Which is most important? Having 6 bins, or being within 840 and 900 inclusive (allowing 4 or 5 bins)?
This brings up a few couple solutions:
- Optimum solution: a minimum of ceil(scalar(@a) / 6) bins if possible - potentially exhaustive search - minimizing the empty slots across all bins
- "Easy" solution: add items to bucket until 840 <= sum(@bucket) <= 900 and 4 <= scalar(@bucket) <= 6
There may be a couple of other interpretations of this as well, but I think that these are the two that make sense, with the first, as I read it, being the most likely expensive.
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