Pyramid Problem No. 69

 Q.69 Write a C program to print the following character rectangle program:

ABCD
BCDA
CDAB
DABC

Solving in C:

#include <stdio.h>
    int main(){
        int n=4,row,col,prnt_alpa;
        for(row=1; row<=n; row++){
            for(col=n-row+1,prnt_alpa=64+row; col>=1; col--,prnt_alpa++) 
                printf("%c",prnt_alpa);
            for(col=1,prnt_alpa=65; col<=row-1; col++,prnt_alpa++) 
                printf("%c",prnt_alpa);
            printf("\n");
        }
        return 0;
    }