| 2200C | Specialty String | | | 900 | 24.2k |
| 2200D | Portal | | | 1300 | 13.4k |
| 2200E | Divisive Battle | | | 1500 | 9.3k |
| 2200F | Mooclear Reactor 2 | | | 1900 | 3.2k |
| 2200G | Operation Permutation | | | 2200 | 1.2k |
| 2200H | Six Seven | | | 2600 | 528 |
| 2199A | Game | | | 1000 | 1.7k |
| 2199B | Two Towers | | | 1400 | 1.2k |
| 2199C | Minesweeper | | | 1600 | 524 |
| 2199D | Two Arrays | | | 1800 | 324 |
| 2199E | Supersequence | | | 2100 | 190 |
| 2199F | Self-Produced Sequences | | | 2000 | 172 |
| 2199G | Jammer | | | 2500 | 65 |
| 2199H | Sum of MEX | | | 2300 | 100 |
| 2199I | Strange Process | | | 3000 | 39 |
| 2197A | Friendly Numbers | | | 800 | 23.9k |
| 2197B | Array and Permutation | | | 1100 | 16.9k |
| 2196A | Game with a Fraction | | | 1200 | 17.3k |
| 2196B | Another Problem about Beautiful Pairs | | | 1600 | 9.3k |
| 2196C1 | Interactive Graph (Simple Version) | | | 1800 | 3.9k |
| 2196C2 | Interactive Graph (Hard Version) | | | 2000 | 2.7k |
| 2196D | Double Bracket Sequence | | | 2500 | 1.1k |
| 2196E1 | Fuzzy Concatenation (Easy Version) | | | 2900 | 311 |
| 2196E2 | Fuzzy Concatenation (Hard version) | | | 3000 | 238 |
| 2196F | Indivisible | | | 3300 | 118 |
| 2195A | Sieve of Erato67henes | | | 800 | 37.7k |
| 2195B | Heapify 1 | | | 900 | 26.6k |
| 2195C | Dice Roll Sequence | | | 1100 | 22k |
| 2195D | Absolute Cinema | | | 1300 | 14.8k |
| 2195E | Idiot First Search | | | 1500 | 9.4k |
| 2195F | Parabola Independence | | | 2000 | 2.9k |
| 2195G | Idiot First Search and Queries | | | 2300 | 1.2k |
| 2195H | Codeforces Heuristic Contest 001 | | | 2400 | 509 |
| 2194A | Lawn Mower | | | 800 | 25k |
| 2194B | Offshores | | | 1000 | 19.9k |
| 2194C | Secret message | | | 1300 | 11.6k |
| 2194D | Table Cut | | | 1600 | 8.6k |
| 2194E | The Turtle Strikes Back | | | 2000 | 2.8k |
| 2194F1 | Again Trees... (Easy Version) | | | 2300 | 967 |
| 2194F2 | Again Trees... (hard version) | | | 3000 | 223 |
| 2193A | DBMB and the Array | | | 800 | 44.3k |
| 2193B | Reverse a Permutation | | | 800 | 31.3k |
| 2193C | Replace and Sum | | | 1000 | 30.3k |
| 2193D | Monster Game | | | 1100 | 22.8k |
| 2193E | Product Queries | | | 1300 | 16.2k |
| 2193F | Pizza Delivery | | | 1600 | 9.2k |
| 2193G | Paths in a Tree | | | 2100 | 2.4k |
| 2193H | Remove the Grail Tree | | | 2400 | 1.1k |
| 2192A | String Rotation Game | | | 800 | 18.9k |
| 2192B | Flipping Binary String | | | 1000 | 15.9k |
| 2192C | All-in-one Gun | | | 1300 | 12.1k |
| 2192D | Cost of Tree | | | 1800 | 3.9k |
| 2192E | Swap to Rearrange | | | 2100 | 2.3k |
| 2192F | Fish Fight | | | 2900 | 195 |
| 2191A | Array Coloring | | | 800 | 28.7k |
| 2191B | MEX Reordering | | | 1000 | 20.9k |
| 2190A | Sorting Game | | | 1200 | 18.2k |
| 2190B1 | Sub-RBS (Easy Version) | | | 1400 | 11.5k |
| 2190B2 | Sub-RBS (Hard Version) | | | 1900 | 3.4k |
| 2190C | Comparable Permutations | | | 2300 | 1.4k |
| 2190D | Prufer Vertex | | | 2500 | 1k |
| 2190E | Median Permutation | | | 3200 | 261 |
| 2190F | Xor Product | | | 3300 | 100 |
| 2190G | Maximize Determinant | | | 3300 | 105 |
| 2189A | Table with Numbers | | | 800 | 25k |
| 2189B | The Curse of the Frog | | | 1200 | 16.2k |
| 2189C1 | XOR Convenience (Easy Version) | | | 1300 | 14.7k |
| 2189C2 | XOR-convenience (Hard Version) | | | 1800 | 6.5k |
| 2189D1 | Little String (Easy Version) | | | 1900 | 4.2k |
| 2189D2 | Little String (Hard Version) | | | 2200 | 2.1k |
| 2189E | Majority Wins? | | | 2600 | 882 |
| 2189F | Zhora the Vacuum Cleaner | | | 2800 | 254 |
| 2188A | Divisible Permutation | | | 800 | 26.7k |
| 2188B | Seats | | | 1000 | 22.2k |
| 2187A | Restricted Sorting | | | 1300 | 16.7k |
| 2187B | Shortest Statement Ever | | | 1800 | 5.6k |
| 2187C | Jerry and Tom | | | 2300 | 1.5k |
| 2187D | Cool Problem | | | 2600 | 707 |
| 2187E | Doors and Keys | | | 3500 | 356 |
| 2187F1 | Al Fine (Maximizing Version) | | | 3100 | 256 |
| 2187F2 | Al Fine (Counting Version) | | | 3500 | 88 |
| 2187G | Many Cartesian Trees | | | 3500 | 110 |
| 2185A | Perfect Root | | | 800 | 45.6k |
| 2185B | Prefix Max | | | 800 | 43k |
| 2185C | Shifted MEX | | | 900 | 30.6k |
| 2185D | OutOfMemoryError | | | 1100 | 21.9k |
| 2185E | The Robotic Rush | | | 1500 | 11k |
| 2185F | BattleCows | | | 1700 | 5.5k |
| 2185G | Mixing MEXes | | | 1800 | 3.7k |
| 2185H | BattleCows 2 | | | 2500 | 752 |
| 2184A | Social Experiment | | | 800 | 39.7k |
| 2184B | Hourglass | | | 1100 | 25.3k |
| 2184C | Huge Pile | | | 1100 | 23k |
| 2184D | Unfair Game | | | 1600 | 10.1k |
| 2184E | Exquisite Array | | | 1800 | 6.2k |
| 2184F | Cherry Tree | | | 1900 | 4.2k |
| 2184G | Nastiness of Segments | | | 1900 | 3.2k |
| 2183A | Binary Array Game | | | 800 | 24.2k |
| 2183B | Yet Another MEX Problem | | | 1100 | 16.7k |
| 2183C | War Strategy | | | 1500 | 11.2k |