Question

How to find the volume of a capsule in C++

Answer 1

#include <iostream>
#include <cmath>

// V = pi * r^2 * h + (4 / 3) * pi * r^3

double capsuleVolume(double r, double h) {
    const double pi = M_PI; // from <cmath>
    
    return pi * (r * r) * h + (4.0 / 3.0) * pi * (r * r * r);
}
int main() {
    double r = 6, h = 11;

    double volume = capsuleVolume(r, h);
    
    std::cout << "Capsule volume = " << volume << std::endl;
}


/*
run:

Capsule volume = 2148.85

*/

 

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