Program to print the following pyramid of characters in C

C program to print the following character pyramid:

A
BA
ABA
BABA
ABABA


Solution:

/*c program for character pyramid*/

#include<stdio.h>

int main()

{

int num,r,c;

char ch='A',st='B';

printf("Enter number of rows: ");

scanf("%d", &num);

for(r=1; r<=num; r++)

{

for(c=r; c>=1; c--)

{

if(c%2==0)

printf("%c", st);

else

printf("%c", ch);

}

printf("\n");

}

return 0;

}

Output: