| 1819C | The Fox and the Complete Tree Traversal | | | 2400 | 1.8k |
| 1819D | Misha and Apples | | | 2800 | 910 |
| 1819E | Roads in E City | | | 3200 | 384 |
| 1819F | Willy-nilly, Crack, Into Release! | | | 3500 | 208 |
| 1818A | Politics | | | 800 | 14.6k |
| 1818B | Indivisible | | | 900 | 17.3k |
| 1817A | Almost Increasing Subsequence | | | 1500 | 12.9k |
| 1817B | Fish Graph | | | 1900 | 5.2k |
| 1817C | Similar Polynomials | | | 2400 | 1.3k |
| 1817D | Toy Machine | | | 2700 | 1.1k |
| 1817E | Half-sum | | | 3400 | 351 |
| 1817F | Entangled Substrings | | | 3500 | 369 |
| 1816A | Ian Visits Mary | | | 800 | 19k |
| 1816B | Grid Reconstruction | | | 1000 | 16.8k |
| 1815A | Ian and Array Sorting | | | 1300 | 16.2k |
| 1815B | Sum Graph | | | 2000 | 3.7k |
| 1815C | Between | | | 2200 | 2.4k |
| 1815D | XOR Counting | | | 2600 | 1.5k |
| 1815E | Bosco and Particle | | | 3100 | 466 |
| 1815F | OH NO1 (-2-3-4) | | | 3500 | 324 |
| 1814A | Coins | | | 800 | 55.4k |
| 1814B | Long Legs | | | 1700 | 11.8k |
| 1814C | Search in Parallel | | | 1500 | 12.6k |
| 1814D | Balancing Weapons | | | 2500 | 1.1k |
| 1814E | Chain Chips | | | 2300 | 1.8k |
| 1814F | Communication Towers | | | 2700 | 1k |
| 1812A | Are You a Robot? | | | unrated | 14.4k |
| 1812B | Was it Rated? | | | unrated | 6.1k |
| 1812C | Digits | | | unrated | 1.4k |
| 1812D | Trivial Conjecture | | | unrated | 5k |
| 1812E | Not a Geometry Problem | | | unrated | 4.3k |
| 1812F | Factorization | | | unrated | 1.3k |
| 1812G | Colour Vision | | | unrated | 626 |
| 1812H | Expected Twist | | | unrated | 175 |
| 1812I | Mountain Climber | | | unrated | 292 |
| 1812J | Unmysterious Language | | | unrated | 6.3k |
| 1811A | Insert Digit | | | 800 | 35k |
| 1811B | Conveyor Belts | | | 1000 | 22.6k |
| 1811C | Restore the Array | | | 1100 | 22.5k |
| 1811D | Umka and a Long Flight | | | 1600 | 8.8k |
| 1811E | Living Sequence | | | 1500 | 14.6k |
| 1811F | Is It Flower? | | | 2100 | 2.2k |
| 1811G1 | Vlad and the Nice Paths (easy version) | | | 2100 | 2.6k |
| 1811G2 | Vlad and the Nice Paths (hard version) | | | 2200 | 2.2k |
| 1810A | Beautiful Sequence | | | 800 | 22k |
| 1810B | Candies | | | 800 | 19k |
| 1810C | Make It Permutation | | | 1300 | 16.7k |
| 1810D | Climbing the Tree | | | 1700 | 8.7k |
| 1810E | Monsters | | | 2100 | 4k |
| 1810F | M-tree | | | 2800 | 702 |
| 1810G | The Maximum Prefix | | | 3200 | 1.3k |
| 1810H | Last Number | | | 2900 | 176 |
| 1809A | Garland | | | 800 | 25.3k |
| 1809B | Points on Plane | | | 1000 | 22.7k |
| 1809C | Sum on Subarrays | | | 1500 | 15.4k |
| 1809D | Binary String Sorting | | | 1800 | 7.4k |
| 1809E | Two Tanks | | | 2400 | 1.1k |
| 1809F | Traveling in Berland | | | 2500 | 978 |
| 1809G | Prediction | | | 2800 | 647 |
| 1808A | Lucky Numbers | | | 900 | 21k |
| 1808B | Playing in a Casino | | | 1200 | 31.9k |
| 1808C | Unlucky Numbers | | | 1900 | 4.4k |
| 1808D | Petya, Petya, Petr, and Palindromes | | | 2100 | 2.8k |
| 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 |
| 1807A | Plus or Minus | | | 800 | 87.3k |
| 1807B | Grab the Candies | | | 800 | 50.2k |
| 1807C | Find and Replace | | | 800 | 34.8k |
| 1807D | Odd Queries | | | 900 | 61k |
| 1807E | Interview | | | 1300 | 17.2k |
| 1807F | Bouncy Ball | | | 1700 | 7.4k |
| 1807G1 | Subsequence Addition (Easy Version) | | | 1100 | 22.7k |
| 1807G2 | Subsequence Addition (Hard Version) | | | 1100 | 29.5k |
| 1806A | Walking Master | | | 800 | 46.8k |
| 1806B | Mex Master | | | 900 | 19.9k |
| 1806C | Sequence Master | | | 1600 | 8.8k |
| 1806D | DSU Master | | | 2500 | 1.3k |
| 1806E | Tree Master | | | 2200 | 3.5k |
| 1806F1 | GCD Master (easy version) | | | 2900 | 484 |
| 1806F2 | GCD Master (hard version) | | | 2900 | 489 |
| 1805A | We Need the Zero | | | 800 | 45.4k |
| 1805B | The String Has a Target | | | 800 | 20.4k |
| 1805C | Place for a Selfie | | | 1400 | 14.4k |
| 1805D | A Wide, Wide Graph | | | 1800 | 9.6k |
| 1805E | There Should Be a Lot of Maximums | | | 2300 | 2k |
| 1805F1 | Survival of the Weakest (easy version) | | | 2600 | 1.4k |
| 1805F2 | Survival of the Weakest (hard version) | | | 3100 | 535 |
| 1804A | Lame King | | | 800 | 18.8k |
| 1804B | Vaccination | | | 1000 | 15.8k |
| 1804C | Pull Your Luck | | | 1500 | 14k |
| 1804D | Accommodation | | | 2000 | 5.3k |
| 1804E | Routing | | | 2400 | 1.7k |
| 1804F | Approximate Diameter | | | 2700 | 1.2k |
| 1804G | Flow Control | | | 3500 | 254 |
| 1804H | Code Lock | | | 3300 | 276 |
| 1802A | Likes | | | 800 | 16.8k |
| 1802B | Settlement of Guinea Pigs | | | 1000 | 14.8k |
| 1801A | The Very Beautiful Blanket | | | 1600 | 9.9k |
| 1801B | Buying gifts | | | 1800 | 7.7k |