Hacking a tester (and 500 people) | Codeforces Round 726 - All Solutions (A-F) + Screencast (32nd)
Автор: Colin Galen
Загружено: 2021-06-18
Просмотров: 17849
Contest link: https://codeforces.com/contest/1537
My submissions: https://codeforces.com/submissions/ga...
Interesting round... at least in terms of hacks. The unexpected verdict was nothing to do with the model, it was a tester's solution (which was supposed to be correct on Polygon, but failed) that caused the verdict.
Any "wrong answer on test 93" on E2 is my test, which justifies the title (and sorry if that made you fail, but blame the preparation, not me).
I think I'll have to turn audio boosting down a bit, it seems to be reaching my laptop's limit (and therefore degrading to the same quality as the old mic)
Timestamps:
Intro 00:00
A (solving) 00:35
B (solving) 02:43
C (solving) 09:35
D (solving) 15:20
E1 (solving) 29:32
F (solving) 47:49
E2 (solving) 1:02:59
Fixing E2 1:27:26
Hacking E2/intermission 1:33:11
A (solution) 2:03:04
B (solution) 2:07:09
C (solution) 2:13:45
D (solution) 2:20:28
E1 (solution) 2:29:32
E2 (solution) 2:34:27
F (solution) 2:48:35
Staring at system tests 3:01:28
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