QOJ.ac
QOJ
Category: ROI 2021
| Category | #(Cont.) | #(Prob.) | |
|---|---|---|---|
| All-Russian Olympiad in Informatics 2021 Day 1 (ROI 2021 Day 1) | A B C D | 4 | |
| All-Russian Olympiad in Informatics 2021 Day 2 (ROI 2021 Day 2) | A B C D | 4 |
Региональный этап
| Category | #(Cont.) | #(Prob.) | |
|---|---|---|---|
| ROI Regional 2021 Day 1 | A B C D | 4 | |
| ROI Regional 2021 Day 2 | A B C D | 4 |