qt - In file included from dev c++ -

I am currently using dev ++ for c ++ programming, I just have a project in devc ++ Importing and returning the header files gives error. I try to give full file path for header files. I have tried almost all the options available on the stack or the rest of the sites please help me.

Please mention clearly how the compiler will include the path or how will this problem be resolved ... Thanks ...

You said that you tried to do everything on the StackorHorflow but in response José Lu After using this code "coding" the name of your code, the namespace std have you tried it?

I do not use myself De C ++, but according to the link, you can include Path-> Compiler option-> Directory-> C ++ in the tool.