summaryrefslogtreecommitdiffstats
path: root/2.pl
diff options
context:
space:
mode:
authorJesse Luehrs <doy@tozt.net>2009-05-14 19:51:41 -0500
committerJesse Luehrs <doy@tozt.net>2009-05-14 19:51:41 -0500
commitc3ff98ee4aa79bcaa07c8a478e96539c2a512e73 (patch)
tree0b1a04ee7e5b05ec23dcfa274d4258f8acbcdf9d /2.pl
parent394121b98178246a0b1063e9104f8878cf2a17e5 (diff)
downloadprojecteuler-c3ff98ee4aa79bcaa07c8a478e96539c2a512e73.tar.gz
projecteuler-c3ff98ee4aa79bcaa07c8a478e96539c2a512e73.zip
rename files for better sorting
Diffstat (limited to '2.pl')
-rwxr-xr-x2.pl18
1 files changed, 0 insertions, 18 deletions
diff --git a/2.pl b/2.pl
deleted file mode 100755
index 6b59aed..0000000
--- a/2.pl
+++ /dev/null
@@ -1,18 +0,0 @@
-#!/usr/bin/perl
-use strict;
-use warnings;
-
-my $root5 = sqrt 5;
-my $phi = (1 + $root5)/2;
-
-sub fib { int (($phi**$_[0]-(1-$phi)**$_[0])/$root5 + 0.5) }
-
-my $i = 0;
-my $sum = 0;
-while (1) {
- $i++;
- my $n = fib $i;
- last if $n > 1000000;
- $sum += $n if $n % 2 == 0;
-}
-print "$sum\n";