no: of slices

import java.io.*;
import java.util.*;
class fruits {
 
    static int numberofSlices(int arr[], int n)
    {
        int res = 1;
 
        // Pick all elements one by one
        for (int i = 1; i < n; i++) {
            int j = 0;
            for (j = 0; j < i; j++)
                if (arr[i] == arr[j])
                    break;
 
            // If not printed earlier,
            // then print it
            if (i == j)
                res++;
        }
        return res;
    }
 
    // Driver code
    public static void main(String[] args)
    {
        Scanner sc = new Scanner(System.in);
        System.out.print("Enter no. of fruits:");
        int n = sc.nextInt();
        int arr[] = new int[n];
        System.out.println("Enter the weights of fruits:");
        for(int i = 0; i < n; i++)
        {
            arr[i] = sc.nextInt();
        }
        System.out.print("No: of slices required is:");
        System.out.println(numberofSlices(arr, n));
    }
}


/*OUTPUT

Enter no. of fruits:6
Enter the weights of fruits:
10
20
10
30
20
10
No: of slices required is:3

*/