Created
October 17, 2012 03:19
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world Cup 2014 Asian Qualifiers Group B
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import Control.Monad | |
import Data.List | |
import Data.Maybe | |
data Country = Japan | Jordan | Australia | Oman | Iraq deriving (Eq,Show) | |
countries = [Japan, Jordan , Australia, Oman, Iraq] | |
countryPriority :: Country -> Int | |
countryPriority x | |
| x == Japan = 0 | |
| otherwise = 5 | |
matchDone = concat | |
[ [(Japan,3),(Oman,0)] | |
, [(Jordan,1),(Iraq,1)] | |
, [(Japan,3),(Jordan,0)] | |
, [(Oman,1),(Australia,1)] | |
, [(Australia,1),(Japan,1)] | |
, [(Iraq,1),(Oman,1)] | |
, [(Japan,3),(Iraq,0)] | |
, [(Jordan,3),(Australia,0)] | |
, [(Oman, 3), (Jordan, 0)] | |
, [(Iraq, 0), (Australia, 3)] | |
] | |
matchLeft = | |
[ | |
[Iraq, Jordan] | |
, [Oman, Japan] | |
, [Australia, Oman] | |
, [Jordan, Japan] | |
, [Japan, Australia] | |
, [Oman, Iraq] | |
, [Iraq, Japan] | |
, [Australia, Jordan] | |
, [Jordan, Oman] | |
, [Australia, Iraq] ] | |
leftResultPattern :: [[Int]] | |
leftResultPattern = map concat $ replicateM leftMatchNum [[3,0],[1,1],[0,3]] | |
leftMatchNum = length matchLeft | |
resultToPointPattern :: [Int] -> [(Country, Int)] | |
resultToPointPattern res = zip (concat matchLeft) res | |
calcPoint :: [(Country, Int)] -> Country -> (Country, Int) | |
calcPoint pp c = (c, sum $ (map snd $ filter (\x@(cn,pt) -> cn == c ) pp)) | |
resultCompare :: (Country, Int) -> (Country, Int) -> Ordering | |
resultCompare (c1,r1) (c2,r2) | |
| r1 > r2 = LT | |
| r1 < r2 = GT | |
| r1 == r2 = compare (countryPriority c2) (countryPriority c1) | |
orderByJapan :: [(Country,Int)] -> [(Country,Int)] -> Ordering | |
orderByJapan x y = | |
compare | |
(fmap snd $ find (\a@(c,r) -> c == Japan) x) | |
(fmap snd $ find (\a@(c,r) -> c == Japan) y) | |
main = do | |
let pointPattern = | |
map (\pt -> | |
sortBy resultCompare | |
(map (calcPoint (matchDone ++ (resultToPointPattern pt))) | |
countries) | |
) leftResultPattern | |
let lossPattern = filter (\x -> notElem Japan (map (\y@(c,r)->c) | |
(take 2 x))) | |
pointPattern | |
let lossPoints = sort $ map (\x -> snd $ fromMaybe (Japan, 0) x) | |
(nub $ map (find (\x@(a,b) -> a == Japan)) lossPattern) | |
mapM_ print $ sortBy orderByJapan lossPattern | |
let l = length lossPattern | |
let t = length pointPattern | |
print $ (l, t, (fromIntegral l)/(fromIntegral t)) | |
mapM_ print $ map (\p -> | |
let l = length $ filter (elem (Japan, p)) lossPattern | |
t = length $ filter (elem (Japan, p)) pointPattern | |
in | |
(p, l, t, (fromIntegral (t-l))/(fromIntegral t) * 100)) lossPoints | |
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