UVA - 11340 - Newspaper

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.HashMap;
import java.util.StringTokenizer;

public class Main {

    public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        StringBuffer sb = new StringBuffer();
        int cases=Integer.parseInt(br.readLine());
        String m="";
        for(int i=0;i<cases;i++){
            int n=Integer.parseInt(br.readLine());
            HashMap<Character,Integer> hm=new HashMap<Character, Integer>();
            for(int j=0;j<n;j++){
                StringTokenizer str=new StringTokenizer(br.readLine());
                hm.put(str.nextToken().charAt(0), Integer.parseInt(str.nextToken()));
            }
            long sum=0;
            n=Integer.parseInt(br.readLine());
            for(int j=0;j<n;j++){
                m=br.readLine();
                for(int z=0;z<m.length();z++){
                    if(hm.containsKey(m.charAt(z))){
                        sum+=hm.get(m.charAt(z));
                    }
                }
              
            }
            String temp=sum%100+"";
            if(temp.length()<2){
                temp="0"+temp;
            }
            sb.append(sum/100).append(".").append(temp).append("$\n");
        }
        System.out.print(sb);
    }
}