Contents

module Triangle exposing (rows)

import List


nextRow : List Int -> List Int
nextRow row =
    List.map2 (+) (0 :: row) (row ++ [ 0 ])


rows : Int -> List (List Int)
rows n =
    let
        loop i row =
            if i == n then
                []
            else
                row :: loop (i + 1) (nextRow row)
    in
        if n < 0 then
            []
        else
            loop 0 [ 1 ]

Version data entries

61 entries across 61 versions & 1 rubygems

Version	Path
trackler-2.2.1.104	tracks/elm/exercises/pascals-triangle/Triangle.example.elm
trackler-2.2.1.103	tracks/elm/exercises/pascals-triangle/Triangle.example.elm
trackler-2.2.1.102	tracks/elm/exercises/pascals-triangle/Triangle.example.elm
trackler-2.2.1.101	tracks/elm/exercises/pascals-triangle/Triangle.example.elm
trackler-2.2.1.100	tracks/elm/exercises/pascals-triangle/Triangle.example.elm
trackler-2.2.1.99	tracks/elm/exercises/pascals-triangle/Triangle.example.elm
trackler-2.2.1.98	tracks/elm/exercises/pascals-triangle/Triangle.example.elm
trackler-2.2.1.97	tracks/elm/exercises/pascals-triangle/Triangle.example.elm
trackler-2.2.1.96	tracks/elm/exercises/pascals-triangle/Triangle.example.elm
trackler-2.2.1.95	tracks/elm/exercises/pascals-triangle/Triangle.example.elm
trackler-2.2.1.94	tracks/elm/exercises/pascals-triangle/Triangle.example.elm
trackler-2.2.1.93	tracks/elm/exercises/pascals-triangle/Triangle.example.elm
trackler-2.2.1.92	tracks/elm/exercises/pascals-triangle/Triangle.example.elm
trackler-2.2.1.91	tracks/elm/exercises/pascals-triangle/Triangle.example.elm
trackler-2.2.1.90	tracks/elm/exercises/pascals-triangle/Triangle.example.elm
trackler-2.2.1.89	tracks/elm/exercises/pascals-triangle/Triangle.example.elm
trackler-2.2.1.88	tracks/elm/exercises/pascals-triangle/Triangle.example.elm
trackler-2.2.1.87	tracks/elm/exercises/pascals-triangle/Triangle.example.elm
trackler-2.2.1.86	tracks/elm/exercises/pascals-triangle/Triangle.example.elm
trackler-2.2.1.85	tracks/elm/exercises/pascals-triangle/Triangle.example.elm