Q11185: Ternary

原文
http://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=2126
中譯
http://luckycat.kshs.kh.edu.tw/homework/q11185.htm

#include "stdio.h"

int main()
{
  int N;
  while( scanf(" %d",&N) )
  {
 int q[1000],i = 0,j;
 if( N < 0 )
   break;
 if( N == 0)
   q[0] = 0;
 while( N > 0 )
 {
   q[i] = N % 3;
   N = N / 3;
   if( N == 0 )
  break;
   i++;
 }
 for(j = i;j >= 0;j--)
 {
   printf("%d",q[j]);
 }
 printf("\n");
  }
  return 0;
}