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- #!/usr/bin/perl
-
- =head1 NAME
-
- 1.pl
-
- =head1 SYNOPSIS
-
- perl ./1.pl
-
- =head1 DESCRIPTION
-
- Project Euler, Problem 1:
-
- If we list all the natural numbers below 10 that are multiples of 3 or 5, we
- get 3, 5, 6 and 9. The sum of these multiples is 23.
-
- Find the sum of all the multiples of 3 or 5 below 1000.
-
- =head1 AUTHOR
-
- Brennen Bearnes <bbearnes@gmail.com>
- http://p1k3.com/
-
- =cut
-
- use strict;
- use warnings;
- use 5.10.0;
-
- my $sum = 0;
- for (1..999) {
- my $yesh = ((!($_ % 3)) || (!($_ % 5)));
- $sum += $_ if $yesh;
- }
- say $sum;
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