zoj2807

#include <iostream>
using namespace std;

int main()
{
	int T;
	cin>>T;
	while (T--)
	{
		int N;
		cin>>N;
		int sum=0;
		while (N--)
		{
			int x;
			cin>>x;
			sum=sum+x-1;		
		}	
		cout<<sum+1<<endl;
	}	
	return 0;
}