Beer Coasters

problem — every listed problem · all sets

internal id
p-274c1b32
appearances
ctuo-2019 (ctuo-2019) — C
held
not recorded yet
solve online
Baekjoon Online Judge (wayback) closed 2026-04-28 id 17809
Codeforces Gym id 104784/C
data
problemsets/ctuo-2019.yaml

St statement · D test data · IV/OV input/output validator · So solutions · P complete package — filled = held.