#!/usr/bin/env php
<?php
function merge(&$a, &$b) {
	$c = array();
	while (count($a) > 0 && count($b) > 0) {
		if ($a[0] > $b[0]) {
			$c[] = $b[0];
			array_shift($b);
		} else {
			$c[] = $a[0];
			array_shift($a);
		}
	}
	while (count($a) > 0) {
		$c[] = $a[0];
		array_shift($a);
	}
	while (count($b) > 0) {
		$c[] = $b[0];
		array_shift($b);
	}
	return $c;
}

function mergesort(&$a) {
	$n = count($a);
	if ($n <= 1) {
		return $a;
	}

	$l1 = array();
	$l2 = array();
	$i = 0;
	while ($i < $n / 2) {
		$l1[] = $a[$i];
		$i++;
	}
	while ($i < $n) {
		$l2[] = $a[$i];
		$i++;
	}

	$l1 = mergesort($l1);
	$l2 = mergesort($l2);
	return merge($l1, $l2);
}

$numbers = array(47448054, 1106251565, 1208921855, 170086026, 840395770, 444281018, 1297307905, 1613614128, 357068250, 1829657695, 654555439, 1261773796, 1821640729, 449683981, 1062536538, 96076061, 1387478498, 1835855315, 364455615, 4830124, 864633601, 289493189, 471351435, 435996916, 1366312031, 888420407, 1923379522, 735726044, 1094401518, 245520239, 109946712, 1107893495, 592868510, 700148765, 273016388, 343881444, 420725947, 1259049694, 1692920986, 71271532, 1154617350, 593508009, 1106700528, 430204045, 1045928775, 1330476642, 49983990, 1451164767, 1175404600, 644832496, 365016297, 1048732794, 503615317, 217186301, 1176160338, 1183622513, 81711049, 1720671278, 1393072097, 1315236388, 1451774341, 92848458, 271000544, 1667871288, 380233084, 1053079658, 1249341507, 1276652307, 1722015039, 1243698025, 178813868, 1449271074, 1994327579, 270972819, 1043379189, 1592595484, 462468972, 1464773315, 1994172406, 997300623, 46405283, 1614271949, 447907123, 317292284, 378291676, 1253835093, 523476912, 1606023999, 59263848, 1234358080, 140981643, 1828471854, 1197394207, 1317927546, 878287915, 334576359, 982149842, 642878238, 1024064999, 1834342299);
for ($i = 0; $i < 3000; $i++) {
	mergesort($numbers);
}
?>