Virtual contest · solo
Hello 2022
9 problems · duration 2:15:00
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 | Stable Arrangement of Rooks | 800 | |
| B | Integers Shop | 1500 | |
| C | Hidden Permutations | 1700 | |
| D | The Winter Hike | 2100 | |
| E | New School | 2300 | |
| F | Strange Instructions | 2700 | |
| G | Weighted Increasing Subsequences | 3200 | |
| H | Trains and Airplanes | 3500 | |
| I | Two Sequences | 3500 |