Average Score 6969

import java.io.*;
import java.util.*;

public class Main {
    public static void main(String[] args) throws IOException {
//        System.setIn(new FileInputStream(new File("/home/arif/Documents/inout/input.txt")));
//        System.setOut(new PrintStream(new File("/home/arif/Documents/inout/output.txt")));
        Scanner scanner = new Scanner(System.in);

        int tc = scanner.nextInt();
        while (tc-- >0) {
            int bob = scanner.nextInt();
            int other = scanner.nextInt();
            int bobSum = 0;
            int otherSum = 0;
            for (int i=0;i<bob-1;i++){
                int x = scanner.nextInt();
                bobSum+=x;
            }
            for (int i=0;i<other;i++){
                int x = scanner.nextInt();
                otherSum+=x;
            }
            int min = (otherSum/other)+1;
            int max = (int) (Math.ceil((double) bobSum/(double) (bob-1))-1);
            System.out.println(min + " " + max);
        }

        scanner.close();
    }
}