Know your Aliens
problem — every listed problem · all sets
- internal id
- p-367837f7
- appearances
- mexico-2019 (mexico-2019) — K
- held
- not recorded yet
- solve online
- Baekjoon Online Judge (wayback) closed 2026-04-28 id 18039
Codeforces Gym id 102428/K - data
- problemsets/mexico-2019.yaml
St statement · D test data · IV/OV input/output validator · So solutions · P complete package — filled = held.