From 33b6e6a2923e17a68f83ce8d5048e24970d8701d Mon Sep 17 00:00:00 2001
From: Yifan Gao <git@yfgao.com>
Date: Tue, 24 Jan 2017 02:28:08 +0600
Subject: [PATCH] fix IP counting

---
 generate.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/generate.sh b/generate.sh
index 6649f9b0..e6f81456 100755
--- a/generate.sh
+++ b/generate.sh
@@ -52,8 +52,8 @@ while read file; do
 	(
 		sum=0
 		while read n; do
-			s=$((32 - ${n}))
-			sum=$(($sum + 1<<$s))
+			((s=32-n))
+			((sum+=1<<s))
 		done
 		echo $sum
 	)