Print Number Pyramid in C

#include<stdio.h>

int main() {
   int i, j;
   int num;

   printf("Enter the number of Digits :");
   scanf("%d", &num);

   for (i = 0; i <= num; i++) {
      for (j = 0; j < i; j++) {
         printf("%d ", i);
      }
      printf("\n");
   }
   return (0);
}

OUTPUT:-

Tower of Hanoi using recursion

#include<stdio.h>

void TOH(int num, char x, char y, char z);

int main() {
   int num;
   printf("\nEnter number of plates:");
   scanf("%d", &num);

   TOH(num - 1, 'A', 'B', 'C');
   return (0);
}

void TOH(int num, char x, char y, char z) {
   if (num > 0) {
      TOH(num - 1, x, z, y);
      printf("\n%c -> %c", x, y);
      TOH(num - 1, z, y, x);
   }
}

OUTPUT:-

C Program to Write inline assembly language code in C Program

#include<stdio.h>

void main() {

   int a = 9, b = 9, c;

   asm {
      mov ax,a
      mov bx,a
      add ax,bx
      mov c,ax
   }

   printf("%d",c);
}

OUTPUT:- 18

C Program to Accept Paragraph with spaces using scanf

#include<stdio.h>

int main() {
   char para[100];

   printf("Enter Paragraph : ");
   scanf("%[^\t]s", para);

   printf("Accepted Paragraph : %s", para);

   return 0;
}

OUTPUT:-

C Program for sorting the list of names OR Strings

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

int main() {
   char *str[5], *temp;
   int i, j, n;

   printf("\nHow many names do you want to have?");
   scanf("%d", &n);

   for (i = 0; i < n; i++) {
      printf("\nEnter the name %d: ", i);
      flushall();
      gets(str[i]);
   }

   for (i = 0; i < n; i++) {
      for (j = 0; j < n - 1; j++) {
         if (strcmp(str[j], str[j + 1]) > 0) {
            strcpy(temp, str[j]);
            strcpy(str[j], str[j + 1]);
            strcpy(str[j + 1], temp);
         }
      }
   }

   flushall();

   printf("\nSorted List : ");
   for (i = 0; i < n; i++)
      puts(str[i]);

   return (0);
}

OUTPUT:-

Count Number of Words spaces vowels digits and special charecters using C

#include<stdio.h>
#include<stdlib.h>
#include<ctype.h>
#include<conio.h>

/*low implies that position of pointer is within a word*/
#define low 1

/*high implies that position of pointer is out of word.*/
#define high 0

void main() {
   int nob, now, nod, nov, nos, pos = high;
   char *str;
   nob = now = nod = nov = nos = 0;
   clrscr();

   printf("Enter any string : ");
   gets(str);

   while (*str != '\0') {

      if (*str == ' ') {
         // counting number of blank spaces.
         pos = high;
         ++nob;
      } else if (pos == high) {
         // counting number of words.
         pos = low;
         ++now;
      }

      if (isdigit(*str)) /* counting number of digits. */
         ++nod;
      if (isalpha(*str)) /* counting number of vowels */
         switch (*str) {
            case 'a':
            case 'e':
            case 'i':
            case 'o':
            case 'u':
            case 'A':
            case 'E':
            case 'I':
            case 'O':
            case 'U':
               ++nov;
               break;
         }

      /* counting number of special characters */
      if (!isdigit(*str) && !isalpha(*str))
         ++nos;
      str++;
   }

   printf("\nNumber of words  %d", now);
   printf("\nNumber of spaces %d", nob);
   printf("\nNumber of vowels %d", nov);
   printf("\nNumber of digits %d", nod);
   printf("\nNumber of special characters %d", nos);

   getch();
}

OUTPUT:-

C Program to display mouse pointer

#include<stdio.h>
#include<dos.h>

int initmouse();
void showmouseptr();

union REGS i, o;

int main() {
   int status;
   status = initmouse();

   if (status == 0) {
      printf("Mouse support not available.n");
   } else {
      showmouseptr();
   }

   return 0;
}

int initmouse() {
   i.x.ax = 0;
   int86(0X33, &i, &o);
   return (o.x.ax);
}

void showmouseptr() {
   i.x.ax = 1;
   int86(0X33, &i, &o);
}