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author | Orangerot <purple@orangerot.dev> | 2024-05-17 15:41:55 +0200 |
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committer | Orangerot <purple@orangerot.dev> | 2024-12-01 05:55:27 +0100 |
commit | 347d2f1fbce2d3927a32b3af818ab67943628568 (patch) | |
tree | fae9181a8f69a7f26f9fec10bb0941ad4e0f1edd /2023/day06 | |
parent | a1895fe157e06ee4d119576163ea76390b3d402c (diff) |
Diffstat (limited to '2023/day06')
-rw-r--r-- | 2023/day06/Main.hs | 18 | ||||
-rw-r--r-- | 2023/day06/Main2.hs | 16 | ||||
-rw-r--r-- | 2023/day06/example.txt | 2 | ||||
-rw-r--r-- | 2023/day06/input.txt | 2 |
4 files changed, 38 insertions, 0 deletions
diff --git a/2023/day06/Main.hs b/2023/day06/Main.hs new file mode 100644 index 0000000..c7976b0 --- /dev/null +++ b/2023/day06/Main.hs @@ -0,0 +1,18 @@ +import Data.List.Split (splitOn) + +winsFromTimeDist :: (Int, Int) -> Int +winsFromTimeDist (time, dist) = length $ filter (> dist) $ zipWith (*) [0..time] (reverse [0..time]) + +main :: IO () +main = do + lines <- lines <$> getContents + + -- let values = map (map (\y -> read y :: Int) . splitOn [' '] . drop 9) lines + let values = map (map read . filter (/= "") . splitOn [' '] . drop 9) lines :: [[Int]] + let time_dist = zip (values!!0) (values!!1) + let wins = map winsFromTimeDist time_dist + let result = product wins + + print result + + diff --git a/2023/day06/Main2.hs b/2023/day06/Main2.hs new file mode 100644 index 0000000..ca975dd --- /dev/null +++ b/2023/day06/Main2.hs @@ -0,0 +1,16 @@ +import Data.List.Split (splitOn) + +winsFromTimeDist :: (Int, Int) -> Int +winsFromTimeDist (time, dist) = length $ filter (> dist) $ zipWith (*) [0..time] (reverse [0..time]) + +main :: IO () +main = do + lines <- lines <$> getContents + + -- let values = map (map (\y -> read y :: Int) . splitOn [' '] . drop 9) lines + let values = map (read . filter (/= ' ') . drop 9) lines :: [Int] + let wins = winsFromTimeDist (values!!0, values!!1) + + print wins + + diff --git a/2023/day06/example.txt b/2023/day06/example.txt new file mode 100644 index 0000000..28f5ae9 --- /dev/null +++ b/2023/day06/example.txt @@ -0,0 +1,2 @@ +Time: 7 15 30 +Distance: 9 40 200 diff --git a/2023/day06/input.txt b/2023/day06/input.txt new file mode 100644 index 0000000..bb5cfbc --- /dev/null +++ b/2023/day06/input.txt @@ -0,0 +1,2 @@ +Time: 38 94 79 70 +Distance: 241 1549 1074 1091 |