杭电problem 1000 1089 1090 1091 1092 1093

#include <iostream>
using namespace std;

int main()
{
	int t;
	cin>>t;
	int n;
	int i,j,sum;
	while(t--)
	{
		cin>>n
		
		sum=0;
		for(i=0;i<n;i++)
		{
			cin>>j;
			sum+=j;
		}
		cout<<sum<<endl;
		if(t>0)
			cout<<endl;
	}
	return 0;
}