<h2 id="heading-url">URL</h2>
<p><a href="https://leetcode.com/problems/backspace-string-compare/" class="autolinkedURL autolinkedURL-url" target="_blank">leetcode.com/problems/backspace-string-comp..</a></p>
<h2 id="heading-code">Code</h2>
<p><a href="https://github.com/syohex/dotnet-study/tree/master/fsharp/leetcode/problems/0844/main.fsx" class="autolinkedURL autolinkedURL-url" target="_blank">github.com/syohex/dotnet-study/tree/master/..</a></p>
<pre><code class="lang-fsharp">let backspaceCompare (s: string) (t: string) : bool =
    let rec build (cs: char list) (acc: char list) =
        match cs with
        | [] -&gt; acc |&gt; System.String.Concat
        | h :: t -&gt;
            if h = '#' then
                build t (acc |&gt; List.tail)
            else
                build t (h :: acc)

    (build (s |&gt; Seq.toList) []) = (build (t |&gt; Seq.toList) [])
</code></pre>


## URL

https://leetcode.com/problems/backspace-string-compare/

## Code

https://github.com/syohex/dotnet-study/tree/master/fsharp/leetcode/problems/0844/main.fsx

```fsharp
let backspaceCompare (s: string) (t: string) : bool =
    let rec build (cs: char list) (acc: char list) =
        match cs with
        | [] -> acc |> System.String.Concat
        | h :: t ->
            if h = '#' then
                build t (acc |> List.tail)
            else
                build t (h :: acc)

    (build (s |> Seq.toList) []) = (build (t |> Seq.toList) [])
```

LeetCode 844. Backspace String Compare in F#

URL

Code