toj_temp.cpp

Tianjin University Online Judge 的80多道题目 .

#include <stdio.h>
#include <string>
#include <math.h>
using namespace std;

int main()
{
  int n,len,t;
  string s;
  while( scanf( "%d" , &n ) == 1)
    {
      len = pow( 3 , n );
      for(s = "-" ; s.length()<len ; )
	{
	  t = s.length();
	  s.append(t,' ');
	  s.append(s,0,t);
	}
      printf( "%s\n" , s.c_str() );
    }
  return 0;
}