jebac

<!DOCTYPE html>
<html lang="pl"
xmlns:pwp="queens.pl">
<head>
	<meta charset="utf-8" />
	<title>Queens</title>
	<meta name="generator" content="BBEdit 11.5" />
</head>
<body pwp:ask="size(X)">


<h1>Queens problem</h1>

<h2>
	Solution for N = <span pwp:use="X"></span>
</h2>

<table
pwp:ask = "once(queens(X,Y))">
<tr pwp:ask="member(A, Y)">
	<td pwp:ask="between(1, X, N)">
		<img pwp:ask="N =:= A" src="pic/queen.png" />
		<img pwp:ask="N =\= A" src="pic/empty.png" />
	</td>
</tr>
</table>


</body>
</html>