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sort3524.java
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sort3524.java
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import java.time.LocalDate;
import java.time.LocalTime;
import java.util.Scanner;
public class sort3524 {
public static void main(String[] args) {
System.out.println("2021503524 - Mugundh J B");
System.out.println("Date: " + LocalDate.now() + " Time: " + LocalTime.now());
Scanner scanner = new Scanner(System.in);
System.out.print("Enter no of elements: ");
int n = scanner.nextInt();
int[] arr = new int[n];
System.out.println("Enter the array elements: ");
for (int i = 0; i < n; i++) {
arr[i] = scanner.nextInt();
}
int comparisonsBubbleSort = bubbleSort(arr.clone());
int comparisonsSelectionSort = selectionSort(arr.clone());
System.out.println("\nNumber of comparisons for Bubble Sort: " + comparisonsBubbleSort);
System.out.println("Number of comparisons for Selection Sort: " + comparisonsSelectionSort);
}
public static int bubbleSort(int[] arr) {
int n = arr.length;
int comparisons = 0;
for (int i = 0; i < n - 1; i++) {
for (int j = 0; j < n - i - 1; j++) {
comparisons++;
if (arr[j] > arr[j + 1]) {
int temp = arr[j];
arr[j] = arr[j + 1];
arr[j + 1] = temp;
}
}
}
System.out.println("Sorted array in ascending order(Bubble Sort):");
printArray(arr);
return comparisons;
}
public static int selectionSort(int[] arr) {
int n = arr.length;
int comparisons = 0;
for (int i = 0; i < n - 1; i++) {
int minIndex = i;
for (int j = i + 1; j < n; j++) {
comparisons++;
if (arr[j] < arr[minIndex]) {
minIndex = j;
}
}
int temp = arr[minIndex];
arr[minIndex] = arr[i];
arr[i] = temp;
}
System.out.println("\nSorted array in ascending order(Selection Sort):");
printArray(arr);
return comparisons;
}
public static void printArray(int[] arr) {
System.out.print("|");
for (int i = 0; i < arr.length; i++) {
System.out.printf(" %d |", arr[i]);
}
System.out.printf("\n");
}
}