// C++ Slower Then C#?? // I used Visual Studio. //#include "stdafx.h" #include #include #include #include #include #include using namespace std; int factorial(int fact) { int factorial = 1; for (int i = 1; i <= fact; i++) { factorial *= i; } return factorial; } int main() { int count = 0; list timeList; time_t rawtimeBase; time(&rawtimeBase); while (count < 200) { time_t rawtime; //struct tm * timeinfo; time(&rawtime); //timeinfo = localtime(&rawtime); //cout << "Current local time and date: " //<< asctime(timeinfo); srand(time(NULL)); int arr[200000]; for (int i = 0; i < 200000; i++) { arr[i] = factorial((rand() % 4) + 9); //cout << i << " : " << arr[i] << endl; //printf("%d : %d\n", i, arr[i]); } time_t rawtime2; // struct tm * timeinfo2; time(&rawtime2); // timeinfo2 = localtime(&rawtime2); //cout << "Later local time and date: " //<< asctime(timeinfo2) << endl; double totalTime = rawtime2 - rawtime; timeList.push_back(totalTime); //cout << "Program in c++ took " << totalTime << "seconds" << endl; count++; } //myFile.open("TestCPP.txt", ios::app); ofstream myFile; myFile.open("TestCPP.txt"); for (auto& timeTotal : timeList) { myFile << timeTotal << endl; printf("Run took: %d seconds\n", timeTotal); } time_t rawtimeEnd; time(&rawtimeEnd); int totaltimeRun = rawtimeEnd - rawtimeBase; cout <

C++ Speed Test.