Fountains

problem — every listed problem · all sets

internal id
p-5cd4bbcd
appearances
shanghai-2020 (shanghai-2020) — F
held
not recorded yet
solve online
NowCoder 牛客竞赛 (Niúkè, 'cow guest') id 214901
Luogu 洛谷 (Luògǔ) id P9824
data
problemsets/shanghai-2020.yaml

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