<h2 id="heading-url">URL</h2>
<a target="_blank" href="https://leetcode.com/problems/separate-black-and-white-balls/description/?envType=daily-question&amp;envId=2024-10-15">Separate Black and White Balls - LeetCode</a>
<h2 id="heading-code">Code</h2>
<a target="_blank" href="https://github.com/syohex/dotnet-study/tree/master/fsharp/leetcode/challenge/202410/separate-black-and-white-balls/main.fsx">https://github.com/syohex/dotnet-study/tree/master/fsharp/leetcode/challenge/202410/separate-black-and-white-balls/main.fsx</a>
<pre><code class="lang-fsharp">let minimumSteps (s: string) : int64 =
 s
 |&gt; Seq.fold (fun (acc, blacks) c -&gt; if c = '0' then acc + blacks, blacks else acc, blacks + 1) (0, 0)
 |&gt; fst
 |&gt; int64
</code></pre>

## URL

[Separate Black and White Balls - LeetCode](https://leetcode.com/problems/separate-black-and-white-balls/description/?envType=daily-question&envId=2024-10-15)

## Code

[https://github.com/syohex/dotnet-study/tree/master/fsharp/leetcode/challenge/202410/separate-black-and-white-balls/main.fsx](https://github.com/syohex/dotnet-study/tree/master/fsharp/leetcode/challenge/202410/separate-black-and-white-balls/main.fsx)

```fsharp
let minimumSteps (s: string) : int64 =
    s
    |> Seq.fold (fun (acc, blacks) c -> if c = '0' then acc + blacks, blacks else acc, blacks + 1) (0, 0)
    |> fst
    |> int64
```

LeetCode 2938. Separate Black and White Balls in F#

URL

Code