<?php
$max = 0;
$output = null;
for ($i = 100; $i < 10000; $i++ ) {
for ($j = 100; $j < 10000; $j++) {
$mul = $i*$j;
if ($mul == strrev($mul) && $mul > $max) {
$max = $mul;
}
}
}
echo "$max\n";
- Output for 5.4.1 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Process exited with code 137.
preferences:
197.07 ms | 404 KiB | 227 Q