Virtual contest · solo
Educational Codeforces Round 189 (Rated for Div. 2)
7 problems · duration 2:00:00
Hit Start contest to begin the countdown. Problems below open in a new tab when you click them — close the tab when you're finished with a problem. Click ✓ next to a problem when you AC'd it on cf-mirror or CF.
| Idx | Name | Rating | Status |
|---|---|---|---|
| A | A Number Between Two Others | 800 | |
| B | Alternating String | 900 | |
| C | Red-Black Pairs | 1100 | |
| D | Exceptional Segments | 1500 | |
| E | Covering Points with Circles | 2200 | |
| F | String Cutting | 2600 | |
| G | Simple Problem | 2900 |