using System;
public class Exercise8
{
    public static void Main()
    {
        int[] arr1 = new int[100];
        int[] fr1 = new int[100];
        int n, i, j, ctr;
        Console.Write("\n\nCount the frequency of each element of an array:\n");
        Console.Write("----------------------------------------------------\n");
        Console.Write("Input the number of elements to be stored in the array :");
        n = Convert.ToInt32(Console.ReadLine());
        Console.Write("Input {0} elements in the array :\n",n);
        for(i=0; i<n; i++)
            {
                Console.Write("element - {0} : ",i);
                arr1[i] = Convert.ToInt32(Console.ReadLine());
                fr1[i] = -1;
            }
        for(i=0; i<n; i++)
            {
                ctr = 1;
                for(j=i+1; j<n; j++)
                    {
                        if(arr1[i]==arr1[j])
                            {
                                ctr++;
                                fr1[j] = 0;
                            }
                    }
                if(fr1[i]!=0)
                    {
                        fr1[i] = ctr;
                    }
            }
        Console.Write("\nThe frequency of all elements of the array : \n");
        for(i=0; i<n; i++)
            {
                if(fr1[i]!=0)
                    {
                        Console.Write("{0} occurs {1} times\n", arr1[i], fr1[i]);
                    }
            }
    }
}