From 23f488a93bf886bbe9beadb8d76b9938cd879caa Mon Sep 17 00:00:00 2001
From: Avril <flanchan@cumallover.me>
Date: Sat, 5 Dec 2020 13:51:08 +0000
Subject: [PATCH] day5: fix pollution

---
 day5/day5.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/day5/day5.c b/day5/day5.c
index 6cdbe3e..4ae8faf 100644
--- a/day5/day5.c
+++ b/day5/day5.c
@@ -119,8 +119,7 @@ int main()
 	{
 		seat_t prev = seats[i-1];
 		seat_t this = seats[i];
-#define diff (this.id - prev.id)
-		if(diff == 2)
+		if( (this.id - prev.id) == 2)
 		{
 			printf("%d\n", prev.id+1);
 			return 0;