| 2249B | Permutation Cuts | | | unrated | 2.9k |
| 2246C | 0mar and Alternating Sums | | | unrated | 7.9k |
| 2241E | Fair and Square | | | 1600 | 5.8k |
| 2240B | AI Finds Nothing Here | | | 1100 | 10.5k |
| 2239D | Hunting the Beast | | | 2500 | 601 |
| 2238F | Infinite Work | | | 2600 | 406 |
| 2236F2 | Elections in Saransk (hard version) | | | 2200 | 958 |
| 2234E | Vlad, Misha and Two Arrays | | | 2100 | 1.9k |
| 2228E1 | Amanojaku and Sequence (Easy Version) | | | 2400 | 612 |
| 2228E2 | Amanojaku and Sequence (Hard Version) | | | 2500 | 307 |
| 2217F | Interval Game | | | 2300 | 885 |
| 2217G | Down the Pivot | | | 2600 | 444 |
| 2211D | AND-array | | | 1900 | 3.2k |
| 2211F | Learning Binary Search | | | 2400 | 1k |
| 2207E2 | N-MEX (Counting Version) | | | 2400 | 964 |
| 2206I | Growth Factor | | | 2900 | 226 |
| 2205E | Simons and Dividing the Rhythm | | | 2100 | 1.8k |
| 2204F | Sum of Fractions | | | 2200 | 1.3k |
| 2200G | Operation Permutation | | | 2200 | 1.2k |
| 2199F | Self-Produced Sequences | | | 2000 | 172 |
| 2199H | Sum of MEX | | | 2300 | 100 |
| 2189D1 | Little String (Easy Version) | | | 1900 | 4.2k |
| 2189D2 | Little String (Hard Version) | | | 2200 | 2.1k |
| 2184D | Unfair Game | | | 1600 | 10.1k |
| 2182D | Christmas Tree Decoration | | | 1600 | 9.4k |
| 2182F1 | Christmas Reindeer (easy version) | | | 2300 | 1.3k |
| 2182F2 | Christmas Reindeer (hard version) | | | 2500 | 1.1k |
| 2180G | Balance | | | 3500 | 154 |
| 2178F | Conquer or of Forest | | | 2200 | 1.9k |
| 2176F | Omega Numbers | | | 2400 | 1.6k |
| 2174C1 | Beautiful Patterns (Easy Version) | | | 2400 | 1.2k |
| 2174C2 | Beautiful Patterns (Hard Version) | | | 2500 | 1.1k |
| 2174F | Mosaic Tree | | | 2800 | 508 |
| 2171G | Sakura Adachi and Optimal Sequences | | | 2000 | 2.4k |
| 2169F | Subsequence Problem | | | 2700 | 353 |
| 2164F1 | Chain Prefix Rank (Easy Version) | | | 2600 | 1.3k |
| 2164F2 | Chain Prefix Rank (Hard Version) | | | 2900 | 648 |
| 2163C | Monopati | | | 1500 | 9.6k |
| 2161E | Left is Always Right | | | 2400 | 803 |
| 2159C | Twin Polynomials | | | 2300 | 2.7k |
| 2158F2 | Distinct GCDs (Hard Version) | | | 3000 | 287 |
| 2157H | Keygen 3 | | | 3200 | 238 |
| 2154F1 | Bombing (Easy Version) | | | 2700 | 594 |
| 2150B | Grid Counting | | | 1700 | 7.5k |
| 2150D | Attraction Theory | | | 2700 | 1k |
| 2147G | Modular Tetration | | | 3100 | 799 |
| 2145G | Cost of Coloring | | | 2900 | 642 |
| 2144C | Non-Descending Arrays | | | 1300 | 15.7k |
| 2138D | Antiamuny and Slider Movement | | | 2600 | 682 |
| 2135C | By the Assignment | | | 2000 | 5.4k |
| 2135E1 | Beyond the Palindrome (Easy Version) | | | 3300 | 808 |
| 2135E2 | Beyond the Palindrome (Hard Version) | | | 3500 | 188 |
| 2134F | Permutation Oddness | | | 2900 | 708 |
| 2129D | Permutation Blackhole | | | 2600 | 2.5k |
| 2128D | Sum of LDS | | | 1600 | 12.9k |
| 2127F | Hamed and AghaBalaSar | | | 2800 | 2.1k |
| 2125C | Count Good Numbers | | | 1100 | 23.3k |
| 2125E | Sets of Complementary Sums | | | 2500 | 1.4k |
| 2122E | Greedy Grid Counting | | | 2600 | 2.1k |
| 2122G | Tree Parking | | | 3300 | 1.4k |
| 2120D | Matrix game | | | 1800 | 5.9k |
| 2119D | Token Removing | | | 2100 | 3.6k |
| 2115C | Gellyfish and Eternal Violet | | | 2700 | 1.5k |
| 2112E | Tree Colorings | | | 2200 | 3.5k |
| 2108A | Permutation Warm-Up | | | 800 | 22.3k |
| 2097B | Baggage Claim | | | 2300 | 2k |
| 2096D | Wonderful Lightbulbs | | | 2000 | 5.7k |
| 2096H | Wonderful XOR Problem | | | 3200 | 235 |
| 2092E | She knows... | | | 2100 | 3.9k |
| 2086D | Even String | | | 1700 | 8.6k |
| 2084E | Blossom | | | 2400 | 1.8k |
| 2077C | Binary Subsequence Value Sum | | | 2300 | 2.4k |
| 2077E | Another Folding Strip | | | 2700 | 627 |
| 2075C | Two Colors | | | 1500 | 14.8k |
| 2075E | XOR Matrix | | | 2500 | 1.2k |
| 2072F | Goodbye, Banker Life | | | 1700 | 8.7k |
| 2072G | I've Been Flipping Numbers for 300 Years and Calculated the Sum | | | 2200 | 2.2k |
| 2066C | Bitwise Slides | | | 2300 | 2.6k |
| 2066D1 | Club of Young Aircraft Builders (easy version) | | | 2400 | 1.5k |
| 2066D2 | Club of Young Aircraft Builders (hard version) | | | 2900 | 658 |
| 2065G | Skibidus and Capping | | | 1700 | 6.5k |
| 2065H | Bro Thinks He's Him | | | 2200 | 2k |
| 2064E | Mycraft Sand Sort | | | 2400 | 1.5k |
| 2063F1 | Counting Is Not Fun (Easy Version) | | | 2400 | 1.6k |
| 2056E | Nested Segments | | | 2500 | 1.1k |
| 2056F1 | Xor of Median (Easy Version) | | | 2700 | 455 |
| 2056F2 | Xor of Median (Hard Version) | | | 3000 | 362 |
| 2048G | Kevin and Matrices | | | 2800 | 761 |
| 2041H | Sheet Music | | | 2300 | 1.1k |
| 2040C | Ordered Permutations | | | 1600 | 11k |
| 2040E | Control of Randomness | | | 2100 | 2.8k |
| 2040F | Number of Cubes | | | 2700 | 469 |
| 2039E | Shohag Loves Inversions | | | 2200 | 2.4k |
| 2039F1 | Shohag Loves Counting (Easy Version) | | | 2800 | 527 |
| 2038F | Alternative Platforms | | | 2500 | 492 |
| 2037G | Natlan Exploring | | | 2000 | 3.9k |
| 2034E | Permutations Harmony | | | 2200 | 2.1k |
| 2034F1 | Khayyam's Royal Decree (Easy Version) | | | 2500 | 910 |
| 2034F2 | Khayyam's Royal Decree (Hard Version) | | | 2800 | 610 |
| 2032F | Peanuts | | | 2700 | 501 |