Nhc98
Jump to navigation
Jump to search
The printable version is no longer supported and may have rendering errors. Please update your browser bookmarks and please use the default browser print function instead.
uncommon :: [Int]->[Int]->[Int]
uncommon x y=common (finalsort (x++y))
common :: [Int]->[Int]
common []=[]
common [x]=[x]
common (x:y:zs)
| (x==y) =common zs
| otherwise =x:(common (y:zs))
sort :: [Int]->[Int]->[Int]
sort [] x=x
sort x []=x
sort (x:xs) (y:ys)
| (x>=y) =x:(sort xs (y:ys))
| otherwise =y:(sort (x:xs) ys)
finalsort :: [Int]->[Int]
finalsort [x]=[x]
finalsort x=sort (finalsort (first x)) (finalsort (lastest x))
mylength :: [Int]->Int
mylength []=0
mylength (x:xs)=1+ mylength xs
auxfirst :: [Int]->Int->[Int]
auxfirst x 0=[]
auxfirst (y:ys) x=y:(auxfirst ys (x-1))
first :: [Int]->[Int]
first x=auxfirst x (div (mylength x) 2)
auxlast :: [Int]->Int->[Int]
auxlast x 0=x
auxlast (x:xs) y=auxlast xs (y-1)
lastest :: [Int]->[Int]
lastest x=auxlast x (div (mylength x) 2)