One way to reach '5' is by adding 5 + 0. In this case, the largest number in the group is '5', and the smallest is '0'. Therefore, the range is: 5 - 0 = 5.

you have [3, 2] in enum(5), 3 * 2 = 6, because of that prod(5) = [1, 2, 3, 4, 5, 6]

Sorry, there are no errors in the tests.

I don't understand. This website uses English. You may use a translator.

This is a problem with your code, not a kata issue. And please add markdown tags to format your code when posting. See there: https://docs.codewars.com/training/troubleshooting/

ахахахахах я тоже в афиге, с утра не могу решить, ибо сортировку нормально не понял

Please mind your language.

Thank you.

Are you sure there are no leading/trailing spaces in your returned value?

NOTE: Extra spaces before or after the code have no meaning and should be ignored.

Not a kata issue but problems of your code. Before posting issues please look at the top of the page to see how many people passed the kata in your language (1347 with C). If this number is high chances are that your code is wrong, sorry.

i've got 100% working code

"Working" != "correct". Not an issue.