| 1955C | Inhabitant of the Deep Sea | | | 1300 | 25k |
| 1955E | Long Inversions | | | 1700 | 10.8k |
| 1954E | Chain Reaction | | | 2200 | 3k |
| 1951E | No Palindromes | | | 2000 | 4.6k |
| 1950F | 0, 1, 2, Tree! | | | 1700 | 11.5k |
| 1948B | Array Fix | | | 1100 | 26.5k |
| 1948E | Clique Partition | | | 2100 | 3.6k |
| 1946A | Median of an Array | | | 800 | 28.8k |
| 1946C | Tree Cutting | | | 1600 | 14.1k |
| 1946D | Birthday Gift | | | 1900 | 5.7k |
| 1942D | Learning to Paint | | | 2100 | 3.4k |
| 1937B | Binary Path | | | 1300 | 17.6k |
| 1936C | Pokémon Arena | | | 2400 | 1.8k |
| 1935F | Andrey's Tree | | | 2800 | 634 |
| 1932A | Thorns and Coins | | | 800 | 34.4k |
| 1932D | Card Game | | | 1400 | 13.6k |
| 1930D2 | Sum over all Substrings (Hard Version) | | | 2100 | 3.1k |
| 1927F | Microcycle | | | 1900 | 5.6k |
| 1926G | Vlad and Trouble at MIT | | | 1900 | 4.7k |
| 1923A | Moving Chips | | | 800 | 26.5k |
| 1923B | Monsters Attack! | | | 1100 | 20.1k |
| 1923F | Shrink-Reverse | | | 2800 | 545 |
| 1922C | Closest Cities | | | 1300 | 22.4k |
| 1921B | Arranging Cats | | | 800 | 36.8k |
| 1918A | Brick Wall | | | 800 | 32.6k |
| 1918B | Minimize Inversions | | | 900 | 27.5k |
| 1918C | XOR-distance | | | 1400 | 17.1k |
| 1918F | Caterpillar on a Tree | | | 2500 | 1.2k |
| 1917C | Watering an Array | | | 1600 | 12.6k |
| 1916C | Training Before the Olympiad | | | 1200 | 20.1k |
| 1915D | Unnatural Language Processing | | | 900 | 35.6k |
| 1915G | Bicycles | | | 1800 | 10.3k |
| 1914D | Three Activities | | | 1200 | 40.8k |
| 1907G | Lights | | | 2200 | 2.4k |
| 1904D2 | Set To Max (Hard Version) | | | 1800 | 5.8k |
| 1901D | Yet Another Monster Fight | | | 1700 | 8.8k |
| 1900A | Cover in Water | | | 800 | 70k |
| 1899E | Queue Sort | | | 1300 | 18.6k |
| 1896F | Bracket Xoring | | | 2600 | 1k |
| 1893C | Freedom of Choice | | | 2000 | 3.3k |
| 1891E | Brukhovich and Exams | | | 2500 | 1.1k |
| 1889A | Qingshan Loves Strings 2 | | | 1300 | 15.5k |
| 1884E | Hard Design | | | 2800 | 440 |
| 1874A | Jellyfish and Game | | | 1200 | 19.6k |
| 1873D | 1D Eraser | | | 800 | 44.1k |
| 1872B | The Corridor or There and Back Again | | | 900 | 30.8k |
| 1870D | Prefix Purchase | | | 1800 | 8.1k |
| 1868B1 | Candy Party (Easy Version) | | | 1700 | 8.4k |
| 1868B2 | Candy Party (Hard Version) | | | 2100 | 2.8k |
| 1868D | Flower-like Pseudotree | | | 3000 | 418 |
| 1868F | LIS? | | | 3500 | 140 |
| 1867D | Cyclic Operations | | | 1800 | 6.9k |
| 1864A | Increasing and Decreasing | | | 800 | 21.5k |
| 1863A | Channel | | | 800 | 18.9k |
| 1862A | Gift Carpet | | | 800 | 36.6k |
| 1857B | Maximum Rounding | | | 1100 | 24.9k |
| 1856E2 | PermuTree (hard version) | | | 2700 | 1.8k |
| 1850D | Balanced Round | | | 900 | 64.7k |
| 1850H | The Third Letter | | | 1700 | 10.2k |
| 1848B | Vika and the Bridge | | | 1200 | 26.2k |
| 1847D | Professor Higashikata | | | 1900 | 4.3k |
| 1844C | Particles | | | 1300 | 18.1k |
| 1839A | The Good Array | | | 800 | 18.4k |
| 1837F | Editorial for Two | | | 2400 | 2.7k |
| 1834D | Survey in Class | | | 1900 | 5.6k |
| 1833G | Ksyusha and Chinchilla | | | 1800 | 6.5k |
| 1832C | Contrast Value | | | 1200 | 36.7k |
| 1832D1 | Red-Blue Operations (Easy Version) | | | 2100 | 3.5k |
| 1832D2 | Red-Blue Operations (Hard Version) | | | 2400 | 2.4k |
| 1829C | Mr. Perfectly Fine | | | 800 | 32.9k |
| 1826A | Trust Nobody | | | 1200 | 17.5k |
| 1824A | LuoTianyi and the Show | | | 1400 | 12.6k |
| 1819B | The Butcher | | | 1900 | 4.3k |
| 1818A | Politics | | | 800 | 14.6k |
| 1809F | Traveling in Berland | | | 2500 | 972 |
| 1808C | Unlucky Numbers | | | 1900 | 4.4k |
| 1807C | Find and Replace | | | 800 | 34.8k |
| 1807G1 | Subsequence Addition (Easy Version) | | | 1100 | 22.7k |
| 1807G2 | Subsequence Addition (Hard Version) | | | 1100 | 29.4k |
| 1804B | Vaccination | | | 1000 | 15.8k |
| 1804D | Accommodation | | | 2000 | 5.3k |
| 1802A | Likes | | | 800 | 16.8k |
| 1802B | Settlement of Guinea Pigs | | | 1000 | 14.8k |
| 1799A | Recent Actions | | | 800 | 12.5k |
| 1799E | City Union | | | 2300 | 1.4k |
| 1798A | Showstopper | | | 800 | 21.2k |
| 1798B | Three Sevens | | | 1000 | 19k |
| 1797A | Li Hua and Maze | | | 800 | 19.7k |
| 1794E | Labeling the Tree with Distances | | | 2400 | 1.6k |
| 1793D | Moscow Gorillas | | | 1800 | 7.2k |
| 1789F | Serval and Brain Power | | | 2700 | 1k |
| 1788B | Sum of Two Numbers | | | 1100 | 22.6k |
| 1788F | XOR, Tree, and Queries | | | 2500 | 1.2k |
| 1781C | Equal Frequencies | | | 1600 | 11k |
| 1781E | Rectangle Shrinking | | | 2300 | 1.5k |
| 1778A | Flip Flop Sum | | | 800 | 25.9k |
| 1775E | The Human Equation | | | 2100 | 4k |
| 1774D | Same Count One | | | 1600 | 9.4k |
| 1772G | Gaining Rating | | | 2200 | 1.6k |
| 1768C | Elemental Decompress | | | 1300 | 15.9k |