<h2 id="heading-url">URL</h2>
<p><a target="_blank" href="https://leetcode.com/problems/maximum-number-of-vowels-in-a-substring-of-given-length/description/">https://leetcode.com/problems/maximum-number-of-vowels-in-a-substring-of-given-length/description/</a></p>
<h2 id="heading-code">Code</h2>
<p><a target="_blank" href="https://github.com/syohex/dotnet-study/blob/master/fsharp/leetcode/problems/1456/main.fsx">https://github.com/syohex/dotnet-study/blob/master/fsharp/leetcode/problems/1456/main.fsx</a></p>
<pre><code class="lang-plaintext">let maxVowels (s: string) (k: int) : int =
    let isVowel (c: char) : bool =
        c = 'a' || c = 'e' || c = 'i' || c = 'o' || c = 'u'

    s
    |&gt; Seq.windowed k
    |&gt; Seq.map (fun w -&gt; Seq.filter isVowel w |&gt; Seq.length)
    |&gt; Seq.max
</code></pre>


## URL

[https://leetcode.com/problems/maximum-number-of-vowels-in-a-substring-of-given-length/description/](https://leetcode.com/problems/maximum-number-of-vowels-in-a-substring-of-given-length/description/)

## Code

[https://github.com/syohex/dotnet-study/blob/master/fsharp/leetcode/problems/1456/main.fsx](https://github.com/syohex/dotnet-study/blob/master/fsharp/leetcode/problems/1456/main.fsx)

```plaintext
let maxVowels (s: string) (k: int) : int =
    let isVowel (c: char) : bool =
        c = 'a' || c = 'e' || c = 'i' || c = 'o' || c = 'u'

    s
    |> Seq.windowed k
    |> Seq.map (fun w -> Seq.filter isVowel w |> Seq.length)
    |> Seq.max
```

LeetCode 1456. Maximum Number of Vowels in a Substring of Given Length in F#

URL

Code