Four-Coloring

problem — every listed problem · all sets

internal id
p-c679fb71
appearances
japan-2018 (japan-2018) — H
held
not recorded yet
solve online
Baekjoon Online Judge (wayback) closed 2026-04-28 id 16746
Aizu Online Judge (AOJ) id 1396
Codeforces Gym id 102082/H
data
problemsets/japan-2018.yaml

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