Changed ssize_t to int everywhere.

Why ssize_t if 0 < n < 1e6 and it has nothing to do with size?

Approved

Which language? Help us help you!

Have you followed the Troubleshooting guide? How sure are you the kata is the problem and not your code? How many submitted solves are there in your language?

Why does it have random tests in Example tests, but not in Submit?

You just misread the description, what part of [numbers] will fight with their bits from their binary representation is confusing to you? And did you read the link I provided above about raising issues? Apparently not, I advice you to do it.

If you don't know then don't raise an issue. Please provide language and clear examples before doing this, and read this: https://docs.codewars.com/training/troubleshooting/