AOC2023: remove unnecessary loop

2023-12-04 17:54:10 +02:00 · 2023-12-04 17:54:10 +02:00 · cf76d2e7d9
parent 41f8974080
commit cf76d2e7d9
1 changed files with 2 additions and 4 deletions
--- 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;