1 //计算一段程序运行的时间 2 #include<iostream> 3 #include<time.h> 4 using namespace std; 5 int main() 6 { 7 clock_t startTime,endTime; 8 startTime = clock();//计时开始 9 for (int i = 0; i < 2147483640; i++) 10 { 11 i++; 12 } 13 endTime = clock();//计时结束 14 cout << "The run time is: " <<(double)(endTime - startTime) / CLOCKS_PER_SEC << "s" << endl; 15 system("pause"); 16 return 0; 17 }
原文:https://www.cnblogs.com/yangxingsha/p/11778574.html