<h2 id="heading-url">URL</h2>
<p><a href="https://leetcode.com/problems/ransom-note/" class="autolinkedURL autolinkedURL-url" target="_blank">leetcode.com/problems/ransom-note</a></p>
<h2 id="heading-code">Code</h2>
<p><a href="https://github.com/syohex/dotnet-study/blob/master/fsharp/leetcode/problems/0383/main.fsx" class="autolinkedURL autolinkedURL-url" target="_blank">github.com/syohex/dotnet-study/blob/master/..</a></p>
<pre><code class="lang-fsharp">let canConstruct (ransomNote: string) (magazine: string) : bool =
    let f (s: string) : int [] =
        s
        |&gt; Seq.fold
            (fun (acc: int []) c -&gt;
                let index = int c - int 'a'
                acc.[index] &lt;- acc.[index] + 1
                acc)
            (Array.zeroCreate 26)

    Array.zip (f ransomNote) (f magazine)
    |&gt; Array.forall (fun (a, b) -&gt; a &lt;= b)
</code></pre>


## URL

https://leetcode.com/problems/ransom-note/

## Code

https://github.com/syohex/dotnet-study/blob/master/fsharp/leetcode/problems/0383/main.fsx

```fsharp
let canConstruct (ransomNote: string) (magazine: string) : bool =
    let f (s: string) : int [] =
        s
        |> Seq.fold
            (fun (acc: int []) c ->
                let index = int c - int 'a'
                acc.[index] <- acc.[index] + 1
                acc)
            (Array.zeroCreate 26)

    Array.zip (f ransomNote) (f magazine)
    |> Array.forall (fun (a, b) -> a <= b)
```

LeetCode 383. Ransom Note in F#

URL

Code