Program to print patten using for loop, while loop and do while loop c program

 Write a Program to  print patten
   *
   * *
   * * *
   * * * *
   * * * * *  

using for loop , while loop and do while loop in c program 

1.
Write a Program to Print Patten using for loop in c program - Program Code

/* Write a Program to  print patten
   *
   * *
   * * *
   * * * *
   * * * * *  using for loop   */
   #include<stdio.h>
   #include<conio.h>
   void main()
   {
     int i,j;
     clrscr();
     for(i=0;i<5;i++)
     {
       for(j=0;j<=i;j++)
       {
printf("* ");
       }
       printf("\n");
     }
     getch();
   }     

             

Download Program source code

2.
Write a Program to Print Patten using while loop in c program - Program Code

/* Write a Program to  print patten
   *
   * *
   * * *
   * * * *
   * * * * *  using while loop   */
   #include<stdio.h>
   #include<conio.h>
   void main()
   {
     int i=0,j;
     clrscr();
     while(i<5)
     {
       j=0;
       while(j<=i)
       {
printf("* ");
j++;
       }
       printf("\n");
       i++;
     }
     getch();
   } 

         

Download Program source code

3.
Write a Program to Print Patten using do while loop in c program - Program Code

 /* Write a Program to  print patten
   *
   * *
   * * *
   * * * *
   * * * * *  using do while loop    */
   #include<stdio.h>
   #include<conio.h>
   void main()
   {
     int i=0,j;
     clrscr();
     do
     {
       j=0;
       do
       {
printf("* ");
j++;
       }while(j<=i);
       printf("\n");
       i++;
     }while(i<5);
     getch();
   }

Download Program source code