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-2.0.8.36	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.0.8.35	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.0.8.34	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.0.8.33	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.0.8.32	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.0.8.31	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.0.8.30	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.0.8.29	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.0.8.28	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.0.8.27	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.0.8.26	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.0.8.24	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.0.8.23	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.0.8.22	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.0.8.21	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.0.8.20	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.0.8.19	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.0.8.18	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.0.8.17	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.0.8.16	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs