X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?p=aoc2020.git;a=blobdiff_plain;f=36.pl;fp=36.pl;h=4e254895344b7fda894e51e0612013e493f55905;hp=a94e60b1a9eb72d90e3c1651b77616f56910815d;hb=912ee8f67c242a90bf85264b1799a7c822bb1a1d;hpb=277489ebbac800da0ab71168202f0420d4ce9631

diff --git a/36.pl b/36.pl
index a94e60b..4e25489 100755
--- a/36.pl
+++ b/36.pl
@@ -2,14 +2,10 @@
 
 use strict;
 
-my $sum = 0;
-while (<>) {
-	s/\s//g;
-	$_ = "($_)";
-	1 while
-		s/\((\d+)\)/$1/ ||
-		s/(\([^\(\)]*?)(\d+)\+(\d+)([^\(\)]*\))/$1.($2+$3).$4/e ||
-		s/(\([^\(\)]*?)(\d+)\*(\d+)([^\(\)]*\))/$1.($2*$3).$4/e;
-	$sum += $_;
-}
-print "sum=$sum\n";
+$_ = '(('.join(')+(', <>).'))';
+s/\s//g;
+1 while
+	s/\((\d+)\)/$1/ ||
+	s/(\([^\(\)]*?)(\d+)\+(\d+)([^\(\)]*\))/$1.($2+$3).$4/e ||
+	s/(\([^\(\)]*?)(\d+)\*(\d+)([^\(\)]*\))/$1.($2*$3).$4/e;
+print "sum=$_\n";