15

2015-11-19 23:46:19 +01:00 · 2015-11-19 23:46:19 +01:00 · 57c910bac5
commit 57c910bac5
parent 0070fcd07f
1 changed files with 7 additions and 0 deletions
--- a/euler15.php
+++ b/euler15.php
@ -0,0 +1,7 @@
+<?php
+/*
+* Gnieark's anwser to euler problem 15
+* https://projecteuler.net/problem=15
+*/
+
+echo gmp_fact(2*20)/pow(gmp_fact(20),2);