#include <stdio.h>
int main()
{
	float length, sum1, sum2;
	int i, n = 1;
	while(1){
		scanf ("%f", &length);
		sum1 = -1.00;
		sum2 = 0.00;
		if (length == 0.00) break;
		else for (i = 1; i < 1000; i++){
			sum1 += 1/i;
			sum2 = sum1 + 1/(i + 1);
            if (length > sum1 && length <= sum2){
		 printf ("%d card(s)\n", i);
                 break;
            }
		}
	}
	return 0;
}

• Re:请指教一下,看错在那里? (206) 434639789 2009-10-24 09:15:04