Virtual contest · solo
XVIII Open Olympiad in Informatics - Final Stage, Day 2 (Unrated, Online Mirror, IOI rules)
4 problems · duration 5:00:00
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 | Parallel Universes | — | |
| B | Three Arrays | — | |
| C | Burenka and Pether | — | |
| D | Almost Certainly | — |