Do you think there’s any trick to rule it out or at least make it very hard? Eg the judge comes in and says a constraint like no using the number 3 for digits 50 thru 100
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That particular rule doesn't do anything - if you get a 3 just ignore the result and move on to the next character. A much bigger problem is that I don't think there is any encryption algorithm that is doable without at least some help like pen & paper, and isn't also trivially breakable.
aug 24, 2025, 6:39 pm • 0 0 • view
But maybe there is one if you don't care about mistakes? Normally mistakes during encryption would make decryption impossible, but here that isn't a problem, assuming your mistakes are random enough. Probably depends on how good that 24 hour adversarial stage is.
aug 24, 2025, 6:39 pm • 0 0 • view
I think encrypting stuff manually is already the biggest challenge you'll face. I suspect the main roadblock would be getting it done in less than an hour but you could probably manage it with practice.
aug 24, 2025, 6:58 pm • 0 0 • view