Islands and Bridges

problem — every listed problem · all sets

internal id
p-1be71591
appearances
shanghai-2004 (shanghai-2004) — I
held
not recorded yet
solve online
Baekjoon Online Judge (wayback) closed 2026-04-28 id 6275
data
problemsets/shanghai-2004.yaml

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