From: Jan "Yenya" Kasprzak <kas@fi.muni.cz>
Date: Wed, 18 Dec 2024 12:22:50 +0000 (+0100)
Subject: Cleanups of Day 18
X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=commitdiff_plain;h=37e13b2dc557454cbb883723751eecbc830f3305;p=aoc.git

Cleanups of Day 18
---

diff --git a/2024/35.pl b/2024/35.pl
index 79bdc5a..c6b9ca4 100755
--- a/2024/35.pl
+++ b/2024/35.pl
@@ -8,7 +8,7 @@ my ($xmax, $ymax) = (70,70);
 my %map;
 while (<>) {
 	chomp;
-	$map{join(',', split /,/)}++;
+	$map{$_}++;
 	# last if $. == 12;
 	last if $. == 1024;
 }
@@ -29,4 +29,3 @@ while (@q) {
 		push @q, [$cost+1, $nx, $ny];
 	}
 }
-
diff --git a/2024/36.pl b/2024/36.pl
index ec3a0e3..f804979 100755
--- a/2024/36.pl
+++ b/2024/36.pl
@@ -7,7 +7,7 @@ my ($xmax, $ymax) = (70,70);
 my %map;
 while (<>) {
 	chomp;
-	$map{join(',', split /,/)}++;
+	$map{$_}++;
 	# if ($. > 12 && !is_path()) {
 	if ($. > 1024 && !is_path()) {
 		say $_;
@@ -16,19 +16,18 @@ while (<>) {
 }
 
 sub is_path {
-	my @q = [0, 0, 0];
+	my @q = [0, 0];
 	my %seen;
 	while (@q) {
-		my ($cost, $x, $y) = @{ shift @q };
-		if ($x == $xmax && $y == $ymax) {
-			return 1;
-		}
+		my ($x, $y) = @{ shift @q };
+		return 1 if $x == $xmax && $y == $ymax;
+
 		for my ($dx, $dy) (-1, 0, 1, 0, 0, -1, 0, 1) {
 			my ($nx, $ny) = ($x+$dx, $y+$dy);
 			next if $map{"$nx,$ny"};
 			next if $seen{"$nx,$ny"}++;
 			next if $nx < 0 || $nx > $xmax || $ny < 0 || $ny > $ymax;
-			push @q, [$cost+1, $nx, $ny];
+			push @q, [$nx, $ny];
 		}
 	}
 	return 0;