| 1237F | Balanced Domino Placements | | | 2600 | 1.2k |
| 1228E | Another Filling the Grid | | | 2300 | 3.6k |
| 1221G | Graph And Numbers | | | 2900 | 988 |
| 1215B | The Number of Products | | | 1400 | 19.4k |
| 1204E | Natasha, Sasha and the Prefix Sums | | | 2300 | 2.2k |
| 1197E | Culture Code | | | 2300 | 1.9k |
| 1194F | Crossword Expert | | | 2400 | 1.3k |
| 1185G1 | Playlist for Polycarp (easy version) | | | 2100 | 3.3k |
| 1185G2 | Playlist for Polycarp (hard version) | | | 2600 | 979 |
| 1181C | Flag | | | 1900 | 3.4k |
| 1178F1 | Short Colorful Strip | | | 2200 | 2.3k |
| 1174E | Ehab and the Expected GCD Problem | | | 2500 | 1.8k |
| 1172B | Nauuo and Circle | | | 1900 | 4.4k |
| 1153F | Serval and Bonus Problem | | | 2600 | 1k |
| 1151E | Number of Components | | | 2100 | 3.8k |
| 1151F | Sonya and Informatics | | | 2300 | 1.5k |
| 1140E | Palindrome-less Arrays | | | 2200 | 2.1k |
| 1118F2 | Tree Cutting (Hard Version) | | | 2700 | 688 |
| 1111D | Destroy the Colony | | | 2600 | 1.2k |
| 1109D | Sasha and Interesting Fact from Graph Theory | | | 2400 | 1.5k |
| 1105C | Ayoub and Lost Array | | | 1500 | 11.6k |
| 1097G | Vladislav and a Great Legend | | | 3000 | 1.2k |
| 1096E | The Top Scorer | | | 2500 | 1.4k |
| 1091D | New Year and the Permutation Concatenation | | | 1700 | 7.5k |
| 1085G | Beautiful Matrix | | | 2900 | 1k |
| 1084C | The Fair Nut and String | | | 1500 | 12.4k |
| 1081C | Colorful Bricks | | | 1500 | 8.8k |
| 1073E | Segment Sum | | | 2300 | 3.8k |
| 1060F | Shrinking Tree | | | 2900 | 822 |
| 1043F | Make It One | | | 2500 | 3.1k |
| 1036C | Classy Numbers | | | 1900 | 14.2k |
| 1034C | Region Separation | | | 2700 | 1.1k |
| 1027E | Inverse Coloring | | | 2100 | 2.4k |
| 1000D | Yet Another Problem On a Subsequence | | | 1900 | 5.2k |
| 997B | Roman Digits | | | 2000 | 3.2k |
| 995F | Cowmpany Cowmpensation | | | 2700 | 1.8k |
| 981H | K Paths | | | 3100 | 453 |
| 960E | Alternating Tree | | | 2300 | 2.4k |
| 960G | Bandit Blues | | | 2900 | 1.3k |
| 954H | Path Counting | | | 2500 | 827 |
| 946F | Fibonacci String Subsequences | | | 2400 | 672 |
| 932E | Team Work | | | 2400 | 3.6k |
| 917C | Pollywog | | | 2900 | 480 |
| 914C | Travelling Salesman and Special Numbers | | | 1800 | 4.3k |
| 914H | Ember and Storm's Tree Game | | | 3400 | 322 |
| 908E | New Year and Entity Enumeration | | | 2500 | 871 |
| 900D | Unusual Sequences | | | 2000 | 3.9k |
| 895C | Square Subsets | | | 2000 | 7.6k |
| 893E | Counting Arrays | | | 2000 | 4.3k |
| 888D | Almost Identity Permutations | | | 1600 | 10.8k |
| 886E | Maximum Element | | | 2400 | 1.3k |
| 878E | Numbers on the blackboard | | | 3300 | 767 |
| 869C | The Intriguing Obsession | | | 1800 | 5.3k |
| 856C | Eleventh Birthday | | | 2400 | 752 |
| 848D | Shake It! | | | 2900 | 484 |
| 848E | Days of Floral Colours | | | 3400 | 283 |
| 840C | On the Bench | | | 2500 | 2.2k |
| 839D | Winter is here | | | 2200 | 3.7k |
| 830D | Singer House | | | 2800 | 1k |
| 814E | An unavoidable detour for home | | | 2600 | 848 |
| 809C | Find a car | | | 2600 | 954 |
| 804F | Fake bullions | | | 3400 | 221 |
| 794G | Replace All | | | 3400 | 496 |
| 785D | Anton and School - 2 | | | 2300 | 3.9k |
| 776G | Sherlock and the Encrypted Data | | | 2900 | 410 |
| 773F | Test Data Generation | | | 3400 | 281 |
| 757E | Bash Plays with Functions | | | 2500 | 1.6k |
| 756D | Bacterial Melee | | | 2400 | 1.2k |
| 756E | Byteland coins | | | 3200 | 315 |
| 755G | PolandBall and Many Other Balls | | | 3200 | 1.1k |
| 750G | New Year and Binary Tree Paths | | | 3200 | 617 |
| 747F | Igor and Interesting Numbers | | | 2500 | 521 |
| 724F | Uniformly Branched Trees | | | 2700 | 561 |
| 722E | Research Rover | | | 2900 | 1.1k |
| 712D | Memory and Scores | | | 2200 | 2k |
| 696C | PLEASE | | | 2000 | 2.3k |
| 689E | Mike and Geometry Problem | | | 2000 | 2.3k |
| 685A | Robbers' watch | | | 1700 | 4.5k |
| 659G | Fence Divercity | | | 2300 | 1.3k |
| 629E | Famil Door and Roads | | | 2300 | 1.2k |
| 626D | Jerry's Protest | | | 1800 | 3.2k |
| 623E | Transforming Sequence | | | 3300 | 715 |
| 577B | Modulo Sum | | | 1900 | 15.6k |
| 575H | Bots | | | 1800 | 1.9k |
| 570E | Pig and Palindromes | | | 2300 | 2.2k |
| 568B | Symmetric and Transitive | | | 1900 | 2.4k |
| 559C | Gerald and Giant Chess | | | 2200 | 8.3k |
| 553A | Kyoya and Colored Balls | | | 1500 | 10.1k |
| 547C | Mike and Foam | | | 2300 | 3.5k |
| 520E | Pluses everywhere | | | 2200 | 2.1k |
| 518D | Ilya and Escalator | | | 1700 | 8.4k |
| 518F | Pasha and Pipe | | | 2300 | 442 |
| 506E | Mr. Kitayuta's Gift | | | 3000 | 1k |
| 489F | Special Matrices | | | 2100 | 2k |
| 482D | Random Function and Tree | | | 2700 | 646 |
| 479E | Riding in a Lift | | | 1900 | 5.7k |
| 476B | Dreamoon and WiFi | | | 1300 | 38k |
| 466D | Increase Sequence | | | 2100 | 3.9k |
| 449D | Jzzhu and Numbers | | | 2400 | 6.4k |
| 439E | Devu and Birthday Celebration | | | 2100 | 1.9k |