Keep it covered

problem — every listed problem · all sets

internal id
p-04b93c73
appearances
south-america-south-2017 (south-america-south-2017) — K
held
not recorded yet
solve online
Baekjoon Online Judge (wayback) closed 2026-04-28 id 15062
data
problemsets/south-america-south-2017.yaml

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