hi. i'm trying to run my program but i get this error message...

cannot convert âstd::stringâ to âstd::string*â for argument â1â to âvoid change(std::string*, int)â

...does anyone know what it means and where i am messing up?

look at the function parameters and then look at what you are trying to pass. There apparently are some difference. I'd say you're trying to pass a pointer where its not supposed to be a pointer, or vice versa.

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