course1_week1_challenge.cpp

// Create a class called Pair that has two public integer member variables named "a" and "b", and a public member function named sum() 
// that has no arguments but adds the two member variables together and returns their sum.

// You should define Pair here:
// (Use as many lines as you need!)
class Pair {
    public:
      int a,b;
      int sum() {return a + b;}
};

// This main() function will help you test your work.
// Click Run to see what happens.
// When you're sure you're finished, click Submit for grading
// with our additional hidden tests.
int main() {
  Pair p;
  p.a = 100;
  p.b = 200;
  if (p.a + p.b == p.sum()) {
    std::cout << "Success!" << std::endl;
  } else {
    std::cout << "p.sum() returns " << p.sum() << " instead of " << (p.a + p.b) << std::endl;
  }
  return 0;
}