A28 Answer

#include <stdio.h>
#include <stdlib.h>
/* Puzzle A28 -- print a square with an 8 char wide diagonal band */
const int boardsize=16, bandsize=8 ;
int main(int argc, char *argv[])
{
  int row, col;
  
  for ( row=0; row<boardsize; row++ )
  {
    for ( col=0; col<boardsize; col++ )
    {
      if ( row-bandsize/2 <= col && col < row-bandsize/2+bandsize )
        printf("*");
      else
        printf(".");
    }
    printf("\n");
  }
  
  printf("\n");
  system("PAUSE");	
  return 0;
}