pattern program 14 (C language)

Program - 14

/*
C program to print following character pyramid:
ABCDEDCBA
ABCD DCBA
ABC   CBA
AB     BA
A       A
*/

#include <stdio.h>

int main()
{
    int i,j;
    char CH='E';
    int space=1;
    
    /*loop for row*/
    for(i=1; i<=5; i++)
    {
        /*first part of the row*/
        for(j='A'; j<=CH; j++)
            printf("%c",j);
		
        /*remove last character of first part of first row*/
        if(i==1)
            printf("\b");
		
        /*spaces between first, second part of the row*/
        for(j=1; j<space; j++)
            printf(" ");
		
        /*second part of the row*/
        for(j=CH; j>='A'; j--)
            printf("%c",j);
        
        printf("\n");
        CH--;
        space++;
    }

    return 0;
}

Output

    ABCDEDCBA
    ABCD DCBA
    ABC   CBA
    AB     BA
    A       A