If you were using Visual Studio, you need to make sure that these two headers are located in the same directory where your project is located.
Otherwise you need to copy them to the project directory, perhaps you also need to right-click on the directory 'Header Files' in the 'Solutions Explorer' view and choose Add > Existing Item.
Or , espatally if these two headers include other sub-headers, you cloud simply do the flowing: Open your project and go to Tools > Options > Projects and Solutions > VC++ Directories.
Now from the combo box 'Show directories for' choose 'Include files', and add a new line and choose the directory where
puzzle.h
and
cursesGui.h
are located and then click OK. Now change '""' to "<>" so they become:
#include <puzzle.h>
#include <cursesGui.h>