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- <html>
- <head>
- <title>Numbers</title>
- </head>
- <body>
- <form method="post">
- Enter n here: <input type="number" name="n">
- <input type="submit" name="submit" value="submit">
- </form>
- </body>
- </html>
- <?php
- if($_POST)
- {
- $n = $_POST['n'];
- $count = 0;
- for ($i = 1; $i <= 9; $i++) {
- for ($j = 0; $j <= 9; $j++) {
- for ($k = 0; $k <= 9; $k++) {
- $numStr = $i.$j.$k;
- $number = (int)$numStr;
- if ($number > $n) {
- break;
- }
- $firstDigit = floor($number / 100);
- $secondDigit = floor(($number / 10)% 10);
- $thirdDigit = floor($number % 10);
- if ($firstDigit != $secondDigit && $firstDigit != $thirdDigit) {
- if ($secondDigit != $thirdDigit) {
- echo $firstDigit;
- echo $secondDigit;
- echo $thirdDigit;
- echo " ";
- $count++;
- }
- }
- }
- }
- }
- if ($count == 0) {
- echo "no";
- }
- }
- ?>
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