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-2.2.1.119	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.118	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.117	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.116	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.115	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.114	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.113	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.111	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.110	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.109	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.108	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.107	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.106	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.105	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.104	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.103	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.102	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.101	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.100	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.99	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs