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-2.2.1.78	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.77	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.76	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.75	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.74	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.73	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.72	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.71	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.70	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.69	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.68	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.67	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.66	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.65	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.64	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.63	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.62	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.61	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.60	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.59	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs