<h2 id="heading-url">URL</h2>
<p><a target="_blank" href="https://leetcode.com/problems/minimum-flips-to-make-a-or-b-equal-to-c/description/">Minimum Flips to Make a OR b Equal to c - LeetCode</a></p>
<h2 id="heading-code">Code</h2>
<p><a target="_blank" href="https://github.com/syohex/dotnet-study/tree/master/fsharp/leetcode/problems/1318/main.fsx">https://github.com/syohex/dotnet-study/tree/master/fsharp/leetcode/problems/1318/main.fsx</a></p>
<pre><code class="lang-plaintext">let minFlips (a: int) (b: int) (c: int) =
    let rec minFlips' i mask a b c acc =
        if i = 0 then
            acc
        else
            let i' = i - 1
            let mask' = mask &lt;&lt;&lt; 1
            let a' = a &amp;&amp;&amp; mask &lt;&gt; 0
            let b' = b &amp;&amp;&amp; mask &lt;&gt; 0

            match c &amp;&amp;&amp; mask &lt;&gt; 0 with
            | true -&gt;
                match a', b' with
                | false, false -&gt; minFlips' i' mask' a b c (acc + 1)
                | _ -&gt; minFlips' i' mask' a b c acc
            | false -&gt;
                match a', b' with
                | true, false
                | false, true -&gt; minFlips' i' mask' a b c (acc + 1)
                | true, true -&gt; minFlips' i' mask' a b c (acc + 2)
                | _ -&gt; minFlips' i' mask' a b c acc

    minFlips' 32 1 a b c 0
</code></pre>


## URL

[Minimum Flips to Make a OR b Equal to c - LeetCode](https://leetcode.com/problems/minimum-flips-to-make-a-or-b-equal-to-c/description/)

## Code

[https://github.com/syohex/dotnet-study/tree/master/fsharp/leetcode/problems/1318/main.fsx](https://github.com/syohex/dotnet-study/tree/master/fsharp/leetcode/problems/1318/main.fsx)

```plaintext
let minFlips (a: int) (b: int) (c: int) =
    let rec minFlips' i mask a b c acc =
        if i = 0 then
            acc
        else
            let i' = i - 1
            let mask' = mask <<< 1
            let a' = a &&& mask <> 0
            let b' = b &&& mask <> 0

            match c &&& mask <> 0 with
            | true ->
                match a', b' with
                | false, false -> minFlips' i' mask' a b c (acc + 1)
                | _ -> minFlips' i' mask' a b c acc
            | false ->
                match a', b' with
                | true, false
                | false, true -> minFlips' i' mask' a b c (acc + 1)
                | true, true -> minFlips' i' mask' a b c (acc + 2)
                | _ -> minFlips' i' mask' a b c acc

    minFlips' 32 1 a b c 0
```

LeetCode 1318. Minimum Flips to Make a OR b Equal to c in F#

URL

Code