| 2247C | Inversion of a Subsequence | | | unrated | 10.9k |
| 2244B | Nikita and Books | | | unrated | 21.4k |
| 2244C | Stepan and Permutation | | | unrated | 15.6k |
| 2244D | Yaroslav and Productivity | | | unrated | 11.4k |
| 2244E | Masha and the Garland | | | unrated | 7.6k |
| 2242B | Predominant Frequency Division | | | 1000 | 16.1k |
| 2242E | Product of Closures | | | 2200 | 1.4k |
| 2241A | Divide and Conquer | | | 800 | 31.9k |
| 2241D | An Alternative Way | | | 1100 | 15.4k |
| 2241F | A Bit Odd | | | 1700 | 4.5k |
| 2241G | Summmon | | | 2400 | 831 |
| 2239A | Nim Game Is XOR Game | | | 1300 | 8.7k |
| 2239B | Decidophobia | | | 1500 | 6.6k |
| 2238A | Another Puzzle from Papyrus | | | 800 | 18.9k |
| 2238D | Storming Arasaka | | | 1500 | 7.2k |
| 2238F | Infinite Work | | | 2600 | 406 |
| 2237D | Fullmetal Bitchemist | | | 1500 | 6.2k |
| 2236A | Games on the Train | | | 800 | 33.9k |
| 2236B | Tatar TV Show | | | 800 | 27.9k |
| 2236C | Omsk Programmers | | | 1000 | 20.6k |
| 2232B | Cake Leveling | | | 900 | 20.6k |
| 2232C2 | Seating Arrangement (Hard Version) | | | 1500 | 8.5k |
| 2232F | The Cake Is a Lie | | | 3000 | 297 |
| 2231F | Quadratic Jumps | | | 2600 | 787 |
| 2230B | Digit String | | | 1000 | 17k |
| 2230E | Minimum Influence | | | 2100 | 1.5k |
| 2229A | Slimes on a Line | | | 800 | 18.4k |
| 2229B | Absolute Cinema | | | 800 | 18.2k |
| 2227F | It Just Keeps Going Sideways | | | 1700 | 4.4k |
| 2226A | Disturbing Distribution | | | 800 | 15.4k |
| 2226B | Everything Everywhere | | | 900 | 14.5k |
| 2226C | Mental Monumental (Easy Version) | | | 1500 | 8.1k |
| 2226D | Reserved Reversals | | | 1900 | 3.2k |
| 2226E | Mental Monumental (Hard Version) | | | 2300 | 1k |
| 2225A | A Number Between Two Others | | | 800 | 21.6k |
| 2224B | Zhily and Mex and Max | | | 1200 | 9k |
| 2219C | Coloring a Red Black Tree | | | 2300 | 1.4k |
| 2218B | The 67th 6-7 Integer Problem | | | 800 | 39.9k |
| 2218C | The 67th Permutation Problem | | | 800 | 30.8k |
| 2218D | The 67th OEIS Problem | | | 1100 | 21.6k |
| 2217D | Flip the Bit (Hard Version) | | | 1900 | 3.8k |
| 2217F | Interval Game | | | 2300 | 885 |
| 2215A | Interval Mod | | | 1700 | 3.7k |
| 2211B | Mickey Mouse Constructive | | | 1100 | 12.9k |
| 2211E | Minimum Path Cover | | | 2500 | 1k |
| 2210F | A Simple Problem | | | 2700 | 263 |
| 2208B | Cyclists | | | 1100 | 15k |
| 2208C | Stamina and Tasks | | | 1300 | 12.6k |
| 2204F | Sum of Fractions | | | 2200 | 1.3k |
| 2203B | Beautiful Numbers | | | 1000 | 16.2k |
| 2203C | Test Generator | | | 1500 | 7.9k |
| 2203E | Probabilistic Card Game | | | 2200 | 1.5k |
| 2200E | Divisive Battle | | | 1500 | 9.3k |
| 2199B | Two Towers | | | 1400 | 1.2k |
| 2195F | Parabola Independence | | | 2000 | 2.9k |
| 2194A | Lawn Mower | | | 800 | 25k |
| 2194B | Offshores | | | 1000 | 19.9k |
| 2192C | All-in-one Gun | | | 1300 | 12.1k |
| 2189B | The Curse of the Frog | | | 1200 | 16.2k |
| 2189D1 | Little String (Easy Version) | | | 1900 | 4.2k |
| 2189D2 | Little String (Hard Version) | | | 2200 | 2.1k |
| 2189E | Majority Wins? | | | 2600 | 882 |
| 2183C | War Strategy | | | 1500 | 11.2k |
| 2182D | Christmas Tree Decoration | | | 1600 | 9.4k |
| 2182F2 | Christmas Reindeer (hard version) | | | 2500 | 1.1k |
| 2181G | Greta's Game | | | 2400 | 679 |
| 2180D | Insolvable Disks | | | 1900 | 4.4k |
| 2180E | No Effect XOR | | | 2300 | 1.8k |
| 2179D | Blackslex and Penguin Civilization | | | 1300 | 14.1k |
| 2178D | Xmas or Hysteria | | | 1700 | 7k |
| 2176A | Operations with Inversions | | | 800 | 29.8k |
| 2173B | Niko's Tactical Cards | | | 1100 | 18.8k |
| 2173D | Taiga's Carry Chains | | | 1900 | 3.8k |
| 2172F | Cluster Computing System | | | 1600 | 4.2k |
| 2171G | Sakura Adachi and Optimal Sequences | | | 2000 | 2.4k |
| 2170A | Maximum Neighborhood | | | 800 | 20.6k |
| 2170B | Addition on a Segment | | | 1200 | 15.2k |
| 2169C | Range Operation | | | 1300 | 13.4k |
| 2169D2 | Removal of a Sequence (Hard Version) | | | 2100 | 2.4k |
| 2165C | Binary Wine | | | 2000 | 5k |
| 2163A | Souvlaki VS. Kalamaki | | | 800 | 20.1k |
| 2163B | Siga ta Kymata | | | 1700 | 9.5k |
| 2161A | Round Trip | | | 800 | 16k |
| 2160B | Distinct Elements | | | 1100 | 18.3k |
| 2159D1 | Inverse Minimum Partition (Easy Version) | | | 2500 | 1.7k |
| 2159D2 | Inverse Minimum Partition (Hard Version) | | | 3200 | 419 |
| 2158A | Suspension | | | 800 | 24k |
| 2158B | Split | | | 1200 | 14.7k |
| 2157C | Meximum Array 2 | | | 1400 | 10.9k |
| 2157D | Billion Players Game | | | 1600 | 7.4k |
| 2157G | Isaac's Queries | | | 2800 | 672 |
| 2156C | Maximum GCD on Whiteboard | | | 1400 | 12.8k |
| 2155E | Mimo & Yuyu | | | 2200 | 3.1k |
| 2154C1 | No Cost Too Great (Easy Version) | | | 1400 | 14.2k |
| 2154C2 | No Cost Too Great (Hard Version) | | | 2000 | 5.7k |
| 2152C | Triple Removal | | | 1400 | 13.9k |
| 2152D | Division Versus Addition | | | 1700 | 8.1k |
| 2152E | Monotone Subsequence | | | 2100 | 3.9k |
| 2151C | Incremental Stay | | | 1400 | 11k |
| 2148C | Pacer | | | 900 | 26.3k |