What a dumpster fire of a contest.
What went well
- I got B quickly.
- I didn't know how to solve A, so came up with a horribly convoluted solution with lots of cases. This and weak testing resulted in an incorrect submission, but I realized my mistake after the Wrong Answer verdict and patched my solution.
- C was evil because it had ample opportunity for off-by-one errors, one of which killed my solution.
- My attempt at implementing D yielded a giant pile of spaghetti, which was unsurprisingly wrong.
- E is definitely doable in 20min start to finish, but my combinatorics skills isn't strong enough for me to write down the recurrence after reading the problem.
- What luck?!
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