<h2 id="heading-url">URL</h2>
<p><a href="https://leetcode.com/problems/remove-nth-node-from-end-of-list/" class="autolinkedURL autolinkedURL-url" target="_blank">leetcode.com/problems/remove-nth-node-from-..</a></p>
<h2 id="heading-code">Code</h2>
<p><a href="https://github.com/syohex/dotnet-study/tree/master/fsharp/leetcode/problems/0019/main.fsx" class="autolinkedURL autolinkedURL-url" target="_blank">github.com/syohex/dotnet-study/tree/master/..</a></p>
<pre><code class="lang-fsharp">type List =
    | Leaf
    | Node of int * List

let removeNthFromEnd(head: List) (n: int) : List =
    let rec removeNthFromEnd' node pos n =
        match node with
        | Leaf -&gt; pos, Leaf
        | Node(v, next) -&gt;
            let lastPos, next' = removeNthFromEnd' next (pos + 1) n
            if lastPos - pos = n then
                lastPos, next'
            else
                lastPos, Node(v, next')

    removeNthFromEnd' head 0 n |&gt; snd
</code></pre>


## URL

https://leetcode.com/problems/remove-nth-node-from-end-of-list/

## Code

https://github.com/syohex/dotnet-study/tree/master/fsharp/leetcode/problems/0019/main.fsx

```fsharp
type List =
    | Leaf
    | Node of int * List

let removeNthFromEnd(head: List) (n: int) : List =
    let rec removeNthFromEnd' node pos n =
        match node with
        | Leaf -> pos, Leaf
        | Node(v, next) ->
            let lastPos, next' = removeNthFromEnd' next (pos + 1) n
            if lastPos - pos = n then
                lastPos, next'
            else
                lastPos, Node(v, next')

    removeNthFromEnd' head 0 n |> snd
```

LeetCode 19. Remove Nth Node From End of List in F#

URL

Code