#include <stdio.h>
int main()
{
	int cases;
	scanf("%d",&cases);
	while(cases--)
	{		
		int data,result,i,n;
		scanf("%d",&n);
		for(result=i=0;i<n;i++) {scanf("%d",&data); result+=data;}
		printf("%d\n",result+1-n);
	}
	return 0;
}