2025-02-25 17:08:55 +08:00

9 lines
180 B
C

#include <stdio.h>
#define PI 3.14159265358979323846
int main() {
double r;
scanf("%lf", &r);
printf("%f\n%f", 4 * PI * r * r, PI * r * r * r * 4 / 3);
return 0;
}