<h2 id="heading-url">URL</h2>
<p><a target="_blank" href="https://leetcode.com/problems/find-the-original-array-of-prefix-xor/description/?envType=daily-question&amp;envId=2023-10-31">Find The Original Array of Prefix Xor - LeetCode</a></p>
<h2 id="heading-code">Code</h2>
<p><a target="_blank" href="https://github.com/syohex/dotnet-study/tree/master/fsharp/leetcode/challenge/202310/find_the_original_array_of_prefix_xor/main.fsx">https://github.com/syohex/dotnet-study/tree/master/fsharp/leetcode/challenge/202310/find_the_original_array_of_prefix_xor/main.fsx</a></p>
<pre><code class="lang-fsharp"><span class="hljs-keyword">let</span> findArray (pref: int list) : int list =
    <span class="hljs-keyword">let</span> head = List.head pref

    List.tail pref
    |&gt; List.fold
        (<span class="hljs-keyword">fun</span> (ret, acc) n -&gt;
            <span class="hljs-keyword">let</span> m = acc ^^^ n
            m :: ret, acc ^^^ m)
        ([ head ], head)
    |&gt; fst
    |&gt; List.rev
</code></pre>


## URL

[Find The Original Array of Prefix Xor - LeetCode](https://leetcode.com/problems/find-the-original-array-of-prefix-xor/description/?envType=daily-question&envId=2023-10-31)

## Code

[https://github.com/syohex/dotnet-study/tree/master/fsharp/leetcode/challenge/202310/find\_the\_original\_array\_of\_prefix\_xor/main.fsx](https://github.com/syohex/dotnet-study/tree/master/fsharp/leetcode/challenge/202310/find_the_original_array_of_prefix_xor/main.fsx)

```fsharp
let findArray (pref: int list) : int list =
    let head = List.head pref

    List.tail pref
    |> List.fold
        (fun (ret, acc) n ->
            let m = acc ^^^ n
            m :: ret, acc ^^^ m)
        ([ head ], head)
    |> fst
    |> List.rev
```

LeetCode 2433. Find The Original Array of Prefix Xor in F#

URL

Code