Poj Solution 1010

http://poj.org/problem?id=1010

//* @author: 82638882@163.com
import java.util.*;
public class Main
{
 public static void main(String[] args)
 {
  Scanner in=new Scanner(System.in);
   while(in.hasNext())
   {
    int[] arr=new int[100];
    int n=0;
    while(true)
    {
        int a=in.nextInt();
        if(a==0)break;
        arr[n++]=a;
    }
    Arrays.sort(arr,0,n);
    while(true)
    {
     int a=in.nextInt();
     if(a==0)break;
     int ser=0,num=0,max=0,a1=0,a2=0,a3=0,a4=0;            
     boolean tie=false;
     for(int i=0;i< n;i++)
     {
      if(arr[i]>a)break;
      if(arr[i]==a)
      {
        if(ser==0)
        {
            ser=1;num=1;max=i;a1=i;tie=false;
        }
        else if(ser==1&&num>1)
        {
            ser=1;num=1;max=i;a1=i;tie=false;
        }
        }
        for(int j=i;j< n;j++)
        {
        if(arr[i]+arr[j]>a)break;
        if(arr[i]+arr[j]==a)
        {
            int ser1=1;
            if(i!=j)ser1++;
            if(ser1>ser)
            {
                ser=ser1;max=j;num=2;a1=i;a2=j;tie=false;
            }
            else if(ser1==ser)
            {
                if(num>2||(num==2&&arr[max]< arr[j]))
                {
                    ser=ser1;max=j;num=2;a1=i;a2=j;tie=false;
                }
                else if(num==2&&arr[max]==arr[j])
                    tie=true;
            }
        }
        for(int k=j;k< n;k++)
        {
            if(arr[i]+arr[j]+arr[k]>a)break;
            if(arr[i]+arr[j]+arr[k]==a)
            {
                int ser1=1;
                if(i!=j)ser1++;if(j!=k)ser1++;
                if(ser1>ser)
                {
                    ser=ser1;max=k;num=3;a1=i;a2=j;a3=k;tie=false;
                }
                else if(ser1==ser)
                {
                    if(num>3||(num==3&&arr[max]< arr[k]))
                    {
                        ser=ser1;max=k;num=3;a1=i;a2=j;a3=k;tie=false;
                    }
                    else if(num==3&&arr[max]==arr[k])tie=true;
                }
            }
            for(int w=k;w< n;w++)
            {
                if(arr[i]+arr[j]+arr[k]+arr[w]>a)break;
                if(arr[i]+arr[j]+arr[k]+arr[w]==a)
                {
                    int ser1=1;
                    if(i!=j)ser1++;if(j!=k)ser1++;if(k!=w)ser1++;
                    if(ser1>ser)
                    {
                        ser=ser1;max=w;num=4;
                        a1=i;a2=j;a3=k;a4=w;
                        tie=false;
                    }
                    else if(ser1==ser&&num==4)
                    {
                      if(arr[w]>arr[max])
                      {
                        max=w;
                        a1=i;a2=j;a3=k;a4=w;
                        tie=false;
                      }
                      else if(arr[w]==arr[max])
                        tie=true;
                    }
                }    
            }
        }
      }
    }
    if(num==0)System.out.println(a+" ---- none");
    else if(tie)System.out.println(a+" ("+ser+"):"+" tie");
    else {
        System.out.print(a+" ("+ser+"):");
        if(num==1)System.out.println(" "+arr[a1]);
        else if(num==2)System.out.println(" "+arr[a1]+" "+arr[a2]);
        else if(num==3)System.out.println(" "+arr[a1]+" "+arr[a2]+" "+arr[a3]);
        else if(num==4)System.out.println(" "+arr[a1]+" "+arr[a2]+" "+arr[a3]+" "+arr[a4]);
    }
    }
  }    
 }
}
											
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