HE01

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 n = scanner.nextInt();
            int[] a = new int[n];
            int[] u = new int[n];
            List <Integer> listMax = new ArrayList<>();
            for (int i=0;i<n;i++)
                a[i] = scanner.nextInt();
            for (int i=0;i<n;i++)
                u[i] = scanner.nextInt();
            listMax.add(u[0]);
            int k = 0;
            for (int i=0;i<n-1;i++){
                if (a[i]==a[i+1])
                    listMax.set(k,Math.max(listMax.get(k),u[i+1]));
                else {
                    listMax.set(k,Math.max(listMax.get(k),u[i]));
                    k++;
                    listMax.add(u[i+1]);
                }
            }
            long sum = 0;
            for (int i:listMax)
                sum+=i;
            System.out.println(sum);
        }

        scanner.close();
    }
}