Argc and Argv
#include <iostream>
#include <cstdlib>
using namespace std;
int main( int argc, char* argv[] )
{
int x = 0, y = 0;
x = atoi( argv[1] );
y = atoi( argv[2] );
cout << x*y << endl;
return 0;
}
Input:
program2 4 3
Output:
12