View Code of Problem 19

#include<stdio.h>
int main()
{
    int n,i,sum=0,a[100];
    while(1)
    {
        scanf("%d",&n);
        for(i=n-1;i>=0;i--)
        {
            scanf("%d",&a[i]);
            sum=a[i]+sum;
        }
        printf("%d",sum);
        sum=0;
    }
}