1904.cpp

ZOJ 动态规划算法题目入门与提高 源代码

#include<cstdio>
#include<math.h>

int main()
{
    double D,V,d,t;
   	while(scanf("%lf%lf",&D,&V)&&(D!=0||V!=0))
	{
		t= ((- D * D * D) + 6*V/ M_PI );
		printf("%.3lf\n",pow(fabs(t),1.0/3));
	}
	return 0;

}