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test haskell
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import System.IO | |
import Control.Monad | |
import Data.List | |
main :: IO () | |
main = do | |
hSetBuffering stdout NoBuffering -- DO NOT REMOVE | |
-- The code below will read all the game information for you. | |
-- On each game turn, information will be available on the standard input, you will be sent: | |
-- -> the total number of visible enemies | |
-- -> for each enemy, its name and distance from you | |
-- The system will wait for you to write an enemy name on the standard output. | |
-- Once you have designated a target: | |
-- -> the cannon will shoot | |
-- -> the enemies will move | |
-- -> new info will be available for you to read on the standard input. | |
loop | |
loop :: IO () | |
loop = do | |
input_line <- getLine | |
let count = read input_line :: Int -- The number of current enemy ships within range | |
let ennemies = replicateM count $ do | |
input_line <- getLine | |
let input = words input_line | |
let enemy = input!!0 -- The name of this enemy | |
let dist = read (input!!1) :: Int -- The distance to your cannon of this enemy | |
return (enemy,dist) | |
do | |
en <- ennemies | |
let (name,_) = head $ sortBy (\ (_,a) (_,b) -> compare a b ) en | |
putStrLn name | |
loop | |
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