aoc2021

commit 9f929507996da7d9f63427f9f5f2c4a0cb213d54
parent e02622e3ac6a9f7e5224efef7bd6f66a89f8e35b
Author: Samir Parikh <noreply@samirparikh.com>
Date:   Wed,  1 Dec 2021 22:07:53 +0000

update Day 01 solution to remove unnecessary lines
as we do not need to compute the "overlap" as it is present
in both windows

Diffstat:
M
day01.pl
 | 
9
+--------

1 file changed, 1 insertion(+), 8 deletions(-)
diff --git a/day01.pl b/day01.pl
@@ -19,11 +19,4 @@ chomp( my @input = ( <$filehandle> ) );
 say scalar( grep { $input[$_] > $input[$_ - 1] } (1 .. $#input) );
 
 # Part 2
-say scalar(
-    grep {
-        my $overlap       = $input[$_] + $input[$_ + 1];
-        my $first_window  = $overlap + $input[$_ - 1];
-        my $second_window = $overlap + $input[$_ + 2];
-        $second_window > $first_window
-    } (1 .. $#input - 2)
-);
+say scalar( grep { $input[$_ + 2] > $input[$_ - 1] } (1 .. $#input - 2) );