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-2.2.1.139	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.138	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.137	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.136	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.135	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.134	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.133	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.132	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.131	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.130	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.129	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.128	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.127	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.126	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.125	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.124	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.123	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.122	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.121	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.120	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs