p4final.c

#include<stdio.h>
int input_array_size()
{
    int n;
    printf("how many elements?\n");
    scanf("%d",&n);
    return n;
}
void input_array(int n, int a[n])
{
    printf("enter the array elements\n");
    for(int i=0;i<n;i++)
        {
            scanf("%d",&a[i]);
        }
}
int sum_n_arrays(int n, int a[n])
{
    int sum=0;
    for(int i=0;i<n;i++)
        {
            sum=sum+a[i];
        }
    return sum;
}
void out_put(int n, int a[n], int sum)
{
    printf("sum of ");
    for(int i=0;i<n-1;i++)
        {
            printf("%d +",a[i]);
        }
    printf("%d is %d",a[n-1],sum);
}
int main()
{
    int n,sum;
    n=input_array_size();
    int a[n];
    input_array( n,  a);
    sum= sum_n_arrays(n,a);
    out_put(n, a,sum);
    return 0;
}