| 2239F | Colorful Works | | | 3500 | 194 |
| 2223F | Zhily and Colorful Strings | | | 3400 | 107 |
| 2206F | Minesweeper String | | | 2400 | 479 |
| 2203B | Beautiful Numbers | | | 1000 | 16.2k |
| 2201E | ABBA Counting | | | 2900 | 300 |
| 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 |
| 2122G | Tree Parking | | | 3300 | 1.4k |
| 2096H | Wonderful XOR Problem | | | 3200 | 235 |
| 2095H | Blurry Vision | | | unrated | 851 |
| 2077C | Binary Subsequence Value Sum | | | 2300 | 2.4k |
| 2072F | Goodbye, Banker Life | | | 1700 | 8.7k |
| 2070F | Friends and Pizza | | | 3000 | 379 |
| 2048I2 | Kevin and Puzzle (Hard Version) | | | 3500 | 68 |
| 2038F | Alternative Platforms | | | 2500 | 492 |
| 2025E | Card Game | | | 2200 | 2.4k |
| 2021E1 | Digital Village (Easy Version) | | | 2300 | 2k |
| 1991H | Prime Split Game | | | 3300 | 580 |
| 1988F | Heartbeat | | | 3000 | 481 |
| 1975G | Zimpha Fan Club | | | 3000 | 349 |
| 1967E1 | Again Counting Arrays (Easy Version) | | | 3100 | 449 |
| 1936E | Yet Yet Another Permutation Problem | | | 3400 | 155 |
| 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 |
| 1770G | Koxia and Bracket | | | 3400 | 196 |
| 1731F | Function Sum | | | 2500 | 924 |
| 1726E | Almost Perfect | | | 2400 | 1.8k |
| 1709F | Multiset of Strings | | | 2500 | 729 |
| 1704G | Mio and Lucky Array | | | 3500 | 168 |
| 1704H1 | Game of AI (easy version) | | | 3200 | 346 |
| 1704H2 | Game of AI (hard version) | | | 3500 | 119 |
| 1687F | Koishi's Unconscious Permutation | | | 3500 | 113 |
| 1671F | Permutation Counting | | | 2700 | 514 |
| 1667E | Centroid Probabilities | | | 3000 | 938 |
| 1654H | Three Minimums | | | 3500 | 108 |
| 1644F | Basis | | | 2900 | 511 |
| 1641E | Special Positions | | | 3300 | 365 |
| 1613F | Tree Coloring | | | 2600 | 906 |
| 1608D | Dominoes | | | 2400 | 1.6k |
| 1580F | Problems for Codeforces | | | 3300 | 226 |
| 1575C | Cyclic Sum | | | 3000 | 290 |
| 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 |
| 1536F | Omkar and Akmar | | | 2600 | 1.2k |
| 1528F | AmShZ Farm | | | 3300 | 526 |
| 1488J | Flower Shop | | | 3100 | 43 |
| 1487G | String Counting | | | 2700 | 745 |
| 1479E | School Clubs | | | 3500 | 432 |
| 1477F | Nezzar and Chocolate Bars | | | 3500 | 369 |
| 1473G | Tiles | | | 2800 | 499 |
| 1450H1 | Multithreading (Easy Version) | | | 2900 | 625 |
| 1439D | INOI Final Contests | | | 3100 | 564 |
| 1438C | Engineer Artem | | | 2000 | 11.8k |
| 1408G | Clusterization Counting | | | 2700 | 1.4k |
| 1398G | Running Competition | | | 2600 | 1.3k |
| 1392I | Kevin and Grid | | | 3300 | 320 |
| 1349F1 | Slime and Sequences (Easy Version) | | | 3100 | 631 |
| 1349F2 | Slime and Sequences (Hard Version) | | | 3500 | 142 |
| 1342E | Placing Rooks | | | 2300 | 3.7k |
| 1334G | Substring Search | | | 2900 | 468 |
| 1286F | Harry The Potter | | | 3100 | 411 |
| 1270I | Xor on Figures | | | 3500 | 391 |
| 1257G | Divisor Set | | | 2600 | 798 |
| 1251F | Red-White Fence | | | 2500 | 1.1k |
| 1218D | Xor Spanning Tree | | | 2400 | 619 |
| 1218E | Product Tuples | | | 2500 | 530 |
| 1184A3 | Heidi Learns Hashing (Hard) | | | 3100 | 171 |
| 1119E | Pavel and Triangles | | | 1900 | 5.6k |
| 1119H | Triple | | | 3200 | 952 |
| 1103E | Radix sum | | | 3400 | 387 |
| 1096G | Lucky Tickets | | | 2400 | 2.1k |
| 1054H | Epic Convolution | | | 3500 | 319 |
| 1036E | Covered Points | | | 2400 | 1.8k |
| 1033F | Boolean Computer | | | 2800 | 500 |
| 1010F | Tree | | | 3400 | 385 |
| 993E | Nikita and Order Statistics | | | 2300 | 1.9k |
| 986D | Perfect Encoding | | | 3100 | 376 |
| 981H | K Paths | | | 3100 | 453 |
| 960G | Bandit Blues | | | 2900 | 1.3k |
| 958F3 | Lightsabers (hard) | | | 2600 | 987 |
| 954I | Yet Another String Matching Problem | | | 2200 | 1.4k |
| 923E | Perpetual Subtraction | | | 3100 | 627 |
| 914G | Sum the Fibonacci | | | 2600 | 1.3k |
| 901E | Cyclic Cipher | | | 3300 | 106 |
| 850E | Random Elections | | | 2800 | 570 |
| 848E | Days of Floral Colours | | | 3400 | 283 |
| 827E | Rusty String | | | 2700 | 1.3k |