ZZULIOJ 1081：n个数求和

# include <iostream>
using namespace std;
int main()
{
	int i, j, a, n, m, sum = 0;
	cin>>n;
	for(i = 1; i <= n; i++)
	{
		cin>>m;
		for(j = m; j >= 1; j--)
		{
			cin>>a;
			sum = sum + a;
		}
		cout<<sum<<endl;
		sum = 0;
	}
	return 0;
}