C++-计算耗时

C++中计算程序的耗时方法。

#include <sys/timeb.h>

struct timeb startTime , endTime;
ftime(&startTime);
...
ftime(&endTime);
cout << (endTime.time-startTime.time)*1000 + (endTime.millitm - startTime.millitm) << "ms" << endl;