题解 | #计算球体的体积#

#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
#include<math.h>
int main()
{
	double a = 0;
	scanf("%lf", &a);
	double pi =acos(-1);
	double v = (4.0 / 3) * pi * pow(a, 3);
	printf("%.3lf", v);
	return 0;
}