RUNNING CODE ON DEV C++

I wish to submit my code which is written in dev c++ version 4.9.9.2 but it shows compilation error on uploading…
any suggestions

Because your code is invisible, see, none of us can see it here!

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first try it on ideone. cause both ideone and codechef compiler are same (as i have found by experience).

Did you use conio.h and/or getch() ?