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

74 entries across 74 versions & 1 rubygems

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