Tag: C simple program

Posted on by — Leave a comment

‘C’ Graphics Programming

‘C’ Graphics Programming

  1. #include <graphics.h>
  2. #include <conio.h>
  4. int main()
  5. {
  6.     int gd = DETECT, gm;
  8.     initgraph(&gd, &gm,”C:\\TC\\BGI”);
  10.     outtextxy(10, 20, “Graphics programming is fun!”);
  12.     circle(200, 200, 50);
  14.     setcolor(BLUE);
  16.     line(350, 250, 450, 50);
  18.     getch();
  19.     closegraph( );
  20.     return 0;
  21. }
Posted on by — Leave a comment

‘C’ Program for Fibonacci series

 ‘C’ program for Fibonacci series

  1. #include <stdio.h>
  3. int main()
  4. {
  5.   int n, first = 0, second = 1, next, c;
  7.   printf(“Enter the number of terms\n”);
  8.   scanf(“%d”, &n);
  10.   printf(“First %d terms of Fibonacci series are:\n”, n);
  12.   for (c = 0; c < n; c++)
  13.   {
  14.     if (c <= 1)
  15.       next = c;
  16.     else
  17.     {
  18.       next = first + second;
  19.       first = second;
  20.       second = next;
  21.     }
  22.     printf(“%d\n”, next);
  23.   }
  25.   return 0;
  26. }
Posted on by — Leave a comment

‘C’ using structures in C programming

‘C’ using structures in C programming

  1. #include <stdio.h>
  2. #include <string.h>
  4. struct game
  5. {
  6.   char game_name[50];
  7.   int number_of_players;
  8. };  // Note the semicolon
  10. int main()
  11. {
  12.   struct game g;
  14.   strcpy(g.game_name, “Cricket”);
  15.   g.number_of_players = 11;
  17.   printf(“Name of game: %s\n”, g.game_name);
  18.   printf(“Number of players: %d\n”, g.number_of_players);
  20.   return 0;
  21. }
Posted on by — Leave a comment

‘C’ Using comments in a program

‘C’ Using comments in a program

  1. #include <stdio.h>
  3. int main()
  4. {
  5.    // Single line comment in a C program
  7.    printf(“Writing comments is very useful.\n”);
  9.    /*
  10.     * Multi-line comment syntax
  11.     * Comments help us to understand program later easily.
  12.     * Will you write comments while writing programs?
  13.     */
  15.    printf(“Good luck C programmer.\n”);
  17.    return 0;
  18. }
Posted on by — Leave a comment

‘C’ function program

‘C’ function program

  1. #include <stdio.h>
  3. void my_function();  // Declaring a function
  5. int main()
  6. {
  7.   printf(“Main function.\n”);
  9.   my_function();  // Calling the function
  11.   printf(“Back in function main.\n”);
  13.   return 0;
  14. }
  16. // Defining the function
  17. void my_function()
  18. {
  19.   printf(“Welcome to my function. Feel at home.\n”);
  20. }
Posted on by — Leave a comment

‘C’ Array program

‘C’ Array program

  1. #include <stdio.h>
  3. int main()
  4. {
  5.     int array[100], n, c;
  7.     printf(“Enter number of elements in array\n”);
  8.     scanf(“%d”, &n);
  10.     printf(“Enter %d elements\n”, n);
  12.     for (c = 0; c < n; c++)
  13.         scanf(“%d”, &array[c]);
  15.     printf(“The array elements are:\n”);
  17.     for (c = 0; c < n; c++)
  18.         printf(“%d\n”, array[c]);
  20.     return 0;
  21. }
Posted on by — Leave a comment

‘C’ program check if an integer is prime or not

C program check if an integer is prime or not

  1. #include <stdio.h>
  3. int main()
  4. {
  5.   int n, c;
  7.   printf(“Enter a number\n”);
  8.   scanf(“%d”, &n);
  10.   if (n == 2)
  11.     printf(“Prime number.\n”);
  12.   else
  13.   {
  14.     for (c = 2; c <= n – 1; c++)
  15.     {
  16.       if (n % c == 0)
  17.         break;
  18.     }
  19.     if (c != n)
  20.       printf(“Not prime.\n”);
  21.      else
  22.        printf(“Prime number.\n”);
  23.   }
  24.   return 0;
  25. }
Posted on by — Leave a comment

How use While loop example in ‘C’

How use While loop example in ‘C’

  1. #include <stdio.h>
  3. int main()
  4. {
  5.   int c = 1;  // Initializing variable
  7.   while (c <= 10)  // While loop will execute till the condition is true
  8.   {
  9.     printf(“%d “, c);  // Note the space after %d for gap in the numbers we want in output
  10.     c++;
  11.   }
  13.   return 0;
  14. }

Output:

***********************************
1 2 3 4 5 6 7 8 9 10

***********************************

Posted on by — Leave a comment

Using if & else control instructions

using if else control instructions

  1. #include <stdio.h>
  3. int main()
  4. {
  5.    int x = 1;
  7.    if (x == 1)
  8.       printf(“x is equal to one.\n”);
  9.    else
  10.       printf(“For comparison use ‘==’ as ‘=’ is the assignment operator.\n”);
  12.    return 0;
  13. }

Output:

**********************************************
x is equal to one.

**********************************************

Posted on by — Leave a comment

‘C’ Program to get input from a user using scanf command

Example: ‘C’ Program to get input from a user using scanf command

  1. #include <stdio.h>
  3. int main()
  4. {
  5.   int x;
  7.   printf(“Input an integer\n”);
  8.   scanf(“%d”, &x); // %d is used for an integer
  10.   printf(“The integer is: %d\n”, x);
  12.   return 0;
  13. }

Output:
Input an integer
7897
The integer is: 7897