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这题知道圆台公式就OK了。一个while语句就搞定!#include <math.h>
#include <stdio.h>
#define Pi 3.1415926
int main()
{
double D;
double d;
double V;
while(scanf("%lf%lf",&D,&V),D && V)
{
d=pow(D*D*D-6*V/Pi,1.0/3);
printf("%.3lf\n",d);
}
}
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