From 50503831bef2fb4e8ba0c63b9432495a39fbaa5b Mon Sep 17 00:00:00 2001
From: Jesse Luehrs <doy@tozt.net>
Date: Thu, 25 Oct 2012 02:03:29 -0500
Subject: another solution

---
 TREE.pl | 9 +++++++++
 1 file changed, 9 insertions(+)
 create mode 100644 TREE.pl

diff --git a/TREE.pl b/TREE.pl
new file mode 100644
index 0000000..dbed0f6
--- /dev/null
+++ b/TREE.pl
@@ -0,0 +1,9 @@
+#!/usr/bin/env perl
+use strict;
+use warnings;
+use 5.016;
+
+chomp(my $nodes = <>);
+chomp(my @edges = <>);
+
+say $nodes - @edges - 1;
-- 
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