matrica


<!DOCTYPE html>
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<html>
    <head>
        <meta charset="UTF-8">
        <title>Matrica</title>
    </head>
    <style>
        table, th, tr {
        border: 1px solid black;
        border-collapse: collapse;
        }
        th, td {
        padding: 5px;
        text-align: center;
        }
    </style>
    <body>
        <form action="index.php" method="post">
            <p>Klikom na dugme generise se matrica dimenzija n koja ispisuje vrednost 0 po dijagonali</p>
            <p>n: <input type="number" name="n" /></p>
            <p><input type="submit" name="submit" value="Upisi" /></p>
        <?php
                    if (!empty($_POST["n"]))
                    {
                        $n = $_POST["n"];
                        echo "<table border = '1'>";

                        echo "<tr>";
                        for ($i = 1; $i <= $n; $i++){
                            for ($x = 1; $x <= $n; $x++){
                                echo "<td>";
                                if ($i == $x)
                                echo 0;
                                else
                                echo 1;
                            }
                            echo "<tr>";
                        }
                        echo "</table>";
                    }
        ?>
    </body>
</html>