Virtual contest · solo
think-cell Round 1
10 problems · duration 3:00:00
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 | Maximise The Score | 800 | |
| B | Permutation Printing | 1000 | |
| C | Lexicographically Largest | 1700 | |
| D1 | Sum over all Substrings (Easy Version) | 1800 | |
| D2 | Sum over all Substrings (Hard Version) | 2100 | |
| E | 2..3...4.... Wonderful! Wonderful! | 2400 | |
| F | Maximize the Difference | 2700 | |
| G | Prefix Max Set Counting | 3100 | |
| H | Interactive Mex Tree | 3300 | |
| I | Counting Is Fun | 3500 |