| 2249A | Rank Subsequence | | | unrated | 7k |
| 2247C | Inversion of a Subsequence | | | unrated | 10.9k |
| 2247D1 | XOR Sorting (Easy Version) | | | unrated | 5.5k |
| 2247D2 | XOR Sorting (Hard Version) | | | unrated | 1.9k |
| 2246D | diss_quack and Array Game | | | unrated | 2.8k |
| 2245A | Who Watches the Watchpig? | | | unrated | 12.2k |
| 2245B | Delete and Concatenate | | | unrated | 9.3k |
| 2244A | Iskander and Drawings | | | unrated | 26.5k |
| 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 |
| 2244F | Anya Loves Trees! | | | unrated | 3.5k |
| 2242B | Predominant Frequency Division | | | 1000 | 16.1k |
| 2242E | Product of Closures | | | 2200 | 1.4k |
| 2241A | Divide and Conquer | | | 800 | 31.9k |
| 2241C | RemovevomeR | | | 1000 | 20.2k |
| 2241D | An Alternative Way | | | 1100 | 15.4k |
| 2241F | A Bit Odd | | | 1700 | 4.5k |
| 2241G | Summmon | | | 2400 | 831 |
| 2240A | Another Popcount Problem | | | 800 | 16.1k |
| 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 |
| 2238E | Cake Trial | | | 2000 | 1.8k |
| 2238F | Infinite Work | | | 2600 | 406 |
| 2237A | Destroying Towers | | | 800 | 21.3k |
| 2237B | Annoying the Ghost | | | 1000 | 14.5k |
| 2237C | Duck Surplus | | | 1000 | 15.2k |
| 2237D | Fullmetal Bitchemist | | | 1500 | 6.2k |
| 2237E | Permutation Commutation | | | 2000 | 2k |
| 2237F | Paint the Array | | | 2400 | 908 |
| 2237H | Slime and Queries | | | 3500 | 124 |
| 2236A | Games on the Train | | | 800 | 33.9k |
| 2236B | Tatar TV Show | | | 800 | 27.9k |
| 2236C | Omsk Programmers | | | 1000 | 20.6k |
| 2234C | Vessels, Heights and Two Versions (Easy Version) | | | 1200 | 12k |
| 2234F | Vessels, Heights and Two Versions (Hard Version) | | | 1900 | 2.3k |
| 2233C | Cost of a Bracket Sequence | | | 1400 | 9.3k |
| 2232A | Convergence | | | 800 | 23.1k |
| 2232B | Cake Leveling | | | 900 | 20.6k |
| 2232C1 | Seating Arrangement (Easy Version) | | | 1300 | 11.9k |
| 2232C2 | Seating Arrangement (Hard Version) | | | 1500 | 8.5k |
| 2232D | Magical Tiered Cake | | | 2000 | 2.7k |
| 2232F | The Cake Is a Lie | | | 3000 | 297 |
| 2231D | Maximum Prefix Sums | | | 1900 | 3.7k |
| 2231F | Quadratic Jumps | | | 2600 | 787 |
| 2230B | Digit String | | | 1000 | 17k |
| 2230D | Good Schedule | | | 1700 | 5.2k |
| 2230E | Minimum Influence | | | 2100 | 1.5k |
| 2229A | Slimes on a Line | | | 800 | 18.4k |
| 2229B | Absolute Cinema | | | 800 | 18.2k |
| 2229C1 | We Be Flipping (Easy Version) | | | 900 | 15.6k |
| 2229C2 | We Be Flipping (Hard Version) | | | 1400 | 8.6k |
| 2229D | Me When Median Problem | | | 1700 | 5.2k |
| 2229F | Load Unbalancing | | | 2400 | 1.1k |
| 2229G | Roadworks | | | 2900 | 345 |
| 2228A | Marisa Steals Reimu's Takeout | | | 800 | 21.6k |
| 2228C1 | Cirno and Number (Easy Version) | | | 1500 | 8k |
| 2228C2 | Cirno and Number (Hard Version) | | | 1600 | 6.1k |
| 2227B | Party Monster | | | 800 | 27.6k |
| 2227D | Palindromex | | | 1200 | 13.9k |
| 2227E | It All Went Sideways | | | 1400 | 9.7k |
| 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 |
| 2225B | Alternating String | | | 900 | 17.2k |
| 2225C | Red-Black Pairs | | | 1100 | 14k |
| 2225F | String Cutting | | | 2600 | 762 |
| 2225G | Simple Problem | | | 2900 | 269 |
| 2224A | Zhily and Array Operating | | | 800 | 11.8k |
| 2224B | Zhily and Mex and Max | | | 1200 | 9k |
| 2223A | Zhily and Bracket Swapping | | | 1300 | 7.8k |
| 2223D | Zhily and Cycle | | | 2800 | 359 |
| 2222B | Artistic Balance Tree | | | 1100 | 8.9k |
| 2220A | Blocked | | | 800 | 21k |
| 2220B | OIE Excursion | | | 1200 | 14.6k |
| 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 |
| 2217B | Flip the Bit (Easy Version) | | | 1000 | 18.4k |
| 2217D | Flip the Bit (Hard Version) | | | 1900 | 3.8k |
| 2217E | Definitely Larger | | | 2000 | 2.5k |
| 2217F | Interval Game | | | 2300 | 885 |
| 2216A | Course Wishes | | | 900 | 6.1k |
| 2216B | THU Packing Puzzle | | | 1300 | 5.2k |
| 2215A | Interval Mod | | | 1700 | 3.7k |
| 2215D | EXPloration, EXPloitation, and Gain Some EXPerience! | | | 2800 | 162 |
| 2215E | Star Map | | | 2700 | 217 |
| 2211B | Mickey Mouse Constructive | | | 1100 | 12.9k |
| 2211C1 | Equal Multisets (Easy Version) | | | 1300 | 10.4k |
| 2211C2 | Equal Multisets (Hard Version) | | | 1800 | 4.2k |
| 2211E | Minimum Path Cover | | | 2500 | 1k |
| 2211G | Rational Bubble Sort | | | 2900 | 332 |