How to pass in command line arguments when using ideone?

Question

I\'m using the ideone online interpreter (http://ideone.com/) to test some C++ and Python programs. How do I specify the command line arguments instead of using the STDIN input?

Answer 1

Looks like you can't, but a quick hack should do the trick:

static char * const ARGV[] = { "myprog", "hello", "world", NULL };

int main(int argc, char * argv[])
{
    argc = 3;
    argv = ARGV;

    // ...
}

Or convert the standard input into args:

#include 
#include 
#include 
#include 

std::vector fabricate(std::vector & v)
{
    std::vector res(v.size() + 1, NULL);
    for (std::size_t i = 0; i != v.size(); ++i) { res[i] = &v[i][0]; }
    return res;
}

std::vector args_vector((std::istream_iterator(std::cin)), std::istream_iterator());

std::vector argv_vector = fabricate(args_vector);


int main(int argc, char * argv[])
{
    argc = args_vector.size();
    argv = argv_vector.data();

    // ...
}