Step 6 of 9

Challenge: a Clock class

Your turn: write a class Clock representing a round timer in seconds:

• Clock(int seconds) creates it
• void tick(int s = 1) subtracts seconds but never goes below 0
• bool expired() const is true at 0
• std::string display() const returns M:SS, like 1:55 or 0:07

Previous: static members Next: Member initializer lists