Found

problem — every listed problem · all sets

internal id
p-320fe7c2
appearances
thailand-national-2015 (thailand-national-2015) — D
held
not recorded yet
solve online
Baekjoon Online Judge (wayback) closed 2026-04-28 id 13380
data
problemsets/thailand-national-2015.yaml

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