#include<stdio.h> 
int array_sum(int a[],int n);
int main()
{
int i,n;
int a[10],sum,mean;
printf("enter the size\n");
scanf("%d",&n);
printf("enetr the elements\n");
for(i=1;i<=n;i++);
{
    printf("A[%d]=",i);
    scanf("%d",&a[i]);
}

sum=array_sum(a,n);
mean=sum/n;
printf("sum of %d elements is %d\n",n,sum);
printf("mean of %d elements is %d\n",n,mean);
return 0;
}
int array_sum(int a[],int n)
{
    int i,sum=0;
    for(i=1;i<=n;i++)
    {
        sum+=a[i];
    }
    return 0;
    }