#include
#include
using namespace std;
int main(int argc, char *argv[])
{
double a, b;
if(argc!=3) {
cout << "Usage: main num num\n";
return 1;
}
a = atof(argv[1]); // convert first command-line arg
b = atof(argv[2]); // convert second comnand-line arg
cout << a + b;
return 0;
}
Usage: main num num