You are free to print during tests, in that sense they are not hidden.

Well you don't need break after return and the () in the ternary operator

The best way to find out is to run the code in your IDE and debug it locally, step by step.

https://github.com/codewars/codewars.com/wiki/Troubleshooting-your-solution#how-do-i-post-to-a-kata-discourse

• it's not formatted
• it's not marked as spoiler
• it's buggy, it does not work for this example: { 1, 1, 11, 2, 3 } => 6