| 1954D | Colored Balls | | | 1800 | 8.3k |
| 1954F | Unique Strings | | | 3100 | 427 |
| 1952E | Sweep Line | | | unrated | 346 |
| 1951G | Clacking Balls | | | 3100 | 506 |
| 1948F | Rare Coins | | | 2500 | 1.7k |
| 1946E | Girl Permutation | | | 2200 | 3.2k |
| 1943D1 | Counting Is Fun (Easy Version) | | | 2400 | 2k |
| 1943D2 | Counting Is Fun (Hard Version) | | | 2800 | 1.2k |
| 1942E | Farm Game | | | 2300 | 2k |
| 1942G | Bessie and Cards | | | 2800 | 786 |
| 1935D | Exam in MAC | | | 1800 | 11k |
| 1933G | Turtle Magic: Royal Turtle Shell Pattern | | | 2300 | 1.2k |
| 1931D | Divisible Pairs | | | 1300 | 32.7k |
| 1931F | Chat Screenshots | | | 1700 | 12.5k |
| 1931G | One-Dimensional Puzzle | | | 2000 | 3.8k |
| 1930E | 2..3...4.... Wonderful! Wonderful! | | | 2400 | 1.5k |
| 1930I | Counting Is Fun | | | 3500 | 110 |
| 1929D | Sasha and a Walk in the City | | | 1900 | 5.9k |
| 1929F | Sasha and the Wedding Binary Search Tree | | | 2300 | 2.4k |
| 1928F | Digital Patterns | | | 2900 | 479 |
| 1925D | Good Trip | | | 1900 | 4.9k |
| 1924D | Balanced Subsequences | | | 2700 | 1.5k |
| 1924E | Paper Cutting Again | | | 3100 | 604 |
| 1922B | Forming Triangles | | | 1200 | 23.7k |
| 1920E | Counting Binary Strings | | | 2100 | 3.5k |
| 1919E | Counting Prefixes | | | 2600 | 1.2k |
| 1917B | Erase First or Second Letter | | | 1100 | 38.7k |
| 1917D | Yet Another Inversions Problem | | | 2300 | 2.1k |
| 1916H1 | Matrix Rank (Easy Version) | | | 2700 | 751 |
| 1916H2 | Matrix Rank (Hard Version) | | | 2700 | 681 |
| 1914G1 | Light Bulbs (Easy Version) | | | 2100 | 2.5k |
| 1914G2 | Light Bulbs (Hard Version) | | | 2300 | 1.9k |
| 1912B | Blueprint for Seating | | | 2100 | 1.5k |
| 1912K | Kim's Quest | | | 1800 | 4.4k |
| 1910I | Inverse Problem | | | 2700 | 70 |
| 1909F1 | Small Permutation Problem (Easy Version) | | | 2200 | 2.3k |
| 1909F2 | Small Permutation Problem (Hard Version) | | | 2500 | 1.3k |
| 1909I | Short Permutation Problem | | | 1900 | 183 |
| 1907E | Good Triples | | | 1600 | 16.7k |
| 1906H | Twin Friends | | | 2200 | 1.1k |
| 1906J | Count BFS Graph | | | 2100 | 1.1k |
| 1905E | One-X | | | 2400 | 1.3k |
| 1895F | Fancy Arrays | | | 2600 | 1.1k |
| 1893E | Cacti Symphony | | | 3500 | 342 |
| 1886D | Monocarp and the Set | | | 2100 | 4.3k |
| 1879C | Make it Alternating | | | 1300 | 28.8k |
| 1879D | Sum of XOR Functions | | | 1700 | 11.1k |
| 1876B | Effects of Anti Pimples | | | 1500 | 10.3k |
| 1876D | Lexichromatography | | | 2500 | 1.1k |
| 1868C | Travel Plan | | | 2400 | 1.4k |
| 1866B | Battling with Numbers | | | 1400 | 9.4k |
| 1866H | Happy Sets | | | 2100 | 1.9k |
| 1866M | Mighty Rock Tower | | | 2400 | 1k |
| 1864G | Magic Square | | | 3100 | 358 |
| 1863G | Swaps | | | 2800 | 1k |
| 1862D | Ice Cream Balls | | | 1300 | 20.2k |
| 1861E | Non-Intersecting Subpermutations | | | 2300 | 2.1k |
| 1857G | Counting Graphs | | | 2000 | 5.6k |
| 1855B | Longest Divisors Interval | | | 900 | 48.1k |
| 1854C | Expected Destruction | | | 2500 | 2k |
| 1850G | The Morning Star | | | 1500 | 15.8k |
| 1848F | Vika and Wiki | | | 2400 | 2.1k |
| 1847E | Triangle Platinum? | | | 2900 | 398 |
| 1844H | Multiple of Three Cycles | | | 3400 | 305 |
| 1843C | Sum in Binary Tree | | | 800 | 40.3k |
| 1843D | Apple Tree | | | 1200 | 22.3k |
| 1842G | Tenzing and Random Operations | | | 2800 | 1.7k |
| 1840B | Binary Cafe | | | 1100 | 25k |
| 1840C | Ski Resort | | | 1000 | 51k |
| 1838E | Count Supersequences | | | 2500 | 1.9k |
| 1837E | Playoff Fixing | | | 2200 | 2.6k |
| 1835E | Old Mobile | | | 3500 | 335 |
| 1833F | Ira and Flamenco | | | 1700 | 10.6k |
| 1832E | Combinatorics Problem | | | 2200 | 2.6k |
| 1830C | Hyperregular Bracket Strings | | | 2400 | 2.3k |
| 1829H | Don't Blame Me | | | 1700 | 11.3k |
| 1827A | Counting Orders | | | 1100 | 30.6k |
| 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 |
| 1821A | Matching | | | 800 | 21.4k |
| 1821F | Timber | | | 2600 | 1k |
| 1817C | Similar Polynomials | | | 2400 | 1.2k |
| 1815D | XOR Counting | | | 2600 | 1.5k |
| 1811G1 | Vlad and the Nice Paths (easy version) | | | 2100 | 2.6k |
| 1811G2 | Vlad and the Nice Paths (hard version) | | | 2200 | 2.2k |
| 1810H | Last Number | | | 2900 | 176 |
| 1809G | Prediction | | | 2800 | 643 |
| 1808E1 | Minibuses on Venus (easy version) | | | 2200 | 1.6k |
| 1808E2 | Minibuses on Venus (medium version) | | | 2500 | 892 |
| 1808E3 | Minibuses on Venus (hard version) | | | 2800 | 622 |
| 1806D | DSU Master | | | 2500 | 1.3k |
| 1799G | Count Voting | | | 2600 | 1.1k |
| 1795D | Triangle Coloring | | | 1600 | 13.7k |
| 1794D | Counting Factorizations | | | 1900 | 4.6k |
| 1792F1 | Graph Coloring (easy version) | | | 2700 | 1k |
| 1792F2 | Graph Coloring (hard version) | | | 2900 | 558 |
| 1789C | Serval and Toxel's Arrays | | | 1500 | 10.1k |
| 1788D | Moving Dots | | | 2000 | 4.8k |
| 1787D | Game on Axis | | | 1900 | 3.9k |