2002 计算球体积

Posted 2021-02-13 mered1th

#include<cstdio>
#define PI 3.1415927

int main() {
    double r;
    while (scanf_s("%lf", &r) != EOF) {
        printf("%.3f
", 4 * r*r*r*PI / 3);
    }
    return 0;
}