#include <stdio.h>
#include <math.h>

#define EPI 1e-14
bool More(double x,double y)
{
	return (x - y > EPI);
}
bool Equal(double x,double y)
{
	return (fabs(x - y) < EPI);
}
int main()
{
	int gain,loss,Deno,Mole;
	double Brate,Arate,Crate;
	bool ok;
	while (scanf("%d%d",&gain,&loss) != EOF)
	{
		
		Arate = Brate = double(gain) / loss;
		Deno = 1;
		while (Deno <= loss)
		{
			 ok = false;
			 Mole =int(ceil(Deno * (Arate - Brate)));
			 if (Mole == 0)  Mole ++;
			 while (1)
			 {
				 Crate = double(Mole) / Deno;
			
				 if (Equal(Crate,Arate-Brate)) {Mole ++ ;continue;}
				 if (More(Crate,Arate+Brate) || Equal(Crate,Arate+Brate))  break;
				 Brate = fabs(Crate - Arate);
				 ok = true;
				 Mole ++;
			 }
			 if (ok)  printf("%d/%d\n",Mole-1,Deno); 
			 Deno++;
		}
		printf("\n");
	}
	return 0;
}
这个是我的程序。自己实在是查不出哪错了，看看有没有哪个好心人帮帮忙看看 ：）万分感谢！

• Re:一个奇怪的现象！ (1017) frkstyc 2006-03-12 23:05:22
  • 1 2的输出难道不是1/2吗。是不是还得加个0/1啊，不过我又看到别人说分子不能输出为0啊 (28) zhujie 2006-03-13 07:10:15
    • 刚刚算错了，1 2 的输出应该是1/1 1/2，多谢frkstyc大哥的提醒 (0) zhujie 2006-03-13 07:13:28