The Agency

problem — every listed problem · all sets

internal id
p-e950e70b
appearances
ecna-2011 (ecna-2011) — A
held
not recorded yet
solve online
Baekjoon Online Judge (wayback) closed 2026-04-28 id 4027
Codeforces Gym id 100190/A
data
problemsets/ecna-2011.yaml

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