Poj Solution 2636

http://poj.org/problem?id=2636

//* @author  mekarlos@gmail.com
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.StringTokenizer;
public class Main {
    public static void main(String[] args) throws IOException {
        BufferedReader stdin=new BufferedReader(new InputStreamReader(System.in));
        int n=Integer.parseInt(stdin.readLine()),k,aux;
        StringTokenizer tokens;
        while((n--)!=0){
            tokens=new StringTokenizer(stdin.readLine());
            k=Integer.parseInt(tokens.nextToken());
            aux=-k+1;
            while((k--)!=0)aux+=Integer.parseInt(tokens.nextToken());            
            System.out.println(aux);
        }
    }
}