HackerRank C- Plus Minus

Complete the plusMinus function in the editor below. It should print out the ratio of positive, negative and zero items in the array, each on a separate line rounded to six decimals.

plusMinus has the following parameter(s):

arr: an array of integers

#include<stdio.h>
main()
{
    int n,i;
    float b=0,c=0,d=0;
    float e,f,g;
    scanf("%d",&n);
    int a[n];
    for(i=0;i<n;i++)
    {
        scanf("%d",&a[i]);
        }
        for(i=0;i<n;i++)
        {
            
        
        if(a[i]<0)
        {
            b++;
        }
        if(a[i]>0)
        {
            c++;
        }
        if(a[i]==0)
        {
            d++;
        }
}
    
    e=b/n;
    f=c/n;
    g=d/n;
    printf("%f\n%f\n%f",f,e,g);
}