Square triangle4

Q. write a C program to display the character in following fashion:
A
BA
CBA
DCBA
EDCBA
DCBA
CBA
BA
A


Ans.


/* c program for square character triangle */

#include<stdio.h>
#include<conio.h>
int main()
{
 char ch,r,c;
 int sp;
 printf("\nEnter last character of triangle : ");
 scanf("%c",&ch);
 if(ch>='a' && ch<='z')
    ch=ch-32;
 printf("\n");
 for(r='A'; r<=ch; r++)
 {
    for(c=r; c>='A'; c--)
        printf("%c",c);
    printf("\n");
 }
 for(r='A'; 'A'<=ch; ch--,r++)
 {
    for(c=ch-1; c>='A'; c--)
        printf("%c",c);        
    printf("\n");
 }
 getch();
 return 0;
}

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