<h2 id="heading-url">URL</h2>
<a target="_blank" href="https://leetcode.com/problems/excel-sheet-column-title/description/">Excel Sheet Column Title - LeetCode</a>
<h2 id="heading-code">Code</h2>
<a target="_blank" href="https://github.com/syohex/dotnet-study/tree/master/fsharp/leetcode/problems/0168/main.fsx">https://github.com/syohex/dotnet-study/tree/master/fsharp/leetcode/problems/0168/main.fsx</a>
<pre><code class="lang-fsharp">open System

let convertToTitle (columnNumber: int) : string =
 let rec convertToTitle' n (acc: char list) =
 if n = 0 then
 acc |&gt; String.Concat
 else
 let n' = n - 1
 convertToTitle' (n' / 26) ((n' % 26 + int 'A' |&gt; char) :: acc)

 convertToTitle' columnNumber []
</code></pre>

## URL

[Excel Sheet Column Title - LeetCode](https://leetcode.com/problems/excel-sheet-column-title/description/)

## Code

[https://github.com/syohex/dotnet-study/tree/master/fsharp/leetcode/problems/0168/main.fsx](https://github.com/syohex/dotnet-study/tree/master/fsharp/leetcode/problems/0168/main.fsx)

```fsharp
open System

let convertToTitle (columnNumber: int) : string =
    let rec convertToTitle' n (acc: char list) =
        if n = 0 then
            acc |> String.Concat
        else
            let n' = n - 1
            convertToTitle' (n' / 26) ((n' % 26 + int 'A' |> char) :: acc)

    convertToTitle' columnNumber []
```

LeetCode 168. Excel Sheet Column Title in F#

URL

Code