Take functional python to the next level

1 files changed, 14 insertions, 5 deletions

diff --git a/2015/17/puzzle-1.py b/2015/17/puzzle-1.py
index b201e5b..184d8dc 100755
--- a/2015/17/puzzle-1.py
+++ b/2015/17/puzzle-1.py
@@ -7,11 +7,20 @@ def main() -> None:
 	with open("input", "r", encoding="utf-8") as f:
 		nums = list(map(int, f.readlines()))
 
-	combs: list[tuple[int, ...]] = []
-	for n in range(len(nums) + 1):
-		combs += list(itertools.combinations(nums, n))
-
-	print(len(list(filter(lambda x: sum(x) == 150, combs))))
+	print(
+		len(
+			list(
+				filter(
+					lambda x: sum(x) == 150,
+					list(
+						itertools.chain(
+							*[list(itertools.combinations(nums, n)) for n in range(len(nums) + 1)]
+						)
+					),
+				)
+			)
+		)
+	)
 
 
 if __name__ == "__main__":