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-2.2.1.98	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.97	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.96	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.95	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.94	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.93	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.92	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.91	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.90	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.89	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.88	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.87	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.86	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.85	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.84	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.83	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.82	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.81	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.80	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs
trackler-2.2.1.79	tracks/haskell/exercises/difference-of-squares/examples/success-standard/src/Squares.hs