Too bad this problem number has a '5' in it! :-)
Ha Ha! six is the new 5!
Any suggestions on my brute force method?
sorry, I added a couple of test cases to discourage this sort of solutions
vectorization in N
Make a random, non-repeating vector.
Change the sign of even index entries of the reversed vector
yet another flying fly (YAFF)
One track five lanes
singularity 2.0 (really hard)
fly fly away
the fly, the train, the second train, and their Zeno's paradox
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