DZone Snippets: inverse code http://snippets.dzone.com/posts Sun, 27 Jul 2008 00:55:06 GMT DZone Snippets: inverse code PHP - InversoMoltiplicativo http://snippets.dzone.com/posts/show/2022 // Calcolo degli inversi moltiplicativi <br /> <br /><code> <br /><html> <br /> <head> <br /> <title>Calcolo degli inversi moltiplicativi</title> <br /> </head> <br /> <br /> <body> <br /> <center> <br /> <b>Cancolo dell'Inverso Moltiplicativo</b> <br /> <br><hr><br> <br /> <table border="1" align="center"> <br /> <?php <br /> for($i=0; $i<26; $i++) <br /> { <br /> ?> <br /> <tr> <br /> <?php <br /> for($j=0; $j<26; $j++) <br /> { <br /> if($i==0) echo "<td bgcolor=\"yellow\" align=\"center\">" . $j . "</td>"; <br /> else <br /> if($j==0) echo "<td bgcolor=\"yellow\" align=\"center\">" . $i . "</td>"; <br /> else <br /> { <br /> echo "<td align=\"center\">" . $i*$j . "</td>"; <br /> $matrice[$i-1][$j-1] = $i*$j; <br /> } <br /> } <br /> ?> <br /> </tr> <br /> <?php <br /> } <br /> <br /> for($i=0; $i<25; $i++) <br /> for($j=0; $j<25; $j++) <br /> $matrice[$i][$j] = $matrice[$i][$j]%26; <br /> ?> <br /> </table> <br /> <br><hr> <br /> <b>Tabella dell'Inverso Moltiplicativo</b> <br /> <br><hr><br> <br /> <table border="1" align="center"> <br /> <?php <br /> for($i=0; $i<26; $i++) <br /> { <br /> echo "<tr>"; <br /> <br /> for($j=0; $j<26; $j++) <br /> { <br /> if($i==0) echo "<td bgcolor=\"yellow\" align=\"center\">" . $j . "</td>"; <br /> else <br /> if($j==0) echo "<td bgcolor=\"yellow\" align=\"center\">" . $i . "</td>"; <br /> else <br /> { <br /> echo "<td align=\"center\" " . (($matrice[$i-1][$j-1] == 1)?"bgcolor=\"red\"":"") . "\">" . $matrice[$i-1][$j-1] . "</td>"; <br /> <br /> if($matrice[$i-1][$j-1] == 1) <br /> $np[] = $i; <br /> } <br /> } <br /> <br /> echo "</tr>"; <br /> } <br /> ?> <br /> </table> <br /> <br> <br /> <i><b>I numeri primi con 26 sono: <br /> <?php <br /> for($i=0; $i<count($np); $i++) <br /> echo $np[$i] . " "; <br /> ?> <br /> </b></i> <br /> <br><br> <br /> Si prendono le coppie di numeri che contengono il numero 1 al loro interno, esempio (1,1), (3,9)...... <br /> </center> <br /> </body> <br /></html> <br /></code> Mon, 15 May 2006 02:02:30 GMT http://snippets.dzone.com/posts/show/2022 whitetiger ()