Draw circle in C graphics

The header file graphics.h contains circle() function which draws a circle with center at (x, y) and given radius.

Syntax :

circle(x, y, radius);

where,
(x, y) is center of the circle.
'radius' is the Radius of the circle.

Examples :

Input : x = 250, y = 200, radius = 50
Output : 

Input : x = 300, y = 150, radius = 90
Output : 

Below is the implementation to draw circle in C:

// C Implementation for drawing circle
#include <graphics.h>

//driver code
int main()
{
    // gm is Graphics mode which is
    // a computer display mode that
    // generates image using pixels.
    // DETECT is a macro defined in
    // "graphics.h" header file
    int gd = DETECT, gm;

    // initgraph initializes the
    // graphics system by loading a
    // graphics driver from disk
    initgraph(&gd, &gm, "");

    // circle function
    circle(250, 200, 50);

    getch();

    // closegraph function closes the
    // graphics mode and deallocates
    // all memory allocated by
    // graphics system .
    closegraph();

    return 0;
}

Output :

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