can anyone give me a hint about this problem
I found the help for this problem to be a bit circular. In the end, there was a comment from one of the blog posts that mentioned looking at the undocumented mtree code (e.g. 'edit mtree' a the command line). It's a big class, but try looking for the nodesize method and go from there. I don't know if this is how actually how cody comes up with the score, but the number of nodes from mtree works as a solution here.
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Back to basics 21 - Matrix replicating
Solve the Sudoku Row
THE CALCULATOR OF LOVE
Square Digits Number Chain Terminal Value (Inspired by Project Euler Problem 92)
Parse me a Lisp
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