If you want to add more tests: https://oeis.org/A006884 and https://oeis.org/A006885 contain the relevant sequences.
Why the leading solution size is 0 ? Is it for everyone or just me
@Tanzil Parvez (Emon): the hack solutions (hopefully all) have been deleted from this problem.
How would I speed this up?
If I input nmax = 2^60, my program cannot finish.
This solution will fail for nmax = 2; so I had to swap the order of two lines. See Solution 1088355.
wrong, corrected in soln 329062
Clever pattern, but still gaming the system. This is not the absolute highest Collatz peak as you go to infinity. Yuval, you should be ashamed of submitting this without apologies.
This really doesn't solve the problem it's just gaming the results.
Ooooooh this is evil.
Calculate the Levenshtein distance between two strings
Given an unsigned integer x, find the largest y by rearranging the bits in x
give nth decimal place of pi
Count up then down
Matlab Basics - Rounding III
Return the largest number that is adjacent to a zero
Find relatively common elements in matrix rows
Longest Divisor Run
Make a Palindrome Number
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