Deduplicate - build a tree pattern

[hobovsky]

From #39

1. Build Tower

• 6kyu
• Output is array of strings
• Satisfaction 91% with ~65k completions
• 1 pending issue about being a duplicate of 2.
• 18 languages, 1 pending translation
• Published Jun 2016, author inactive

2. Christmas tree

• 6kyu
• Output is a string of floors separated by newlines
• Satisfaction 92% with ~4k completions
• No pending issues
• 7 languages + 4 pending translations. Only Swift pending translation not covered by 1.
• Published Nov 2013, author deleted

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Conclusion

• Keep 1. Build Tower.
• Retire 2. Christmas tree.

Filling gaps

• Move Swift pending translation form 2. to 1.

[hobovsky]

The array of lines in 1. seems to be not the best output format, but it has many more languages. I do not have a strong preference which one to keep, but keeping 1. and retiring 2. would be cheaper .

[hobovsky]

Moved Swift translation.