code

[TheArk]

kpinjp'i

[TheEurekaMan]

Try adding #include <stdlib.h>

Also don't use using namespace std It makes your code bulky and is unprofessional.

[TheEurekaMan]

Here's a link that will help: http://www.cplusplus.com/reference/cstdlib/system/

And here's another link that shows you some interesting classes: http://www.cplusplus.com/reference/cstdlib/

[TheArk]

Thanks for t

[lastchance]

Should be lowercase c on line 106.

Unrelated, but lines 22 and 56 will conflict. I think you had better rethink lines 187-194.