Submission #107118

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Source Code Expand

{-# LANGUAGE MultiParamTypeClasses,FlexibleContexts,FlexibleInstances,TypeSynonymInstances,BangPatterns,RankNTypes #-}

import Control.Monad
import Control.Monad.ST
import Control.Applicative
import Control.Arrow
import Debug.Trace
import Text.Printf

import Data.List
import Data.Int
import Data.Maybe
import Data.Array.Unboxed
import Data.Array.ST
import qualified Data.Map as M
import qualified Data.Set as S
import qualified Data.ByteString.Char8 as B

readInt = B.readInt >>> fmap fst >>> fromMaybe 0
readsInt = map readInt . B.words <$> B.getLine
readLine :: Read a => IO a
readLine = read <$> getLine 
readsLine :: Read a => IO [a]
readsLine = map read . words <$> getLine

cmpFst (a,_) (b,_) = compare a b
cmpSnd (_,a) (_,b) = compare a b
cmpLen a b = length a `compare` length b

swap (a,b) = (b,a)
rect a b = rect2 0 0 a b
rect2 i j a b = ((i,j),(a,b))

itof :: Int -> Double
itof = fromIntegral
casti = fromIntegral

maximize f l = snd $ maximumBy cmpFst [(f x,x) | x <- l]
minimize f l = snd $ minimumBy cmpFst [(f x,x) | x <- l]

infixr 2 <||> 
infixr 3 <&&>
p1 <||> p2 = (p1 &&& p2) >>> uncurry (||)
p1 <&&> p2 = (p1 &&& p2) >>> uncurry (&&)


main = do
    m <- readLn  :: IO Double
    let a | m < 100 = 0
          | m <=  5000 = m / 1000 * 10
          | m <= 30000 = m / 1000 + 50
          | m <= 70000 = (m / 1000 - 30) / 5 + 80
          | otherwise = 89
    printf "%02d\n" (round a :: Int)

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