| 1977C | Nikita and LCM | | | 1900 | 8.2k |
| 1976E | Splittable Permutations | | | 2500 | 1.3k |
| 1975B | 378QAQ and Mocha's Array | | | 1000 | 21.3k |
| 1975G | Zimpha Fan Club | | | 3000 | 349 |
| 1974A | Phone Desktop | | | 800 | 38.3k |
| 1973B | Cat, Fox and the Lonely Array | | | 1300 | 17.1k |
| 1973C | Cat, Fox and Double Maximum | | | 1700 | 10k |
| 1969D | Shop Game | | | 1900 | 5.8k |
| 1968D | Permutation Game | | | 1300 | 17.7k |
| 1967A | Permutation Counting | | | 1400 | 15.2k |
| 1965A | Everything Nim | | | 1400 | 17.2k |
| 1956C | Nene's Magical Matrix | | | 1600 | 15.4k |
| 1956D | Nene and the Mex Operator | | | 2000 | 4.9k |
| 1956E2 | Nene vs. Monsters (Hard Version) | | | 2700 | 1.1k |
| 1955C | Inhabitant of the Deep Sea | | | 1300 | 25k |
| 1955F | Unfair Game | | | 1800 | 8.9k |
| 1954A | Painting the Ribbon | | | 900 | 28k |
| 1954C | Long Multiplication | | | 1200 | 23.2k |
| 1954E | Chain Reaction | | | 2200 | 3k |
| 1951A | Dual Trigger | | | 900 | 22.8k |
| 1951C | Ticket Hoarding | | | 1400 | 13.9k |
| 1951D | Buying Jewels | | | 2000 | 6.4k |
| 1951E | No Palindromes | | | 2000 | 4.6k |
| 1949H | Division Avoidance | | | 3100 | 170 |
| 1946B | Maximum Sum | | | 1100 | 23.9k |
| 1945A | Setting up Camp | | | 800 | 30.6k |
| 1944A | Destroying Bridges | | | 800 | 29.3k |
| 1942C1 | Bessie's Birthday Cake (Easy Version) | | | 1300 | 12.6k |
| 1942C2 | Bessie's Birthday Cake (Hard Version) | | | 1700 | 7k |
| 1941B | Rudolf and 121 | | | 1000 | 35.3k |
| 1936A | Bitwise Operation Wizard | | | 1700 | 8.8k |
| 1935E | Distance Learning Courses in MAC | | | 2400 | 1.7k |
| 1934A | Too Min Too Max | | | 800 | 27.5k |
| 1934B | Yet Another Coin Problem | | | 1200 | 22.4k |
| 1934C | Find a Mine | | | 1700 | 8.2k |
| 1933A | Turtle Puzzle: Rearrange and Negate | | | 800 | 42.5k |
| 1933D | Turtle Tenacity: Continual Mods | | | 1200 | 23.9k |
| 1931C | Make Equal Again | | | 1000 | 34.3k |
| 1931E | Anna and the Valentine's Day Gift | | | 1400 | 27.4k |
| 1929A | Sasha and the Beautiful Array | | | 800 | 35.3k |
| 1929B | Sasha and the Drawing | | | 800 | 26.9k |
| 1929C | Sasha and the Casino | | | 1400 | 17.5k |
| 1929E | Sasha and the Happy Tree Cutting | | | 2300 | 2.1k |
| 1928D | Lonely Mountain Dungeons | | | 1900 | 5.3k |
| 1928E | Modular Sequence | | | 2300 | 2.3k |
| 1927C | Choose the Different Ones! | | | 1000 | 31.9k |
| 1927G | Paint Charges | | | 2300 | 2k |
| 1925B | A Balanced Problemset? | | | 1200 | 23.5k |
| 1922C | Closest Cities | | | 1300 | 22.4k |
| 1922E | Increasing Subsequences | | | 1800 | 9.3k |
| 1921A | Square | | | 800 | 50.2k |
| 1921C | Sending Messages | | | 900 | 33k |
| 1921E | Eat the Chip | | | 1600 | 11.6k |
| 1920A | Satisfying Constraints | | | 800 | 29.8k |
| 1920B | Summation Game | | | 1100 | 23.4k |
| 1918A | Brick Wall | | | 800 | 32.6k |
| 1918C | XOR-distance | | | 1400 | 17.1k |
| 1917C | Watering an Array | | | 1600 | 12.6k |
| 1916C | Training Before the Olympiad | | | 1200 | 20.1k |
| 1915E | Romantic Glasses | | | 1300 | 36.7k |
| 1914C | Quests | | | 1100 | 42.2k |
| 1909C | Heavy Intervals | | | 1400 | 13.4k |
| 1909D | Split Plus K | | | 1900 | 5.2k |
| 1907C | Removal of Unattractive Pairs | | | 1200 | 23.5k |
| 1906M | Triangle Construction | | | 1700 | 3.5k |
| 1903E | Geo Game | | | 2000 | 2.6k |
| 1902C | Insert and Equalize | | | 1300 | 17.5k |
| 1901A | Line Trip | | | 800 | 81.7k |
| 1901B | Chip and Ribbon | | | 1100 | 17.2k |
| 1901C | Add, Divide and Floor | | | 1400 | 14.5k |
| 1901D | Yet Another Monster Fight | | | 1700 | 8.8k |
| 1898B | Milena and Admirer | | | 1500 | 14.9k |
| 1898D | Absolute Beauty | | | 1900 | 6.8k |
| 1896F | Bracket Xoring | | | 2600 | 1k |
| 1895B | Points and Minimum Distance | | | 800 | 21.7k |
| 1891E | Brukhovich and Exams | | | 2500 | 1.1k |
| 1889B | Doremy's Connecting Plan | | | 1700 | 8.7k |
| 1886E | I Wanna be the Team Leader | | | 2400 | 1.9k |
| 1884A | Simple Design | | | 800 | 19.3k |
| 1884B | Haunted House | | | 1100 | 15k |
| 1884E | Hard Design | | | 2800 | 440 |
| 1875C | Jellyfish and Green Apple | | | 1400 | 14.1k |
| 1874C | Jellyfish and EVA | | | 2300 | 2.2k |
| 1873B | Good Kid | | | 800 | 64.2k |
| 1873F | Money Trees | | | 1300 | 20.3k |
| 1872A | Two Vessels | | | 800 | 43.6k |
| 1872G | Replace With Product | | | 2000 | 5.1k |
| 1870A | MEXanized Array | | | 800 | 20.3k |
| 1870B | Friendly Arrays | | | 1200 | 16.5k |
| 1868B1 | Candy Party (Easy Version) | | | 1700 | 8.4k |
| 1868B2 | Candy Party (Hard Version) | | | 2100 | 2.8k |
| 1864A | Increasing and Decreasing | | | 800 | 21.5k |
| 1864D | Matrix Cascade | | | 1700 | 7.7k |
| 1863B | Split Sort | | | 1100 | 16.9k |
| 1863E | Speedrun | | | 2100 | 3.3k |
| 1860B | Fancy Coins | | | 1200 | 19.2k |
| 1859B | Olya and Game with Arrays | | | 1000 | 46.7k |
| 1859C | Another Permutation Problem | | | 1200 | 18.9k |
| 1858A | Buttons | | | 800 | 70.9k |
| 1858B | The Walkway | | | 1500 | 13.2k |