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.
Find the peak 3n+1 sequence value
Is it an Armstrong number?
subtract central cross
04 - Scalar Equations 1
07 - Common functions and indexing 5
Guess the Coefficients!
Project Euler: Problem 16, Sums of Digits of Powers of Two
Check to see if a Sudoku Puzzle is Solved
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