# StopWatch A StopWatch counts how many clockticks of CPU time have been used by your program. These can be converted to seconds by dividing by the standard macro CLOCKS_PER_SEC. ## Interface
      StopWatch()
| Constructor; starts the stopwatch.
      std::clock_t read()
| Returns the number of clock ticks since the stopwatch started.
      void reset()
| Set the number of clockticks back to zero and start the stopwatch agan.
      std::clock_t restart()
| Read and reset the stopwatch.