#include<iostream>
using namespace std;
int sum(int A[], int n)
{
if (1 > n)
return 0;
else
return sum(A, n - 1) + A[n - 1];
}
int main()
{
int a[] = { 1,2,3,4,5,6,7,8,9,0 };
cout << "the result is :" << sum(a, 10) << endl;
system("pause");
return 0;
}