Contents

module Squares (squareOfSums, sumOfSquares, difference) where

square :: Integral a => a -> a
square n = n * n

squareOfSums :: Integral a => a -> a
squareOfSums n = square $ n * succ n `div` 2

sumOfSquares :: Integral a => a -> a
sumOfSquares n = (2 * n3 + 3 * n2 + n) `div` 6
  where n2 = square n
        n3 = n * n2

difference :: Integral a => a -> a
difference n = squareOfSums n - sumOfSquares n

Version data entries

396 entries across 396 versions & 1 rubygems

Version	Path
trackler-2.2.1.180	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.179	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.178	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.177	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.176	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.175	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.174	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.173	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.172	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.171	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.170	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.169	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.167	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.166	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.165	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.164	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.163	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.162	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.161	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.160	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs