From 657debc8c095f575793343dbfe6f1a9d9bb7c79e Mon Sep 17 00:00:00 2001
From: Bananymous <oskari.alaranta@bananymous.com>
Date: Mon, 4 Dec 2023 17:54:10 +0200
Subject: [PATCH] AOC2023: remove unnecessary loop

---
 userspace/aoc2023/day4/main.cpp | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/userspace/aoc2023/day4/main.cpp b/userspace/aoc2023/day4/main.cpp
index 1bc4ed36..9c7c9208 100644
--- a/userspace/aoc2023/day4/main.cpp
+++ b/userspace/aoc2023/day4/main.cpp
@@ -32,10 +32,8 @@ int puzzle1(FILE* fp)
 			continue;
 
 		int matching = matching_numbers(buffer);
-		int points = !!matching;
-		for (int i = 1; i < matching; i++)
-			points *= 2;
-		result += points;
+		if (matching > 0)
+			result += 1 << (matching - 1);
 	}
 
 	return result;