Files
adventofcode/2021/day1/day1_p1.hs
2023-11-16 10:48:53 +00:00

17 lines
303 B
Haskell

import Data.List
main :: IO ()
main = do
input <- readFile "input.txt"
print . count . map read $ words input
count :: [Int] -> Int
count (x:xs) = count_f x xs
count_f :: Int -> [Int] -> Int
count_f _ [] = 0
count_f nb (x:xs)
| x > nb = 1 + count_f x xs
| otherwise = count_f x xs