Solution.cpp

//Implement the class Box
//l,b,h are integers representing the dimensions of the box

// The class should have the following functions :

// Constructors:
// Box();
// Box(int,int,int);
// Box(Box);

class Box {
 private:
  int length, breadth, height;
 public:
  Box() {
    length = 0;
    breadth = 0;
    height = 0;
  }
  Box(int l, int b, int h) {
    length = l;
    breadth = b;
    height = h;
  }
  Box(const Box &B) {
    length = B.length;
    breadth = B.breadth;
    height = B.height;
  }
  int getLength() {
    return length;
  }
  int getBreadth() {
    return breadth;
  }
  int getHeight() {
    return height;
  }
  long long CalculateVolume() {
    return (long long)(breadth) * length * height;
  }
  bool operator<(Box &B) {
    if (length < B.length) {
      return true;
    } else if (length == B.length) {
      if (breadth < B.breadth) {
        return true;
      } else if (breadth == B.breadth) {
        if (height < B.height) {
          return true;
        }
      }
    }

    return false;
  }
};
ostream &operator<<(ostream &out, Box &B) {
  out << B.getLength() << " " << B.getBreadth() << " " << B.getHeight();
  return out;
};