2366831_wa.c

北大大牛代码 1240道题的原代码 超级权威

#include <stdio.h>

int main()
{
	double a, b, c ,d, h, t;
	int day;

	while(scanf("%lf%lf%lf%lf",&a,&b,&c,&d)==4)
	{
		if(a==0)
			break;
		h = 0;day = 0;
		t = b*d/100;
		do
		{
			day++;
			h += b;
			if(h-a>0)
				break;
			h -= c;
			if(h<=0)
				break;
			b -= t;
		}while(1);
		if(h<=0)
			printf("failure on day %d\n",day+(h==0));
		else
			printf("success on day %d\n",day);
	}
	return 1;
}