#include <QTime>

using namespace std;

int main(int argc, char *argv[]) {
    string command = "";
    for (int i = 1; i < argc; i++) command += argv[i] + " ";
    QTime t;
    t.start();  
    system(command.c_str());
    printf("\n%d ms\n", t.elapsed());
    return 0;
}

C:    19807 ms
C++:  19794 ms
C#:   21010 ms
Java: 20715 ms