| 2234D | XOR, Expression and Two Binary Numbers | | | 1500 | 8.6k |
| 2230F | Game on Growing Tree | | | 2700 | 510 |
| 2228F | Momoyo and the Network | | | 2700 | 337 |
| 2211F | Learning Binary Search | | | 2400 | 1k |
| 2207C | Where's My Water? | | | 1600 | 6.4k |
| 2205D | Simons and Beating Peaks | | | 1700 | 5.6k |
| 2203F | Binary Search with One Swap | | | 2600 | 457 |
| 2180E | No Effect XOR | | | 2300 | 1.8k |
| 2157G | Isaac's Queries | | | 2800 | 672 |
| 2145F | Long Journey | | | 2500 | 1.1k |
| 2145G | Cost of Coloring | | | 2900 | 642 |
| 2125F | Timofey and Docker | | | 3000 | 448 |
| 2122D | Traffic Lights | | | 2400 | 2.8k |
| 2077E | Another Folding Strip | | | 2700 | 627 |
| 2070F | Friends and Pizza | | | 3000 | 379 |
| 2065H | Bro Thinks He's Him | | | 2200 | 2k |
| 2061I | Kevin and Nivek | | | 3500 | 133 |
| 2056D | Unique Median | | | 2200 | 3.7k |
| 2053C | Bewitching Stargazer | | | 1500 | 12.6k |
| 2048F | Kevin and Math Class | | | 2500 | 1.3k |
| 2041J | Bottle Arrangement | | | 2700 | 273 |
| 2035G2 | Go Learn! (Hard Version) | | | 3500 | 114 |
| 2026F | Bermart Ice Cream | | | 2700 | 413 |
| 2003E1 | Turtle and Inversions (Easy Version) | | | 2600 | 902 |
| 2003E2 | Turtle and Inversions (Hard Version) | | | 2700 | 654 |
| 1990F | Polygonal Segments | | | 2800 | 464 |
| 1987G1 | Spinning Round (Easy Version) | | | 2900 | 361 |
| 1987G2 | Spinning Round (Hard Version) | | | 3500 | 255 |
| 1982E | Number of k-good subarrays | | | 2300 | 1.9k |
| 1975F | Set | | | 2600 | 1.1k |
| 1969E | Unique Array | | | 2400 | 1.9k |
| 1956D | Nene and the Mex Operator | | | 2000 | 4.9k |
| 1930D2 | Sum over all Substrings (Hard Version) | | | 2100 | 3.1k |
| 1921G | Mischievous Shooter | | | 2200 | 1.5k |
| 1916G | Optimizations From Chelsu | | | 3500 | 239 |
| 1913D | Array Collapse | | | 2100 | 4.3k |
| 1903D2 | Maximum And Queries (hard version) | | | 2500 | 1.1k |
| 1896H1 | Cyclic Hamming (Easy Version) | | | 3400 | 181 |
| 1879D | Sum of XOR Functions | | | 1700 | 11.1k |
| 1874D | Jellyfish and Miku | | | 2800 | 984 |
| 1849E | Max to the Right of Min | | | 2300 | 2.3k |
| 1848F | Vika and Wiki | | | 2400 | 2.1k |
| 1843F2 | Omsk Metro (hard version) | | | 2300 | 2.2k |
| 1842I | Tenzing and Necklace | | | 3500 | 174 |
| 1808E1 | Minibuses on Venus (easy version) | | | 2200 | 1.6k |
| 1808E2 | Minibuses on Venus (medium version) | | | 2500 | 892 |
| 1794D | Counting Factorizations | | | 1900 | 4.6k |
| 1792F2 | Graph Coloring (hard version) | | | 2900 | 558 |
| 1766E | Decomposition | | | 2300 | 1.5k |
| 1750E | Bracket Cost | | | 2400 | 1.7k |
| 1748E | Yet Another Array Counting Problem | | | 2300 | 2.8k |
| 1740I | Arranging Crystal Balls | | | 3500 | 182 |
| 1734F | Zeros and Ones | | | 2500 | 1k |
| 1716E | Swap and Maximum Block | | | 2500 | 1.4k |
| 1715E | Long Way Home | | | 2400 | 2.4k |
| 1693D | Decinc Dividing | | | 2800 | 1.2k |
| 1681F | Unique Occurrences | | | 2300 | 2.4k |
| 1671E | Preorder | | | 2100 | 3.3k |
| 1654H | Three Minimums | | | 3500 | 108 |
| 1648D | Serious Business | | | 2800 | 1.1k |
| 1625E1 | Cats on the Upgrade (easy version) | | | 2500 | 1.2k |
| 1616H | Keep XOR Low | | | 3000 | 1.4k |
| 1603D | Artistic Partition | | | 3000 | 959 |
| 1601C | Optimal Insertion | | | 2300 | 2.4k |
| 1580D | Subsequence | | | 2900 | 1.2k |
| 1575L | Longest Array Deconstruction | | | 2100 | 1.8k |
| 1553I | Stairs | | | 3400 | 369 |
| 1550F | Jumping Around | | | 2700 | 958 |
| 1528A | Parsa's Humongous Tree | | | 1600 | 19.8k |
| 1527E | Partition Game | | | 2500 | 3.1k |
| 1482E | Skyline Photo | | | 2100 | 3.9k |
| 1446C | Xor Tree | | | 2100 | 4.2k |
| 1442D | Sum | | | 2800 | 3k |
| 1428F | Fruit Sequences | | | 2400 | 2.6k |
| 1425B | Blue and Red of Our Faculty! | | | 2600 | 380 |
| 1420C2 | Pokémon Army (hard version) | | | 2100 | 5.3k |
| 1416C | XOR Inverse | | | 2000 | 5.2k |
| 1400E | Clear the Multiset | | | 2200 | 6.5k |
| 1385D | a-Good String | | | 1500 | 22.3k |
| 1379E | Inverse Genealogy | | | 2800 | 538 |
| 1373D | Maximum Sum on Even Positions | | | 1600 | 18.1k |
| 1285D | Dr. Evil Underscores | | | 1900 | 8.7k |
| 1223F | Stack Exterminable Arrays | | | 2600 | 2.3k |
| 1175E | Minimal Segment Cover | | | 2200 | 4.7k |
| 1175G | Yet Another Partiton Problem | | | 3000 | 859 |
| 1156D | 0-1-Tree | | | 2200 | 4.9k |
| 1155D | Beautiful Array | | | 1900 | 7.9k |
| 1140E | Palindrome-less Arrays | | | 2200 | 2.1k |
| 1096G | Lucky Tickets | | | 2400 | 2.1k |
| 1041F | Ray in the tube | | | 2500 | 1.7k |
| 990G | GCD Counting | | | 2400 | 2.4k |
| 981E | Addition on Segments | | | 2200 | 2.6k |
| 960E | Alternating Tree | | | 2300 | 2.4k |
| 914G | Sum the Fibonacci | | | 2600 | 1.3k |
| 868F | Yet Another Minimization Problem | | | 2500 | 5.4k |
| 848E | Days of Floral Colours | | | 3400 | 283 |
| 833B | The Bakery | | | 2200 | 6.8k |
| 809C | Find a car | | | 2600 | 954 |
| 793F | Julia the snail | | | 3000 | 848 |
| 773F | Test Data Generation | | | 3400 | 281 |