| 1806D | DSU Master | | | 2500 | 1.3k |
| 1799G | Count Voting | | | 2600 | 1.1k |
| 1795D | Triangle Coloring | | | 1600 | 13.7k |
| 1794D | Counting Factorizations | | | 1900 | 4.6k |
| 1789C | Serval and Toxel's Arrays | | | 1500 | 10.1k |
| 1788D | Moving Dots | | | 2000 | 4.8k |
| 1781F | Bracket Insertion | | | 2700 | 1.4k |
| 1778D | Flexible String Revisit | | | 2100 | 3.5k |
| 1777B | Emordnilap | | | 900 | 19.4k |
| 1777D | Score of a Tree | | | 1900 | 4.9k |
| 1776G | Another Wine Tasting Event | | | 2100 | 2.4k |
| 1773G | Game of Questions | | | 2800 | 560 |
| 1771A | Hossam and Combinatorics | | | 900 | 25.6k |
| 1770E | Koxia and Tree | | | 2400 | 1.6k |
| 1770F | Koxia and Sequence | | | 3100 | 1k |
| 1768E | Partial Sorting | | | 2300 | 2.4k |
| 1767D | Playoff | | | 1500 | 11.3k |
| 1764D | Doremy's Pegging Game | | | 2000 | 3.2k |
| 1763D | Valid Bitonic Permutations | | | 2200 | 2.4k |
| 1762C | Binary Strings are Fun | | | 1400 | 10.2k |
| 1762E | Tree Sum | | | 2600 | 899 |
| 1761D | Carry Bit | | | 2100 | 2.9k |
| 1761F2 | Anti-median (Hard Version) | | | 3500 | 109 |
| 1750D | Count GCD | | | 1800 | 7.6k |
| 1750F | Majority | | | 2700 | 1.3k |
| 1750G | Doping | | | 3300 | 407 |
| 1749D | Counting Arrays | | | 1900 | 6.4k |
| 1748D | ConstructOR | | | 2100 | 3.3k |
| 1747E | List Generation | | | 2900 | 701 |
| 1743A | Password | | | 800 | 29.9k |
| 1743G | Antifibonacci Cut | | | 3000 | 381 |
| 1740F | Conditional Mix | | | 2600 | 1.2k |
| 1738E | Balance Addicts | | | 2300 | 1.9k |
| 1737E | Ela Goes Hiking | | | 2500 | 1.1k |
| 1735D | Meta-set | | | 1700 | 7.1k |
| 1732A | Bestie | | | 1000 | 17.8k |
| 1731F | Function Sum | | | 2500 | 924 |
| 1728G | Illumination | | | 2700 | 669 |
| 1726E | Almost Perfect | | | 2400 | 1.8k |
| 1725C | Circular Mirror | | | 2000 | 2k |
| 1725E | Electrical Efficiency | | | 2500 | 640 |
| 1717D | Madoka and The Corruption Scheme | | | 1900 | 4.9k |
| 1716F | Bags with Balls | | | 2500 | 1.5k |
| 1715C | Monoblock | | | 1700 | 10.6k |
| 1713F | Lost Array | | | 2900 | 771 |
| 1712E1 | LCM Sum (easy version) | | | 2300 | 2.5k |
| 1707D | Partial Virtual Trees | | | 3000 | 997 |
| 1705D | Mark and Lightbulbs | | | 1800 | 7.2k |
| 1704H1 | Game of AI (easy version) | | | 3200 | 346 |
| 1704H2 | Game of AI (hard version) | | | 3500 | 119 |
| 1701F | Points | | | 2500 | 1.2k |
| 1699C | The Third Problem | | | 1700 | 10.8k |
| 1697E | Coloring | | | 2400 | 1.5k |
| 1696E | Placing Jinas | | | 2000 | 5k |
| 1696H | Maximum Product? | | | 3500 | 215 |
| 1691F | K-Set Tree | | | 2500 | 1.2k |
| 1687E | Become Big For Me | | | 3500 | 323 |
| 1674B | Dictionary | | | 800 | 29.8k |
| 1673D | Lost Arithmetic Progression | | | 1900 | 3.6k |
| 1673E | Power or XOR? | | | 2500 | 850 |
| 1671F | Permutation Counting | | | 2700 | 514 |
| 1667E | Centroid Probabilities | | | 3000 | 938 |
| 1663D | Is it rated - 3 | | | unrated | 1.5k |
| 1662N | Drone Photo | | | unrated | 952 |
| 1658B | Marin and Anti-coprime Permutation | | | 800 | 19.6k |
| 1657E | Star MST | | | 2200 | 2.5k |
| 1654H | Three Minimums | | | 3500 | 108 |
| 1651E | Sum of Matchings | | | 2600 | 669 |
| 1648A | Weird Sum | | | 1400 | 19.8k |
| 1644E | Expand the Path | | | 1900 | 3.5k |
| 1644F | Basis | | | 2900 | 511 |
| 1641D | Two Arrays | | | 2700 | 1.6k |
| 1641E | Special Positions | | | 3300 | 365 |
| 1630E | Expected Components | | | 2900 | 621 |
| 1628D1 | Game on Sum (Easy Version) | | | 2100 | 3.8k |
| 1628D2 | Game on Sum (Hard Version) | | | 2400 | 2.7k |
| 1626F | A Random Code Problem | | | 2800 | 922 |
| 1622D | Shuffle | | | 2000 | 4.8k |
| 1616H | Keep XOR Low | | | 3000 | 1.4k |
| 1615F | LEGOndary Grandmaster | | | 2800 | 1.2k |
| 1614C | Divan and bitwise operations | | | 1500 | 11.4k |
| 1610D | Not Quite Lee | | | 2000 | 3.1k |
| 1608D | Dominoes | | | 2400 | 1.6k |
| 1606E | Arena | | | 2100 | 4.3k |
| 1603E | A Perfect Problem | | | 3200 | 670 |
| 1603F | October 18, 2017 | | | 2700 | 402 |
| 1599C | Bubble Strike | | | 2000 | 2k |
| 1598D | Training Session | | | 1700 | 10.7k |
| 1598E | Staircases | | | 2100 | 2.5k |
| 1594E1 | Rubik's Cube Coloring (easy version) | | | 1300 | 12.4k |
| 1586I | Omkar and Mosaic | | | 3500 | 355 |
| 1585F | Non-equal Neighbours | | | 2400 | 1.7k |
| 1584D | Guess the Permutation | | | 2000 | 4k |
| 1582B | Luntik and Subsequences | | | 900 | 35.7k |
| 1581A | CQXYM Count Permutations | | | 800 | 14.3k |
| 1580F | Problems for Codeforces | | | 3300 | 226 |
| 1574B | Combinatorics Homework | | | 1100 | 18.3k |
| 1574E | Coloring | | | 2500 | 1.1k |
| 1569C | Jury Meeting | | | 1500 | 13.5k |
| 1567C | Carrying Conundrum | | | 1600 | 13.3k |