Contents

module DifferenceOfSquares exposing (difference, squareOfSum, sumOfSquares)


squareOfSum : Int -> Int
squareOfSum n =
    let
        sum =
            n * (n + 1) // 2
    in
    sum * sum


sumOfSquares : Int -> Int
sumOfSquares n =
    List.sum (List.map (\m -> m * m) (List.range 0 n))


difference : Int -> Int
difference n =
    squareOfSum n - sumOfSquares n

Version data entries

66 entries across 66 versions & 1 rubygems

Version	Path
trackler-2.2.1.180	tracks/elm/exercises/difference-of-squares/DifferenceOfSquares.example.elm
trackler-2.2.1.179	tracks/elm/exercises/difference-of-squares/DifferenceOfSquares.example.elm
trackler-2.2.1.178	tracks/elm/exercises/difference-of-squares/DifferenceOfSquares.example.elm
trackler-2.2.1.177	tracks/elm/exercises/difference-of-squares/DifferenceOfSquares.example.elm
trackler-2.2.1.176	tracks/elm/exercises/difference-of-squares/DifferenceOfSquares.example.elm
trackler-2.2.1.175	tracks/elm/exercises/difference-of-squares/DifferenceOfSquares.example.elm
trackler-2.2.1.174	tracks/elm/exercises/difference-of-squares/DifferenceOfSquares.example.elm
trackler-2.2.1.173	tracks/elm/exercises/difference-of-squares/DifferenceOfSquares.example.elm
trackler-2.2.1.172	tracks/elm/exercises/difference-of-squares/DifferenceOfSquares.example.elm
trackler-2.2.1.171	tracks/elm/exercises/difference-of-squares/DifferenceOfSquares.example.elm
trackler-2.2.1.170	tracks/elm/exercises/difference-of-squares/DifferenceOfSquares.example.elm
trackler-2.2.1.169	tracks/elm/exercises/difference-of-squares/DifferenceOfSquares.example.elm
trackler-2.2.1.167	tracks/elm/exercises/difference-of-squares/DifferenceOfSquares.example.elm
trackler-2.2.1.166	tracks/elm/exercises/difference-of-squares/DifferenceOfSquares.example.elm
trackler-2.2.1.165	tracks/elm/exercises/difference-of-squares/DifferenceOfSquares.example.elm
trackler-2.2.1.164	tracks/elm/exercises/difference-of-squares/DifferenceOfSquares.example.elm
trackler-2.2.1.163	tracks/elm/exercises/difference-of-squares/DifferenceOfSquares.example.elm
trackler-2.2.1.162	tracks/elm/exercises/difference-of-squares/DifferenceOfSquares.example.elm
trackler-2.2.1.161	tracks/elm/exercises/difference-of-squares/DifferenceOfSquares.example.elm
trackler-2.2.1.160	tracks/elm/exercises/difference-of-squares/DifferenceOfSquares.example.elm