<h2 id="heading-url">URL</h2>
<a target="_blank" href="https://leetcode.com/problems/count-of-matches-in-tournament/description/?envType=daily-question&amp;envId=2023-12-05">https://leetcode.com/problems/count-of-matches-in-tournament/description/?envType=daily-question&amp;envId=2023-12-05</a>
<h2 id="heading-code">Code</h2>
<a target="_blank" href="https://github.com/syohex/dotnet-study/blob/master/fsharp/leetcode/problems/1688/main.fsx">https://github.com/syohex/dotnet-study/blob/master/fsharp/leetcode/problems/1688/main.fsx</a>
<pre><code class="lang-fsharp">let numberOfMatches (n: int) : int =
 let rec numberOfMatches' n isEven acc =
 if n &lt;= 1 then
 acc
 else
 let matches = if isEven then n / 2 else (n - 1) / 2
 numberOfMatches' (n - matches) (not isEven) (acc + matches)

 numberOfMatches' n true 0
</code></pre>

## URL

[https://leetcode.com/problems/count-of-matches-in-tournament/description/?envType=daily-question&envId=2023-12-05](https://leetcode.com/problems/count-of-matches-in-tournament/description/?envType=daily-question&envId=2023-12-05)

## Code

[https://github.com/syohex/dotnet-study/blob/master/fsharp/leetcode/problems/1688/main.fsx](https://github.com/syohex/dotnet-study/blob/master/fsharp/leetcode/problems/1688/main.fsx)

```fsharp
let numberOfMatches (n: int) : int =
 let rec numberOfMatches' n isEven acc =
 if n <= 1 then
 acc
 else
 let matches = if isEven then n / 2 else (n - 1) / 2
 numberOfMatches' (n - matches) (not isEven) (acc + matches)

 numberOfMatches' n true 0
```

LeetCode 1688. Count of Matches in Tournament in F#

URL

Code