Please try to solve a harder version "Problem 44448. Project Euler: Problem 14 Longest Collatz sequence"
Who Has the Most Change?
Matrix indexing with two vectors of indices
Largest Twin Primes
Divisible by 3
Find files with extension ext in the current directory
Without the French accent please!
BLOCK x3 (Version 3)
Rank of magic square (for beginners)
Numbers spiral diagonals (Part 1)
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