Crystalfly

problem — every listed problem · all sets

internal id
p-bcb4bccc
uuid
8796b664-ba8a-452e-9e51-e28dfb72a142
appearances
nanjing-2021 (nanjing-2021) — H
held
not recorded yet
solve online
Luogu 洛谷 (Luògǔ) id P9847
Codeforces Gym id 103470/H
data
problemsets/nanjing-2021.yaml

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