Armstrong numbers exercise should be unlocked after completing Freelancer Rates (Numbers lesson) or split in two versions

Hi, I solved the exercise by using the right type, but only 2 of us completed it successfully over 1733 submissions.

It makes use of an advanced concept (BigInt) which is explained in Freelancer Rates.

I think that it should be unlocked after the completion of the lesson which tells what the type is or, even better we could split the exercise in two versions:

  • Introduce a simpler one named Armstrong numbers which unlocks with the Basics lessons (tests all the cases that don’t require the use of the BigInt type)
  • Rename the actual one in Big Armstrong numbers and unlock it with the Numbers lesson (tests all the cases of the current exercise)

Armstrong (not the legacy one) has a 71% completion rate with about 4,600 people starting it and 3,300 completions.

Armstrong is a practice exercise so we have strong motivation not to make changes to it that are Javascript specific and/or significantly change the exercise.

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