Poj Solution 1171

http://poj.org/problem?id=1171

//* @author: ccQ.SuperSupper
import java.io.*;
import java.util.*;
public class Main {
 static final int N = 1000+10;
 static int top,ans;
 static String opt = new String();
 static String str[] =new String[N];
 static int score[]={2,5,4,4,1,6,5,5,1,7,6,3,5,2,3,5,7,2,1,2,4,6,6,7,5,7};
    
 public static void main(String[]args)throws Exception{
    
  top = ans = 0;
    
  StreamTokenizer cin = new StreamTokenizer(new BufferedReader(new InputStreamReader(System.in)));
    
  opt = next_string(cin);
    
  while(true){
    str[top] = next_string(cin);
    if(str[top].equals(".")) break;
    if(can_save(opt,str[top])) {
            
          ans = Max(ans,get_score(str[top]));
      ++top;
    }
   }
  for(int i=0;i< top;++i){
    for(int j=i+1;j< top;++j){
        str[top+1] = add(str[i],str[j]);
        if(can_save(opt,str[top+1])){
            ans = Max(ans,get_score(str[top+1]));
        }
    }
  }
  System.out.println(ans);
        
 }
    static String add(String obj1,String obj2){
        char temp[] = new char[20];
        String cnt = obj1+obj2;
        temp = cnt.toCharArray();
        Arrays.sort(temp,0,cnt.length());
        
        return String.valueOf(temp);
        
    }
    static int get_score(String op1){
        int i,cnt=0,n=op1.length();
        for(i=0;i< n;++i){
            cnt+=score[(int)(op1.charAt(i)-'a')];
        }
        return cnt;
    }
    static int Max(int a,int b){
        return a>b?a:b;
    }
    static boolean can_save(String op1,String op2){
        
        int i=0,j=0,n =op1.length(),m=op2.length();
        while(i< n && j< m){
            if(op1.charAt(i)==op2.charAt(j)){
                ++i;++j;
            }else{
                ++i;
            }
        }
        if(j< m) return false;
        
        return true;
    }
    static String next_string(StreamTokenizer cin) throws Exception{
        char temp[] = new char[10];
        String cnt = new String();
        cin.nextToken();
        cnt = cin.sval;
        if(cnt==null) return ".";
        temp = cnt.toCharArray();
        Arrays.sort(temp,0,cnt.length());

        return String.valueOf(temp);
        

    }
}