| 1846E1 | Rudolf and Snowflakes (simple version) | | | 1300 | 26.7k |
| 1846E2 | Rudolf and Snowflakes (hard version) | | | 1800 | 8.7k |
| 1845A | Forbidden Integer | | | 800 | 51.2k |
| 1845B | Come Together | | | 900 | 24k |
| 1845D | Rating System | | | 1800 | 9.2k |
| 1845E | Boxes and Balls | | | 2500 | 1.7k |
| 1845F | Swimmers in the Pool | | | 2800 | 475 |
| 1844B | Permutations & Primes | | | 1000 | 20.4k |
| 1844C | Particles | | | 1300 | 18.1k |
| 1844D | Row Major | | | 1400 | 14k |
| 1844F1 | Min Cost Permutation (Easy Version) | | | 2600 | 937 |
| 1844F2 | Min Cost Permutation (Hard Version) | | | 2800 | 507 |
| 1844G | Tree Weights | | | 3000 | 1.2k |
| 1844H | Multiple of Three Cycles | | | 3400 | 305 |
| 1843B | Long Long | | | 800 | 32.5k |
| 1843C | Sum in Binary Tree | | | 800 | 40.3k |
| 1843D | Apple Tree | | | 1200 | 22.3k |
| 1843F1 | Omsk Metro (simple version) | | | 1800 | 6.5k |
| 1843F2 | Omsk Metro (hard version) | | | 2300 | 2.2k |
| 1842A | Tenzing and Tsondu | | | 800 | 20.9k |
| 1842B | Tenzing and Books | | | 1100 | 27.2k |
| 1842E | Tenzing and Triangle | | | 2300 | 1.9k |
| 1842G | Tenzing and Random Operations | | | 2800 | 1.7k |
| 1842H | Tenzing and Random Real Numbers | | | 3000 | 1.1k |
| 1841C | Ranom Numbers | | | 1800 | 9.2k |
| 1841E | Fill the Matrix | | | 2200 | 2.5k |
| 1840B | Binary Cafe | | | 1100 | 25k |
| 1840C | Ski Resort | | | 1000 | 51k |
| 1840G1 | In Search of Truth (Easy Version) | | | 2200 | 2.9k |
| 1840G2 | In Search of Truth (Hard Version) | | | 2500 | 1.2k |
| 1839A | The Good Array | | | 800 | 18.4k |
| 1838A | Blackboard List | | | 800 | 22.8k |
| 1838B | Minimize Permutation Subarrays | | | 1100 | 17.9k |
| 1838C | No Prime Differences | | | 1400 | 17.6k |
| 1838E | Count Supersequences | | | 2500 | 1.9k |
| 1837A | Grasshopper on a Line | | | 800 | 58.5k |
| 1836B | Astrophysicists | | | 1100 | 13.7k |
| 1835A | k-th equality | | | 1700 | 8.8k |
| 1835B | Lottery | | | 2500 | 1.1k |
| 1835C | Twin Clusters | | | 2600 | 1.2k |
| 1835D | Doctor's Brown Hypothesis | | | 2900 | 707 |
| 1834A | Unit Array | | | 800 | 49.3k |
| 1834B | Maximum Strength | | | 1000 | 17.3k |
| 1834C | Game with Reversing | | | 1200 | 15.3k |
| 1834E | MEX of LCM | | | 2300 | 2.9k |
| 1834F | Typewriter | | | 2500 | 713 |
| 1833C | Vlad Building Beautiful Array | | | 800 | 28.1k |
| 1833F | Ira and Flamenco | | | 1700 | 10.6k |
| 1832D1 | Red-Blue Operations (Easy Version) | | | 2100 | 3.5k |
| 1832D2 | Red-Blue Operations (Hard Version) | | | 2400 | 2.4k |
| 1830B | The BOSS Can Count Pairs | | | 2000 | 6k |
| 1830C | Hyperregular Bracket Strings | | | 2400 | 2.3k |
| 1830E | Bully Sort | | | 3500 | 349 |
| 1829F | Forever Winter | | | 1300 | 22.4k |
| 1829G | Hits Different | | | 1600 | 15.9k |
| 1829H | Don't Blame Me | | | 1700 | 11.3k |
| 1828A | Divisible Array | | | 800 | 25.5k |
| 1828B | Permutation Swap | | | 900 | 42.1k |
| 1827A | Counting Orders | | | 1100 | 30.6k |
| 1826B | Lunatic Never Content | | | 1100 | 30k |
| 1826C | Dreaming of Freedom | | | 1300 | 15.9k |
| 1826F | Fading into Fog | | | 2800 | 478 |
| 1825B | LuoTianyi and the Table | | | 1000 | 16.3k |
| 1824B1 | LuoTianyi and the Floating Islands (Easy Version) | | | 1800 | 6.3k |
| 1824B2 | LuoTianyi and the Floating Islands (Hard Version) | | | 2300 | 3.6k |
| 1823A | A-characteristic | | | 800 | 17.3k |
| 1823B | Sort with Step | | | 900 | 18.3k |
| 1823C | Strongly Composite | | | 1300 | 14k |
| 1823D | Unique Palindromes | | | 1900 | 4.4k |
| 1823E | Removing Graph | | | 2500 | 1.5k |
| 1823F | Random Walk | | | 2600 | 1.4k |
| 1822B | Karina and Array | | | 800 | 26.7k |
| 1822C | Bun Lover | | | 800 | 24.9k |
| 1822D | Super-Permutation | | | 1200 | 19.2k |
| 1822E | Making Anti-Palindromes | | | 1600 | 12.6k |
| 1822G1 | Magic Triples (Easy Version) | | | 1700 | 9.9k |
| 1822G2 | Magic Triples (Hard Version) | | | 2200 | 3.1k |
| 1821A | Matching | | | 800 | 21.4k |
| 1821C | Tear It Apart | | | 1300 | 16.4k |
| 1821D | Black Cells | | | 1900 | 5.6k |
| 1821F | Timber | | | 2600 | 1k |
| 1820B | JoJo's Incredible Adventures | | | 1100 | 24.5k |
| 1819C | The Fox and the Complete Tree Traversal | | | 2400 | 1.8k |
| 1819E | Roads in E City | | | 3200 | 384 |
| 1817C | Similar Polynomials | | | 2400 | 1.3k |
| 1815A | Ian and Array Sorting | | | 1300 | 16.2k |
| 1815D | XOR Counting | | | 2600 | 1.5k |
| 1815E | Bosco and Particle | | | 3100 | 466 |
| 1815F | OH NO1 (-2-3-4) | | | 3500 | 324 |
| 1814A | Coins | | | 800 | 55.4k |
| 1814B | Long Legs | | | 1700 | 11.7k |
| 1814D | Balancing Weapons | | | 2500 | 1.1k |
| 1812D | Trivial Conjecture | | | unrated | 5k |
| 1812E | Not a Geometry Problem | | | unrated | 4.3k |
| 1811A | Insert Digit | | | 800 | 35k |
| 1811B | Conveyor Belts | | | 1000 | 22.5k |
| 1811D | Umka and a Long Flight | | | 1600 | 8.8k |
| 1811E | Living Sequence | | | 1500 | 14.6k |
| 1811G1 | Vlad and the Nice Paths (easy version) | | | 2100 | 2.6k |
| 1811G2 | Vlad and the Nice Paths (hard version) | | | 2200 | 2.2k |