C Program to find average of n numbers

//Program to find average of n numbers
#include<stdio.h>
int main()
{
    int n,i,a[100];
    float avg,sum=0;
    printf("\n Of how many number you want to find average:");
    scanf("%d",&n);
        printf("\n Enter numbers:");
        for(i=0;i<n;i++)
         {
           scanf("%d",&a[i]);
         }
        for(i=0;i<n;i++)
         {
           sum=sum+a[i];
         }
    avg=sum/n;
    printf("\n Average of %d numbers is %f \n:",n,avg);
return 0;
}