2 questions
- C problem (878), which is more difficult than the previous E problem (734).
- I didn’t think it was that difficult, so after submitting the C, I started solving the D without checking the results.
- D is “clearly recognizable as TLE even at hand”.
- With 2 minutes left, I looked at my browser and said, “It’s obviously a TLE, but I’ll submit it,” and then C timed out, and I was out.
ABC172C ABC172D ABC172E ABC172F
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