| 2238F | Infinite Work | | | 2600 | 406 |
| 2237E | Permutation Commutation | | | 2000 | 2k |
| 2225G | Simple Problem | | | 2900 | 269 |
| 2223D | Zhily and Cycle | | | 2800 | 359 |
| 2217E | Definitely Larger | | | 2000 | 2.5k |
| 2208D1 | Tree Orientation (Easy Version) | | | 1800 | 4.8k |
| 2208D2 | Tree Orientation (Hard Version) | | | 2200 | 2.1k |
| 2207F | Hanabi | | | 2900 | 315 |
| 2195F | Parabola Independence | | | 2000 | 2.9k |
| 2194E | The Turtle Strikes Back | | | 2000 | 2.8k |
| 2193H | Remove the Grail Tree | | | 2400 | 1.1k |
| 2192E | Swap to Rearrange | | | 2100 | 2.3k |
| 2187C | Jerry and Tom | | | 2300 | 1.5k |
| 2181G | Greta's Game | | | 2400 | 679 |
| 2172F | Cluster Computing System | | | 1600 | 4.2k |
| 2164E | Journey | | | 2300 | 3.6k |
| 2156E | Best Time to Buy and Sell Stock | | | 2500 | 1k |
| 2152E | Monotone Subsequence | | | 2100 | 3.9k |
| 2145F | Long Journey | | | 2500 | 1.1k |
| 2143C | Max Tree | | | 1300 | 14.9k |
| 2131D | Arboris Contractio | | | 1400 | 14.9k |
| 2131H | Sea, You & copriMe | | | 2600 | 909 |
| 2129A | Double Perspective | | | 1300 | 18.3k |
| 2128F | Strict Triangle | | | 3200 | 403 |
| 2127H | 23 Rises Again | | | 3100 | 1.9k |
| 2122D | Traffic Lights | | | 2400 | 2.8k |
| 2120G | Eulerian Line Graph | | | 3000 | 113 |
| 2117G | Omg Graph | | | 1900 | 5.4k |
| 2115B | Gellyfish and Camellia Japonica | | | 2100 | 5k |
| 2112F | Variables and Operations | | | 2800 | 663 |
| 2110D | Fewer Batteries | | | 1700 | 8.8k |
| 2109D | D/D/D | | | 1900 | 5.8k |
| 2108C | Neo's Escape | | | 1500 | 15.1k |
| 2108E | Spruce Dispute | | | 2600 | 922 |
| 2091G | Gleb and Boating | | | 2300 | 1.6k |
| 2086C | Disappearing Permutation | | | 1300 | 16.6k |
| 2081D | MST in Modulo Graph | | | 2600 | 1.2k |
| 2078B | Vicious Labyrinth | | | 1100 | 18.6k |
| 2068A | Condorcet Elections | | | 2300 | 1k |
| 2066A | Object Identification | | | 1400 | 7.4k |
| 2065F | Skibidus and Slay | | | 1700 | 7.3k |
| 2063C | Remove Exactly Two | | | 1600 | 15.1k |
| 2062D | Balanced Tree | | | 2200 | 3.6k |
| 2062E1 | The Game (Easy Version) | | | 2000 | 4.4k |
| 2062F | Traveling Salescat | | | 2900 | 633 |
| 2060E | Graph Composition | | | 1500 | 12.7k |
| 2059D | Graph and Graph | | | 1900 | 6.7k |
| 2053E | Resourceful Caterpillar Sequence | | | 1900 | 4.6k |
| 2053I2 | Affectionate Arrays (Hard Version) | | | 3500 | 110 |
| 2048E | Kevin and Bipartite Graph | | | 2000 | 3.6k |
| 2043E | Matrix Transformation | | | 2300 | 1.9k |
| 2040E | Control of Randomness | | | 2100 | 2.8k |
| 2033E | Sakurako, Kosuke, and the Permutation | | | 1400 | 14.5k |
| 2032D | Genokraken | | | 1800 | 6.3k |
| 2029D | Cool Graph | | | 1900 | 4k |
| 2029F | Palindrome Everywhere | | | 2500 | 866 |
| 2029I | Variance Challenge | | | 3400 | 170 |
| 2028D | Alice's Adventures in Cards | | | 2000 | 3.8k |
| 2027C | Add Zeros | | | 1500 | 14.1k |
| 2027D1 | The Endspeaker (Easy Version) | | | 1700 | 7.1k |
| 2025F | Choose Your Queries | | | 2700 | 1.1k |
| 2023C | C+K+S | | | 2400 | 1.4k |
| 2021E1 | Digital Village (Easy Version) | | | 2300 | 2k |
| 2021E3 | Digital Village (Extreme Version) | | | 2800 | 725 |
| 2011H | Strange Matrix | | | unrated | 58 |
| 2006A | Iris and Game on the Tree | | | 1700 | 9.8k |
| 2004D | Colored Portals | | | 1600 | 13.5k |
| 2003D2 | Turtle and a MEX Problem (Hard Version) | | | 2100 | 4.7k |
| 2000G | Call During the Journey | | | 2100 | 3.2k |
| 1998D | Determine Winning Islands in Race | | | 2100 | 4.2k |
| 1996G | Penacony | | | 2200 | 2.4k |
| 1994D | Funny Game | | | 1900 | 7.7k |
| 1991D | Prime XOR Coloring | | | 1900 | 8k |
| 1991E | Coloring Game | | | 1900 | 5.2k |
| 1981E | Turtle and Intersected Segments | | | 2600 | 1.3k |
| 1980G | Yasya and the Mysterious Tree | | | 2300 | 1.8k |
| 1968D | Permutation Game | | | 1300 | 17.7k |
| 1951I | Growing Trees | | | 3200 | 118 |
| 1949G | Scooter | | | 2300 | 1.1k |
| 1948E | Clique Partition | | | 2100 | 3.6k |
| 1944A | Destroying Bridges | | | 800 | 29.3k |
| 1936C | Pokémon Arena | | | 2400 | 1.8k |
| 1929E | Sasha and the Happy Tree Cutting | | | 2300 | 2.1k |
| 1928E | Modular Sequence | | | 2300 | 2.3k |
| 1927F | Microcycle | | | 1900 | 5.6k |
| 1926G | Vlad and Trouble at MIT | | | 1900 | 4.7k |
| 1918F | Caterpillar on a Tree | | | 2500 | 1.2k |
| 1916F | Group Division | | | 2900 | 756 |
| 1915G | Bicycles | | | 1800 | 10.3k |
| 1907G | Lights | | | 2200 | 2.4k |
| 1901E | Compressed Tree | | | 2200 | 2k |
| 1899F | Alex's whims | | | 1600 | 9.7k |
| 1895E | Infinite Card Game | | | 2300 | 1.9k |
| 1876C | Autosynthesis | | | 2100 | 2.8k |
| 1874C | Jellyfish and EVA | | | 2300 | 2.2k |
| 1870H | Standard Graph Problem | | | 3500 | 127 |
| 1868B1 | Candy Party (Easy Version) | | | 1700 | 8.4k |
| 1868D | Flower-like Pseudotree | | | 3000 | 418 |
| 1867D | Cyclic Operations | | | 1800 | 6.9k |
| 1864I | Future Dominators | | | 3500 | 110 |