c#计算一段代码的时间复杂度

 1  public class Timing
 2     {
 3         TimeSpan duration;
 4         public Timing()  //和那个计时类还一样，想要弄明白 先要弄明白 进程 线程 挂起 三个名词
 5         {
 6             duration = new TimeSpan(0);
 7         }
 8         public void stopTime()//
 9         {
10             duration = Process.GetCurrentProcess().TotalProcessorTime;
11         }
12         public void startTime()
13         {
14             GC.Collect();
15             GC.WaitForPendingFinalizers();
16         }
17         public TimeSpan Result()
18         {
19             return duration;
20         }
21 
22     }