Yuuki and a problem

problem — every listed problem · all sets

internal id
p-30688069
appearances
xuzhou-2019 (xuzhou-2019) — H
held
not recorded yet
solve online
Luogu 洛谷 (Luògǔ) id P17738
data
problemsets/xuzhou-2019.yaml

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