C pattern program of stars and alphabets:

     *
   *A*
 *A*A*
*A*A*A*

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#include<stdio.h> main() { int n, c, k, space, count = 1; printf("Enter number of rows\n"); scanf("%d",&n); space = n; for ( c = 1 ; c <= n ; c++) { for( k = 1 ; k < space ; k++) printf(" "); for ( k = 1 ; k <= c ; k++) { printf("*"); if ( c > 1 && count < c) { printf("A"); count++; } } printf("\n"); space--; count = 1; } return 0;