korea-2021
problem set — all sets · holdings by contest
- set id
- korea-2021
- used by
- korea-2021
- provenance
- Baekjoon ICPC category tree via Wayback (2026-11-02); site closed 2026-04-28; online-judge pages (2026-11-02, tools/mine_judge_links.py)
- data
- problemsets/korea-2021.yaml
Problems (12)
| # | problem | internal id | held | solve online | notes |
|---|---|---|---|---|---|
| A | Ant Colonies | p-1573dfb0 | — | Baekjoon Online Judge (wayback) closed 2026-04-28 | |
| B | Double Rainbow | p-4f31b0b6 | — | Baekjoon Online Judge (wayback) closed 2026-04-28 | |
| C | Find the House | p-bafcb349 | — | Baekjoon Online Judge (wayback) closed 2026-04-28 | |
| D | Friendship Graphs | p-4510408e | — | Baekjoon Online Judge (wayback) closed 2026-04-28 | |
| E | Grid Triangle | p-95165542 | — | Baekjoon Online Judge (wayback) closed 2026-04-28 | |
| F | John’s Gift | p-78d5eac6 | — | Baekjoon Online Judge (wayback) closed 2026-04-28 | |
| G | Logistical Warehouse 2 | p-0f573dd3 | — | Baekjoon Online Judge (wayback) closed 2026-04-28 | |
| H | Postman | p-b0921f23 | — | Baekjoon Online Judge (wayback) closed 2026-04-28 | |
| I | Security System | p-d5bf1ff6 | — | Baekjoon Online Judge (wayback) closed 2026-04-28 | |
| J | Squid Game | p-8039833b | — | Baekjoon Online Judge (wayback) closed 2026-04-28 | |
| K | Stock Price Prediction | p-f25c9e0b | — | Baekjoon Online Judge (wayback) closed 2026-04-28 | |
| L | Trio | p-4900768c | — | Baekjoon Online Judge (wayback) closed 2026-04-28 |
St statement · D test data · IV/OV input/output validator · So solutions · P complete package — filled = held.