| 2239F | Colorful Works | | | 3500 | 194 |
| 2203B | Beautiful Numbers | | | 1000 | 16.2k |
| 2194F2 | Again Trees... (hard version) | | | 3000 | 223 |
| 2174F | Mosaic Tree | | | 2800 | 508 |
| 2169F | Subsequence Problem | | | 2700 | 353 |
| 2145G | Cost of Coloring | | | 2900 | 642 |
| 2138C2 | Maple and Tree Beauty (Hard Version) | | | 2000 | 3.6k |
| 2096H | Wonderful XOR Problem | | | 3200 | 235 |
| 2077C | Binary Subsequence Value Sum | | | 2300 | 2.4k |
| 2070F | Friends and Pizza | | | 3000 | 379 |
| 2025E | Card Game | | | 2200 | 2.4k |
| 2021E1 | Digital Village (Easy Version) | | | 2300 | 2k |
| 1991H | Prime Split Game | | | 3300 | 580 |
| 1988F | Heartbeat | | | 3000 | 481 |
| 1967E1 | Again Counting Arrays (Easy Version) | | | 3100 | 449 |
| 1909I | Short Permutation Problem | | | 1900 | 183 |
| 1896H1 | Cyclic Hamming (Easy Version) | | | 3400 | 181 |
| 1896H2 | Cyclic Hamming (Hard Version) | | | 3500 | 164 |
| 1856E2 | PermuTree (hard version) | | | 2700 | 1.8k |
| 1845F | Swimmers in the Pool | | | 2800 | 475 |
| 1821F | Timber | | | 2600 | 1k |
| 1792F2 | Graph Coloring (hard version) | | | 2900 | 558 |
| 1773G | Game of Questions | | | 2800 | 560 |
| 1731F | Function Sum | | | 2500 | 924 |
| 1709F | Multiset of Strings | | | 2500 | 729 |
| 1704H1 | Game of AI (easy version) | | | 3200 | 346 |
| 1671F | Permutation Counting | | | 2700 | 514 |
| 1667E | Centroid Probabilities | | | 3000 | 938 |
| 1654H | Three Minimums | | | 3500 | 108 |
| 1574F | Occurrences | | | 2700 | 786 |
| 1559E | Mocha and Stars | | | 2200 | 2.8k |
| 1553I | Stairs | | | 3400 | 369 |
| 1548C | The Three Little Pigs | | | 2500 | 2.1k |
| 1542E1 | Abnormal Permutation Pairs (easy version) | | | 2400 | 1.5k |
| 1542E2 | Abnormal Permutation Pairs (hard version) | | | 2700 | 1.1k |
| 1487G | String Counting | | | 2700 | 745 |
| 1479E | School Clubs | | | 3500 | 432 |
| 1473G | Tiles | | | 2800 | 499 |
| 1439D | INOI Final Contests | | | 3100 | 564 |
| 1408G | Clusterization Counting | | | 2700 | 1.4k |
| 1349F1 | Slime and Sequences (Easy Version) | | | 3100 | 631 |
| 1349F2 | Slime and Sequences (Hard Version) | | | 3500 | 142 |
| 1286F | Harry The Potter | | | 3100 | 411 |
| 1119E | Pavel and Triangles | | | 1900 | 5.6k |
| 1096G | Lucky Tickets | | | 2400 | 2.1k |
| 981H | K Paths | | | 3100 | 453 |
| 960G | Bandit Blues | | | 2900 | 1.3k |
| 914G | Sum the Fibonacci | | | 2600 | 1.3k |
| 848E | Days of Floral Colours | | | 3400 | 283 |
| 773F | Test Data Generation | | | 3400 | 281 |
| 755G | PolandBall and Many Other Balls | | | 3200 | 1.1k |
| 662C | Binary Table | | | 2600 | 2.6k |
| 632E | Thief in a Shop | | | 2400 | 3.7k |
| 623E | Transforming Sequence | | | 3300 | 715 |
| 553E | Kyoya and Train | | | 3200 | 730 |
| 300D | Painting Square | | | 2300 | 874 |