| 1536E | Omkar and Forest | | | 2300 | 2.8k |
| 1534C | Little Alawn's Puzzle | | | 1300 | 14k |
| 1530D | Secret Santa | | | 1600 | 10.2k |
| 1515G | Phoenix and Odometers | | | 2700 | 1.4k |
| 1506F | Triangular Paths | | | 2000 | 3.8k |
| 1495D | BFS Trees | | | 2600 | 1.6k |
| 1491G | Switch and Flip | | | 2800 | 1k |
| 1487C | Minimum Ties | | | 1500 | 15.6k |
| 1485D | Multiples and Power Differences | | | 2200 | 5.7k |
| 1475C | Ball in Berland | | | 1400 | 28.3k |
| 1470B | Strange Definition | | | 1900 | 6.8k |
| 1466F | Euclid's nightmare | | | 2100 | 3.1k |
| 1466H | Finding satisfactory solutions | | | 3300 | 682 |
| 1461E | Water Level | | | 2200 | 2.2k |
| 1430G | Yet Another DAG Problem | | | 2600 | 949 |
| 1392I | Kevin and Grid | | | 3300 | 320 |
| 1391C | Cyclic Permutations | | | 1500 | 16.1k |
| 1369D | TediousLee | | | 1900 | 9.3k |
| 1344C | Quantifier Question | | | 2600 | 2k |
| 1334E | Divisor Paths | | | 2200 | 3.2k |
| 1328D | Carousel | | | 1800 | 14.7k |
| 1327D | Infinite Path | | | 2200 | 3.6k |
| 1322C | Instant Noodles | | | 2300 | 2.8k |
| 1299D | Around the World | | | 3000 | 652 |
| 1292D | Chaotic V. | | | 2700 | 1.1k |
| 1284F | New Year and Social Network | | | 3200 | 424 |
| 1270G | Subset with Zero Sum | | | 2700 | 3.1k |
| 1268D | Invertation in Tournament | | | 3200 | 820 |
| 1266D | Decreasing Debts | | | 2000 | 3.9k |
| 1266H | Red-Blue Graph | | | 3400 | 144 |
| 1236F | Alice and the Cactus | | | 3000 | 327 |
| 1214E | Petya and Construction Set | | | 2000 | 2.9k |
| 1200F | Graph Traveler | | | 2300 | 1.2k |
| 1163E | Magical Permutation | | | 2400 | 1.1k |
| 1158C | Permutation recovery | | | 2100 | 2.3k |
| 1148G | Gold Experience | | | 3300 | 615 |
| 1139C | Edgy Trees | | | 1500 | 17.4k |
| 1103C | Johnny Solving | | | 2700 | 1k |
| 1091E | New Year and the Acquaintance Estimation | | | 2400 | 1.1k |
| 1062D | Fun with Integers | | | 1800 | 4.2k |
| 1039C | Network Safety | | | 2200 | 1.5k |
| 1031F | Familiar Operations | | | 2800 | 317 |
| 1009D | Relatively Prime Graph | | | 1700 | 6.7k |
| 986F | Oppa Funcan Style Remastered | | | 3300 | 855 |
| 959E | Mahmoud and Ehab and the xor-MST | | | 1900 | 3.8k |
| 913F | Strongly Connected Tournament | | | 2800 | 816 |
| 899C | Dividing the numbers | | | 1300 | 9.1k |
| 850D | Tournament Construction | | | 2800 | 498 |
| 845G | Shortest Path Problem? | | | 2300 | 2.2k |
| 843C | Upgrading Tree | | | 2600 | 416 |
| 842C | Ilya And The Tree | | | 2000 | 3.8k |
| 839E | Mother of Dragons | | | 2700 | 1.1k |
| 830E | Perpetual Motion Machine | | | 3100 | 373 |
| 772C | Vulnerable Kerbals | | | 2300 | 1.5k |
| 755A | PolandBall and Hypothesis | | | 800 | 20.1k |
| 724G | Xor-matic Number of the Graph | | | 2600 | 1.6k |
| 715E | Complete the Permutations | | | 3400 | 586 |
| 711D | Directed Roads | | | 1900 | 5.1k |
| 704C | Black Widow | | | 2900 | 562 |
| 679D | Bear and Chase | | | 2900 | 378 |
| 612E | Square Root of Permutation | | | 2200 | 2.1k |
| 593D | Happy Tree Party | | | 2400 | 1.5k |
| 558C | Amr and Chemistry | | | 1900 | 4.2k |
| 557D | Vitaly and Cycle | | | 2000 | 2.4k |
| 553E | Kyoya and Train | | | 3200 | 730 |
| 546E | Soldier and Traveling | | | 2100 | 4.4k |
| 542C | Idempotent functions | | | 2000 | 1.3k |
| 520B | Two Buttons | | | 1400 | 64.7k |
| 500B | New Year Permutation | | | 1600 | 9.7k |
| 441D | Valera and Swaps | | | 2100 | 1.3k |
| 402E | Strictly Positive Matrix | | | 2200 | 2.4k |
| 388B | Fox and Minimal path | | | 1900 | 2.6k |
| 370A | Rook, Bishop and King | | | 1100 | 12.2k |
| 344B | Simple Molecules | | | 1200 | 9.7k |
| 332D | Theft of Blueprints | | | 2400 | 441 |
| 303C | Minimum Modular | | | 2400 | 988 |
| 266D | BerDonalds | | | 2400 | 1k |
| 229C | Triangles | | | 1900 | 1.8k |
| 167E | Wizards and Bets | | | 2900 | 727 |
| 150B | Quantity of Strings | | | 1600 | 5.5k |
| 97C | Winning Strategy | | | 2400 | 367 |
| 94B | Friends | | | 1300 | 5.4k |
| 23B | Party | | | 1600 | 3.9k |