<h2 id="heading-url">URL</h2>
<p><a href="https://leetcode.com/problems/rotate-image/" class="autolinkedURL autolinkedURL-url" target="_blank">leetcode.com/problems/rotate-image</a></p>
<h2 id="heading-code">Code</h2>
<p><a href="https://github.com/syohex/dotnet-study/blob/master/fsharp/leetcode/problems/0048/main.fsx" class="autolinkedURL autolinkedURL-url" target="_blank">github.com/syohex/dotnet-study/blob/master/..</a></p>
<pre><code class="lang-fsharp">let rotate (matrix: int [,]) : unit =
    let n = Array2D.length1 matrix

    for i in 0 .. (n / 2 - 1) do
        for j in 0 .. (n - 1) do
            let tmp = matrix.[i, j]
            matrix.[i, j] &lt;- matrix.[n - 1 - i, j]
            matrix.[n - 1 - i, j] &lt;- tmp

    for i in 0 .. (n - 1) do
        for j in (i + 1) .. (n - 1) do
            let tmp = matrix.[i, j]
            matrix.[i, j] &lt;- matrix.[j, i]
            matrix.[j, i] &lt;- tmp

    ()
</code></pre>


## URL

https://leetcode.com/problems/rotate-image/

## Code

https://github.com/syohex/dotnet-study/blob/master/fsharp/leetcode/problems/0048/main.fsx

```fsharp
let rotate (matrix: int [,]) : unit =
    let n = Array2D.length1 matrix

    for i in 0 .. (n / 2 - 1) do
        for j in 0 .. (n - 1) do
            let tmp = matrix.[i, j]
            matrix.[i, j] <- matrix.[n - 1 - i, j]
            matrix.[n - 1 - i, j] <- tmp

    for i in 0 .. (n - 1) do
        for j in (i + 1) .. (n - 1) do
            let tmp = matrix.[i, j]
            matrix.[i, j] <- matrix.[j, i]
            matrix.[j, i] <- tmp

    ()
```

LeetCode 48. Rotate Image in F#

URL

Code