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PowerSet.java
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PowerSet.java
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import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Scanner;
import java.util.Set;
public class PowerSet {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
System.out.print("Enter the number of elements in the original set: ");
int numElements = scanner.nextInt();
List<Character> originalSet = new ArrayList<>();
System.out.println("Enter the elements of the original set: ");
for (int i = 0; i < numElements; i++) {
originalSet.add(scanner.next().charAt(0));
}
// Remove duplicates from the original set
Set<Character> uniqueSet = new HashSet<>(originalSet);
originalSet.clear();
originalSet.addAll(uniqueSet);
// Generate the power set
int n = originalSet.size();
int numSubsets = (int) Math.pow(2, n);
List<List<Character>> powerSet = new ArrayList<>();
for (int i = 0; i < numSubsets; i++) {
List<Character> subset = new ArrayList<>();
for (int j = 0; j < n; j++) {
if ((i & (1 << j)) != 0) {
subset.add(originalSet.get(j));
}
}
powerSet.add(subset);
}
// Print the power set
System.out.println("Power Set:");
for (List<Character> subset : powerSet) {
System.out.print("{ ");
for (Character element : subset) {
System.out.print(element + " ");
}
System.out.println("}");
}
}
}