that would be a fun idea for a thread, non-valid posts must of course be moderated out but what if you let all posters in a thread write their own code and it all has to be part of the complete program
like those figures you would draw in kindergarten on the folded paper and someone else would keep drawing, well you can use your own language if you want but you have to implement how to switch over to your language and the next coder has to switch back or to another language but it all has to come together in the end
could be as simple as a perl script that opens a file entering c++ code which it later compiles or maybe even c code that includes perl header files and becomes a perl module
very complicated and i woult never participate because i have a life and a gf and things to get done so i moved with my auntie and uncle in bel-air