/* 
   Program: tree.c

   Using nested for loops to draw a tree.
*/

#include <stdio.h>
#include "genlib.h"
#include "simpio.h"

main() {
   int i, j, k ;

   for (k = 1 ; k <= 3; ++k) { 
      for (i = 1 ; i <= 5 ; ++i ) {
  	 for (j = 1 ; j <= 5 +i ; ++j) {
	    if ( i > 5 - j) {
	       printf("*") ;
	    } else {
	       printf(" ") ;
	    }
	 } 
	 printf("\n") ;
      }
   }
}