Preorder Traversals
problem — every listed problem · all sets
- internal id
- p-fa4c5b92
- appearances
- ncna-2014 (ncna-2014) — B
- held
- not recorded yet
- solve online
- Baekjoon Online Judge (wayback) closed 2026-04-28 id 10441
- data
- problemsets/ncna-2014.yaml
St statement · D test data · IV/OV input/output validator · So solutions · P complete package — filled = held.