VolumeCylinder

#include <stdio.h>
#define PI 3.14159265358979323846

int main() {
    long long height, radius;
    printf("Input radius: ");
    scanf("%lld", &radius); //get the radius of the cylinder

    printf("Input height: ");
    scanf("%lld", &height); //get the height of the cylinder

    //we use double data type because the result will have decimals
    double volume_double = radius*radius*PI*height; //calculate the volume of the cylinder
    //output the volume of the cylinder
    //we use %lf format specifier because we use double data type
    printf("Volume of Cylinder (double): %.10lf\n", volume_double);

    //if we were using a float data type we would use %f
    float volume_float = radius*radius*PI*height; //calculate the volume of the cylinder
    printf("Volume of Cylinder (float): %.10f", volume_float);

    return 0;
    //note the precision difference between float and double
}