Other than F#, all languages have hundreds of solutions. It's definitely not broken, you're just returning incorrect results.

Either way, you should provide more info, like: what you tried, or what inputs fail, otherwise... how can we read your mind?

For basic answers, you should visit: https://github.com/codewars/codewars.com/wiki/Troubleshooting-your-solution

Broken how? I cannot see how it's broken, things work for me fairly well.