Square triangle1

Q. write a C program to display the character in following fashion:


       A
      ABA
     ABCBA
    ABCDCBA


Ans.



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


/***************** OUTPUT ******************/

Character triangle