#include<stdio.h>
#include<conio.h>
void main()
{
    int i,n,j;
    char ch;
    clrscr();
    printf("\n Please Give The Value of N:  ");
    scanf("%d",&n);
    if(n>20)
    {
        printf("\n N MUST BE LESS THAN OR EQUAL TO 20 ");
        printf("\n OTHERWISE IT IS NOT DISPLAY AS PYRAMID");
        printf(" OR NOT FIT IN ");
    }
    else
    {
    for(i=1;i<=n;i++)
    {
        if(ch==90)
            ch=65;
        for(j=1;j<=n-i;j++)
            printf("  ");
        for(j=1,ch=87;j<=i;j++,ch++)
        {
        if(ch==91)
            ch=65;
            printf(" %c  ",ch);
        }
            printf("\n");


    }
    }
    getch();
}


--------------------------------- OUTPUT ---------------------------------




 Please Give The Value of N:  9


                 W
               W   X
             W   X   Y
           W   X   Y   Z
         W   X   Y   Z   A
       W   X   Y   Z   A   B
     W   X   Y   Z   A   B   C
   W   X   Y   Z   A   B   C   D
 W   X   Y   Z   A   B   C   D   E



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