What went well
- The contest was at 9am local time, so I had a good 2.5 hours to wake up.
- I was ill with a cold (laryngitis?!)
- My solution to E died to a silent index out of bounds!!! Time to switch to vector<T>::at() instead of vector<T>::operator[]?!
- I did not think of a working solution for C during the contest, but did so after the contest (and doing the obvious greedy solution worked and was easy to prove correct…) The junk that I submitted managed to pass system tests, but eventually got exposed by the serial hacker, who hacked over 20 C submissions!
- I got my first 1 minute submission!!
- C was such a massacre that I managed to gain elo despite solving only 3 problems! Back to blue again!
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