http://poj.org/problem?id=1906 //* @author: import java.math.BigInteger; import java.util.Scanner; public class Main { public static void main(String[]args){ BigInteger dat[]=new BigInteger[100]; dat[0]=BigInteger.ONE; BigInteger tr=new BigInteger("3"); for(int i=1;i< 100;i++){ dat[i]=dat[i-1].multiply(tr); } long N; int t; boolean first; Scanner cin=new Scanner(System.in); while(cin.hasNext()){ N=cin.nextLong(); if(N==0) break; N--; t=0; first=true; System.out.print("{"); while(N>0){ if(N%2==1){ if(first){ first=false; System.out.print(" "+dat[t]); } else System.out.print(", "+dat[t]); } t++; N/=2; } System.out.println(" }"); } } }
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