<h2 id="heading-url">URL</h2>
<p><a href="https://leetcode.com/problems/boats-to-save-people/" class="autolinkedURL autolinkedURL-url" target="_blank">leetcode.com/problems/boats-to-save-people</a></p>
<h2 id="heading-code">Code</h2>
<p><a href="https://github.com/syohex/dotnet-study/blob/master/fsharp/leetcode/problems/0881/main.fsx" class="autolinkedURL autolinkedURL-url" target="_blank">github.com/syohex/dotnet-study/blob/master/..</a></p>
<pre><code class="lang-fsharp">let numRescueBoats (people: int list) (limit: int) : int =
    let rec numRescueBoats' (people: int []) limit left right count =
        if left &gt; right then
            count
        else if people.[left] + people.[right] &lt;= limit then
            numRescueBoats' people limit (left + 1) (right - 1) (count + 1)
        else
            numRescueBoats' people limit left (right - 1) (count + 1)

    let people' = people |&gt; List.sort |&gt; List.toArray
    numRescueBoats' people' limit 0 (people'.Length - 1) 0
</code></pre>


## URL

https://leetcode.com/problems/boats-to-save-people/

## Code

https://github.com/syohex/dotnet-study/blob/master/fsharp/leetcode/problems/0881/main.fsx

```fsharp
let numRescueBoats (people: int list) (limit: int) : int =
    let rec numRescueBoats' (people: int []) limit left right count =
        if left > right then
            count
        else if people.[left] + people.[right] <= limit then
            numRescueBoats' people limit (left + 1) (right - 1) (count + 1)
        else
            numRescueBoats' people limit left (right - 1) (count + 1)

    let people' = people |> List.sort |> List.toArray
    numRescueBoats' people' limit 0 (people'.Length - 1) 0
```

LeetCode 881. Boats to Save People in F#

URL

Code