yeah!! it's for sure not written in MONO, because i haven't mono installed!!!
so it's written in C i think...or maybe a mix of C and C++! but C is more portable, so it's in C i suppose
yum install upx mingw*
but it's for F10 too, not only for F11!!!
I suggest you to run:
i686-pc-mingw32-g++ -O2 -Wall file.cpp
so you'll get a working EXE file for windows (and, thanks to upx, maybe not really so big...