north-russia-2009
problem set — all sets · holdings by contest
- set id
- north-russia-2009
- used by
- north-russia-2009
- provenance
- Baekjoon ICPC category tree via Wayback (2026-11-02); site closed 2026-04-28
- data
- problemsets/north-russia-2009.yaml
Only the holdings are recorded for this set; no per-problem list yet.