Does the code playground provided by this app supports c graphics?

Answer 1

nope

Answer 2

if i want to use graphic then any alternative or trick

Answer 3

you can always get an ide for c
i would recommended code::block (available for windows and Linux)

Answer 4

There are no alternatives or tricks. Also graphics.h is seriously deprecated. Use OpenGL, Vulkan, Direct3D, SDL, Qt or OGRE3D (and no, Sololearn doesn't support any of those, it only supports plain text output).