Poj Solution 2833

http://poj.org/problem?id=2833

//* @author: 82638882@163.com
import java.io.*;
import java.util.*;
public class Main
{
 public static void main(String[] args)
 {
  InputStreamReader is=new InputStreamReader(System.in);
  BufferedReader in=new BufferedReader(is);
  StringBuffer buf=new StringBuffer();
  try {
    while(true)
    {
         char c;
      int[] u=new int[3];
      for(int i=0;i< 3;i++)
      {
        while(true)
        {
        c=(char)in.read();
        if(c==32||c==13)
            break;
        buf.append(c);
         }
         u[i]=Integer.parseInt(buf.toString());
         buf.delete(0,buf.length());
       }
      if(u[0]==0&&u[1]==0&&u[2]==0)break;
      int[] max=new int[u[0]];
      int[] min=new int[u[1]];
      for(int i=0;i< u[1];i++)
        min[i]=9999999;
      double total=0;
      in.read();
      for(int i=0;i< u[2];i++)
      {
       while(true)
       {
        c=(char)in.read();
        if(c==32||c==13)
            break;
        buf.append(c);
        }
       int w=Integer.parseInt(buf.toString());
       buf.delete(0,buf.length());
       if(max[0]< w)max[0]=w;
       if(min[u[1]-1]>w)min[u[1]-1]=w;
       Arrays.sort(max);
       Arrays.sort(min);
       total+=w;
      }
     for(Integer e:max)
        total-=e;
    for(Integer e:min)
        total-=e;
    in.read();
    System.out.printf("%.6fn",total/(u[2]-u[1]-u[0]));
   }
  } catch (IOException e) {}
 }
}