C Program to print the following Pattern.

Aa
Aa    Bb
Aa    Bb    Cc

#include<stdio.h>

#include<conio.h>

main()

{

                int i,j;

                char c;

                clrscr();

                for(i=1;i<4;i++)

                {

                                c='A';

                                for(j=1;j<=i;j++,c++)

                                {

                                                printf("%c%c\t",c,c+32);

                                }

                                printf("\n");

                }

                getch();

}