| 1868A | Fill in the Matrix | | | 1300 | 13.7k |
| 1868B1 | Candy Party (Easy Version) | | | 1700 | 8.4k |
| 1868B2 | Candy Party (Hard Version) | | | 2100 | 2.8k |
| 1868C | Travel Plan | | | 2400 | 1.4k |
| 1868D | Flower-like Pseudotree | | | 3000 | 418 |
| 1868E | Min-Sum-Max | | | 3500 | 120 |
| 1868F | LIS? | | | 3500 | 140 |
| 1867A | green_gold_dog, array and permutation | | | 800 | 21.2k |
| 1867B | XOR Palindromes | | | 1100 | 18.8k |
| 1867C | Salyg1n and the MEX Game | | | 1300 | 12.8k |
| 1867D | Cyclic Operations | | | 1800 | 6.9k |
| 1867E1 | Salyg1n and Array (simple version) | | | 2000 | 4.4k |
| 1867E2 | Salyg1n and Array (hard version) | | | 2200 | 3.8k |
| 1867F | Most Different Tree | | | 2700 | 554 |
| 1866A | Ambitious Kid | | | 800 | 55.9k |
| 1866B | Battling with Numbers | | | 1400 | 9.4k |
| 1866C | Completely Searching for Inversions | | | 1900 | 3.5k |
| 1866D | Digital Wallet | | | 2300 | 1.6k |
| 1866E | Elevators of Tamem | | | 2700 | 565 |
| 1866F | Freak Joker Process | | | 3100 | 201 |
| 1866G | Grouped Carriages | | | 2100 | 2.3k |
| 1866H | Happy Sets | | | 2100 | 1.9k |
| 1866I | Imagination Castle | | | 2300 | 961 |
| 1866J | Jackets and Packets | | | 2800 | 447 |
| 1866K | Keen Tree Calculation | | | 2500 | 585 |
| 1866L | Lihmuf Balling | | | 2400 | 901 |
| 1866M | Mighty Rock Tower | | | 2400 | 1k |
| 1864A | Increasing and Decreasing | | | 800 | 21.5k |
| 1864B | Swap and Reverse | | | 1100 | 16.8k |
| 1864C | Divisor Chain | | | 1300 | 15.5k |
| 1864D | Matrix Cascade | | | 1700 | 7.7k |
| 1864E | Guess Game | | | 2100 | 3.1k |
| 1864F | Exotic Queries | | | 2300 | 1.7k |
| 1864G | Magic Square | | | 3100 | 358 |
| 1864H | Asterism Stream | | | 3200 | 575 |
| 1864I | Future Dominators | | | 3500 | 110 |
| 1863A | Channel | | | 800 | 18.9k |
| 1863B | Split Sort | | | 1100 | 16.9k |
| 1863C | MEX Repetition | | | 1100 | 15.7k |
| 1863D | Two-Colored Dominoes | | | 1400 | 10.9k |
| 1863E | Speedrun | | | 2100 | 3.3k |
| 1863F | Divide, XOR, and Conquer | | | 2600 | 1.4k |
| 1863G | Swaps | | | 2800 | 1k |
| 1863H | Goldberg Machine 3 | | | 3500 | 116 |
| 1863I | Redundant Routes | | | 3500 | 133 |
| 1862A | Gift Carpet | | | 800 | 36.6k |
| 1862B | Sequence Game | | | 800 | 59.2k |
| 1862C | Flower City Fence | | | 1100 | 23.3k |
| 1862D | Ice Cream Balls | | | 1300 | 20.2k |
| 1862E | Kolya and Movie Theatre | | | 1600 | 13k |
| 1862F | Magic Will Save the World | | | 1800 | 7.8k |
| 1862G | The Great Equalizer | | | 2000 | 3.5k |
| 1861A | Prime Deletion | | | 800 | 26.2k |
| 1861B | Two Binary Strings | | | 1000 | 24.3k |
| 1861C | Queries for the Array | | | 1600 | 12.5k |
| 1861D | Sorting By Multiplication | | | 1800 | 8.1k |
| 1861E | Non-Intersecting Subpermutations | | | 2300 | 2.1k |
| 1861F | Four Suits | | | 3200 | 338 |
| 1860A | Not a Substring | | | 900 | 23.8k |
| 1860B | Fancy Coins | | | 1200 | 19.2k |
| 1860C | Game on Permutation | | | 1400 | 16k |
| 1860D | Balanced String | | | 2200 | 3.7k |
| 1860E | Fast Travel Text Editor | | | 2400 | 1.9k |
| 1860F | Evaluate RBS | | | 2900 | 350 |
| 1859A | United We Stand | | | 800 | 58.5k |
| 1859B | Olya and Game with Arrays | | | 1000 | 46.8k |
| 1859C | Another Permutation Problem | | | 1200 | 18.9k |
| 1859D | Andrey and Escape from Capygrad | | | 1800 | 8.1k |
| 1859E | Maximum Monogonosity | | | 2500 | 2.2k |
| 1859F | Teleportation in Byteland | | | 3200 | 583 |
| 1858A | Buttons | | | 800 | 70.9k |
| 1858B | The Walkway | | | 1500 | 13.2k |
| 1858C | Yet Another Permutation Problem | | | 1000 | 25.8k |
| 1858D | Trees and Segments | | | 2200 | 3.3k |
| 1858E1 | Rollbacks (Easy Version) | | | 2500 | 1.7k |
| 1858E2 | Rollbacks (Hard Version) | | | 2600 | 1.3k |
| 1857A | Array Coloring | | | 800 | 83.9k |
| 1857B | Maximum Rounding | | | 1100 | 24.9k |
| 1857C | Assembly via Minimums | | | 1200 | 44.4k |
| 1857D | Strong Vertices | | | 1300 | 31k |
| 1857E | Power of Points | | | 1500 | 15.1k |
| 1857F | Sum and Product | | | 1600 | 14.6k |
| 1857G | Counting Graphs | | | 2000 | 5.6k |
| 1856A | Tales of a Sort | | | 800 | 28.3k |
| 1856B | Good Arrays | | | 900 | 27.8k |
| 1856C | To Become Max | | | 1600 | 19.2k |
| 1856D | More Wrong | | | 2100 | 3.9k |
| 1856E1 | PermuTree (easy version) | | | 1800 | 6.6k |
| 1856E2 | PermuTree (hard version) | | | 2700 | 1.8k |
| 1855A | Dalton the Teacher | | | 800 | 30.1k |
| 1855B | Longest Divisors Interval | | | 900 | 48.2k |
| 1854A1 | Dual (Easy Version) | | | 1400 | 16.2k |
| 1854A2 | Dual (Hard Version) | | | 1900 | 8k |
| 1854B | Earn or Unlock | | | 2200 | 4.4k |
| 1854C | Expected Destruction | | | 2500 | 2k |
| 1854D | Michael and Hotel | | | 3000 | 695 |
| 1854E | Game Bundles | | | 3000 | 575 |
| 1854F | Mark and Spaceship | | | 3500 | 149 |
| 1853A | Desorting | | | 800 | 59.9k |
| 1853B | Fibonaccharsis | | | 1200 | 20k |