UVA - 11428 - Cubes

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

public class Main {

    public static void main(String[] args) throws IOException {
        BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
        StringBuffer sb = new StringBuffer("");
        int[]cubes=new int[60];
        for(int i=1;i<60;i++){
            cubes[i]=i*i*i;
        }
        HashMap<Integer,String> hm=new HashMap<Integer, String>();
        for(int i=1;i<60;i++){
            for(int j=1;j<i;j++){
                int temp=cubes[i]-cubes[j];
                if(!hm.containsKey(temp)){
                    hm.put(temp,i+" "+j);
                }
           } 
        }
        while(true){
           int x=Integer.parseInt(br.readLine());
           if(x==0)
               break;
           if(hm.containsKey(x)){
              sb.append(hm.get(x)).append("\n");
           }else{
              sb.append("No solution\n");
           }
        }
        System.out.print(sb);
    }
}