How to change the color and size of output in C++? How to Draw columns? I'm a beginner... Pls help...

Very vague, if you mean on a console window, then your best bet would be to use a library such as nCurses.

graphics in dos console are so hectic, if its a high school project then forget including graphics because you will not learn anything, when u will proceed to higher languages like java... you will not need graphics like that, they will provide you interface with facilities.

Forget graphics now.

C++ doesnt provide graphics, you have to use c graphics.
#include <graphics.h>
im sorry i cant code a sample graphics in C for u here.

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