Counting frequency of each element of 1D array in C.

#include <stdio.h>

int main()

{

    int array[100], freq[100];

    int n,i,j,count=0;

    printf("Enter size of array: ");

    scanf("%d", &n);

    printf("Enter elements in array: ");

    for(i=0; i<n; i++)

    {

        scanf("%d", &array[i]);

        freq[i] = -1;///saving all the element frequency as -1.

    }

    for(i=0; i<n; i++)

    {

        count = 1;

        for(j=i+1; j<n; j++)

        {

            if(array[i]==array[j]) ///If duplicate element is found

            {

                count++;

                freq[j] = 0; /// Make sure not to count frequency of same element again

            }

        }

        if(freq[i] != 0) /// If frequency of current element is not counted

        {

            freq[i] = count;

        }

    }

    printf("Frequency of all elements of array : 
");

    for(i=0; i<n; i++)

    {

        if(freq[i] != 0)

        {

            printf("%d = %d times
", array[i], freq[i]);

        }

    }

    return 0;

}