|
||||
public Board dfs(Board root, int depth) {
|
||||
counter++;
|
||||
public Board traverse(Board root, int depth) {
|
||||
Stack<Board> stack = new Stack<>();
|
||||
stack.push(root);
|
||||
|
46
src/main/java/Assignments/A1/solving_algorithms/UCS.java
Normal file
46
src/main/java/Assignments/A1/solving_algorithms/UCS.java
Normal file
@ -0,0 +1,46 @@
|
||||
package Assignments.A1.solving_algorithms;
|
||||
|
||||
import Assignments.A1.models.Board;
|
||||
import Assignments.A1.models.BoardNode;
|
||||
import Assignments.A1.models.Move;
|
||||
|
||||
import java.util.Comparator;
|
||||
import java.util.HashSet;
|
||||
import java.util.List;
|
||||
import java.util.PriorityQueue;
|
||||
|
||||
public class UCS {
|
||||
private final Board solved = new Board();
|
||||
private final HashSet<Board> visited = new HashSet<>();
|
||||
|
||||
public BoardNode traverse(Board root) {
|
||||
PriorityQueue<BoardNode> boards = new PriorityQueue<>(new UCSPriority());
|
||||
boards.add(new BoardNode(root, null));
|
||||
BoardNode node = null;
|
||||
Board current = new Board(root);
|
||||
while (!current.equals(solved)) {
|
||||
node = boards.poll();
|
||||
current = node.board;
|
||||
if (visited.contains(node.board)) {
|
||||
continue;
|
||||
}
|
||||
visited.add(node.board);
|
||||
List<Move> children = node.board.getMoves();
|
||||
for (Move move : children) {
|
||||
Board child = new Board(node.board);
|
||||
child.swap(move);
|
||||
BoardNode childNode = new BoardNode(child, node);
|
||||
boards.add(childNode);
|
||||
node.addChild(childNode);
|
||||
}
|
||||
}
|
||||
return node;
|
||||
}
|
||||
}
|
||||
|
||||
class UCSPriority implements Comparator<BoardNode> {
|
||||
@Override
|
||||
public int compare(BoardNode o1, BoardNode o2) {
|
||||
return Integer.compare(o1.cost, o2.cost);
|
||||
}
|
||||
}
|
0
src/main/resources/A1/results/AStar.txt
Normal file
0
src/main/resources/A1/results/AStar.txt
Normal file
0
src/main/resources/A1/results/BFS.txt
Normal file
0
src/main/resources/A1/results/BFS.txt
Normal file
0
src/main/resources/A1/results/DFS.txt
Normal file
0
src/main/resources/A1/results/DFS.txt
Normal file
0
src/main/resources/A1/results/UCS.txt
Normal file
0
src/main/resources/A1/results/UCS.txt
Normal file
Loading…
Reference in New Issue
Block a user