#include <stdio.h>
#include <stdlib.h>
/* Puzzle A24 -- print a square divided into 8 horizontal bands of alternating * and . */
int main()
{
int row, col;
int boardsize=16, bandsize=boardsize/8;
for ( row=0; row<boardsize; row++ )
{
for ( col=0; col<boardsize; col++ )
{
if ( (row/bandsize)%2 == 0)
printf("*");
else
printf(".");
}
printf("\n");
}
printf("\n");
return 0;
}