Project Euler problem 2.

2023-01-22 13:29:37 -05:00 · 2023-01-22 13:29:37 -05:00 · 354fa17588
commit 354fa17588
parent 8b6e6959cf
1 changed files with 22 additions and 0 deletions
--- a/PE2.php
+++ b/PE2.php
@ -0,0 +1,22 @@
+<?php
+$pre = 0;
+$cur = 1;
+$nex = 0;
+
+$s = 0;
+
+$cap = 4000000;
+
+while ($cur <= $cap) {
+	$nex = $pre + $cur;
+	$pre = $cur;
+	$cur = $nex;
+
+	if ($cur % 2 == 0) {
+		$s = $s + $cur;
+	}
+}
+
+echo $s . "\n";
+
+?>