space mma app

#include <iostream>

enum class Planet {
    Mercury = 1,
    Venus,
    Earth,
    Mars,
    Jupiter,
    Saturn,
    Uranus,
    Neptune
};

int main() {

  double earth_weight;
  Planet planet_number;
  double competing_weight;

  std::cout << "Enter your weight on Earth:\n";
  std::cin >> earth_weight;

  std::cout << "Which planet in our solar system do you want to fight on?\n";
  std::cout << "1: Mercury\n2: Venus\n3: Mars\n4: Jupiter\n5: Saturn\n6: Uranus\n7: Neptune\n";
  std::cin >> planet_number;

switch (planet_number) {
  case Planet::Mercury:
      competing_weight = earth_weight * 0.38;
      break;

  case Planet::Venus:
      competing_weight = earth_weight * 0.91;
      break;

  case Planet::Earth:
      competing_weight = earth_weight * 1.0;
      break;

  case Planet::Mars:
      competing_weight = earth_weight * 0.38;
      break;

  case Planet::Jupiter:
      competing_weight = earth_weight * 2.34;
      break;

  case Planet::Saturn:
      competing_weight = earth_weight * 1.06;
      break;

  case Planet::Uranus:
      competing_weight = earth_weight * 0.92;
      break;

  case Planet::Neptune:
      competing_weight = earth_weight * 1.19;
      break;

  default:
      std::cout << "Pick one of the seven options";
      break;
  }

  std::cout << "Your competing weight is " << competing_weight << " kg.";
}