3 ms·

I don't think I had a satisfying solution to any of the puzzles in 3 hours. In the most extreme case, I saw some people spend a couple of weeks solving the two-

• dmbaggett 15y ago
  Two-time pad was considerably harder, I think, than average. What about the ASCII maze one? I always thought that one was pretty accessible.
  • jsnell 15y ago
    Ah, fair enough, there must have been some simpler ones there as well. It just was not the kind of thing I would have hacked on for fun :-) I was thinking more of all the cool search problems like Strawberry Fields, Traversing the T or Palindromic Pangram, where coming up with some solution is easy, a naive exhaustive search for the optimal solution was not feasible, and where verifying the validity of any heuristics / pruning was not necessarily trivial.