출처

  2. Japanese Olympiad in Informatics
  3. Spring Training Camp/Qualifying Trial
  4. 2020/2021
  5. Day 4
#문제ID내 점수제목해결한 사람 수
1JOI21_event2
0 / 100
Event Hopping 2 Batch 140
2JOI21_navigation2
0 / 100
Navigation 2 Interactive Communication 21
3JOI21_worst_reporter4
0 / 100
Worst Reporter 4 Batch 89