plt circle

Sure! Here is a step-by-step explanation of how to plot a circle using the C programming language:

Step 1: Include the necessary header files:

#include <stdio.h>
#include <stdlib.h>
#include <graphics.h>

The stdio.h header file is required for standard input/output operations, while the stdlib.h header file is needed for memory allocation functions. The graphics.h header file provides functions for graphical operations.

Step 2: Declare the necessary variables:

int gd = DETECT, gm;
int x, y, r;

The gd variable is used to detect the graphics driver, while the gm variable specifies the graphics mode. The x and y variables represent the coordinates of the center of the circle, and the r variable represents the radius of the circle.

Step 3: Initialize the graphics:

initgraph(&gd, &gm, "");

The initgraph function initializes the graphics system with the detected driver and the specified graphics mode.

Step 4: Get the center coordinates and radius from the user:

printf("Enter the center coordinates (x, y): ");
scanf("%d %d", &x, &y);
printf("Enter the radius: ");
scanf("%d", &r);

The printf and scanf functions are used to prompt the user for the center coordinates and radius of the circle, and store the values in the respective variables.

Step 5: Plot the circle using the circle function:

circle(x, y, r);

The circle function is used to plot a circle with the specified center coordinates and radius.

Step 6: Close the graphics:

closegraph();

The closegraph function closes the graphics system and frees up any allocated resources.

That's it! Following these steps will allow you to plot a circle using the C programming language.