The Difference

problem — every listed problem · all sets

internal id
p-69d4f0e2
appearances
urumqi-2017 (urumqi-2017) — B
held
not recorded yet
solve online
Luogu 洛谷 (Luògǔ) id P17260
data
problemsets/urumqi-2017.yaml

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