Function!

problem — every listed problem · all sets

internal id
p-60c056e4
appearances
yinchuan-2019 (yinchuan-2019) — F
held
not recorded yet
solve online
Luogu 洛谷 (Luògǔ) id P17637
data
problemsets/yinchuan-2019.yaml

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