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• JS random tests rewritten

Haskell translation

Write a function named isNice/IsNice that returns true if its array argument is a Nice array, else false. An empty array is not considered nice.

How about you read the description till then end :)

Lua translation!

Elementary

Groovy Translation

Lua translation !

I wish the feedback from the error message was clearer, as it's not clear on which exact example the code fails.

([2, 2],  0) False should equal True```

I thought that the condition says about non-empty subsequences, both "in the center" and on the edges. Wierd.

Me neither, understanding the description is a challenge in itself often times.

Thanks!

I really don't see the difference between "every sequence" and "all sequences", but I'm not an english native speaker.

Then your code returned 0 instead of 1, the format is:

expected +0 to equal 1 < This is the expected answer
          ^          
   This is your answer     

Yes. But when I clicked "Attempt", I've got this result - for array : [3,0,0,0,0,6,9] : expected +0 to equal 1