Ducks in a Row

problem — every listed problem · all sets

internal id
p-09937c6f
appearances
seusa-2017 (seusa-2017) — A
held
not recorded yet
solve online
ICPC Live Archive id 8215
Baekjoon Online Judge (wayback) closed 2026-04-28 id 15123
data
problemsets/seusa-2017.yaml

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