The idea behind my solution is that in the optimal path you don't enter any vertex after the first time it can be entered + n. I wonder if there is a proof that this works correctly or way to disprove it, but I'm having trouble finding either. If anyone is interested, please help.
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Can anybody please hack/prove my solution to Round 1038 Problem D?
Revision en1, by k1r1t0, 2025-07-20 00:46:47
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