| 1623E | Middle Duplication | | | 2500 | 1.3k |
| 1621C | Hidden Permutations | | | 1700 | 7.6k |
| 1621H | Trains and Airplanes | | | 3500 | 267 |
| 1619G | Unusual Minesweeper | | | 2000 | 2.8k |
| 1618F | Reverse | | | 2000 | 4.8k |
| 1617E | Christmas Chocolates | | | 2700 | 1.1k |
| 1616G | Just Add an Edge | | | 3500 | 462 |
| 1615D | X(or)-mas Tree | | | 2200 | 2.2k |
| 1615E | Purple Crayon | | | 2400 | 1.8k |
| 1613E | Crazy Robot | | | 2000 | 6k |
| 1611E1 | Escape The Maze (easy version) | | | 1700 | 8.5k |
| 1611E2 | Escape The Maze (hard version) | | | 1900 | 4.4k |
| 1610F | Mashtali: a Space Oddysey | | | 3000 | 716 |
| 1610H | Squid Game | | | 3100 | 731 |
| 1608C | Game Master | | | 1700 | 7.4k |
| 1608G | Alphabetic Tree | | | 3500 | 300 |
| 1607F | Robot on the Board 2 | | | 2300 | 2.2k |
| 1605D | Treelabeling | | | 2100 | 3.3k |
| 1601B | Frog Traveler | | | 1900 | 5.6k |
| 1601F | Two Sorts | | | 3400 | 309 |
| 1600J | Robot Factory | | | 1400 | 4.5k |
| 1598A | Computer Game | | | 800 | 25.9k |
| 1598E | Staircases | | | 2100 | 2.5k |
| 1594D | The Number of Imposters | | | 1700 | 9.8k |
| 1593B | Make it Divisible by 25 | | | 900 | 43.1k |
| 1593E | Gardener and Tree | | | 1600 | 15.1k |
| 1593F | Red-Black Number | | | 2100 | 2.7k |
| 1592C | Bakry and Partitioning | | | 1700 | 9.3k |
| 1592D | Hemose in ICPC ? | | | 2300 | 2.7k |
| 1585E | Frequency Queries | | | 2400 | 1.2k |
| 1583E | Moment of Bloom | | | 2200 | 2.5k |
| 1578J | Just Kingdom | | | 3100 | 381 |
| 1575D | Divisible by Twenty-Five | | | 1800 | 2.9k |
| 1574D | The Strongest Build | | | 2000 | 4.9k |
| 1574F | Occurrences | | | 2700 | 786 |
| 1569F | Palindromic Hamiltonian Path | | | 3000 | 493 |
| 1567F | One-Four Overload | | | 2700 | 888 |
| 1566E | Buds Re-hanging | | | 2000 | 4.5k |
| 1560F1 | Nearest Beautiful Number (easy version) | | | 1900 | 6.8k |
| 1560F2 | Nearest Beautiful Number (hard version) | | | 2100 | 5.1k |
| 1559D2 | Mocha and Diana (Hard Version) | | | 2500 | 3.2k |
| 1558E | Down Below | | | 3000 | 726 |
| 1554E | You | | | 2600 | 1.4k |
| 1553E | Permutation Shift | | | 2100 | 3.8k |
| 1552D | Array Differentiation | | | 1800 | 8k |
| 1552G | A Serious Referee | | | 3000 | 687 |
| 1552I | Organizing a Music Festival | | | 3400 | 154 |
| 1551F | Equidistant Vertices | | | 2200 | 2.2k |
| 1549B | Gregor and the Pawn Game | | | 800 | 27.2k |
| 1547G | How Many Paths? | | | 2100 | 3.7k |
| 1543C | Need for Pink Slips | | | 1900 | 5.7k |
| 1537F | Figure Fixing | | | 2200 | 2.9k |
| 1535D | Playoff Tournament | | | 1800 | 8.6k |
| 1534F1 | Falling Sand (Easy Version) | | | 2500 | 1.5k |
| 1534F2 | Falling Sand (Hard Version) | | | 3000 | 790 |
| 1533G | Biome Map | | | unrated | 98 |
| 1533I | Excursions | | | unrated | 61 |
| 1528A | Parsa's Humongous Tree | | | 1600 | 19.8k |
| 1528C | Trees of Tranquillity | | | 2300 | 3k |
| 1527D | MEX Tree | | | 2400 | 2.3k |
| 1521D | Nastia Plays with a Tree | | | 2500 | 2.4k |
| 1520G | To Go Or Not To Go? | | | 2200 | 4.4k |
| 1519E | Off by One | | | 2700 | 943 |
| 1519F | Chests and Keys | | | 3200 | 797 |
| 1517C | Fillomino 2 | | | 1400 | 14.3k |
| 1515F | Phoenix and Earthquake | | | 2600 | 2.2k |
| 1515G | Phoenix and Odometers | | | 2700 | 1.4k |
| 1510C | Cactus Not Enough | | | 2900 | 247 |
| 1508C | Complete the MST | | | 2500 | 1.8k |
| 1508E | Tree Calendar | | | 3100 | 453 |
| 1499F | Diameter Cuts | | | 2400 | 1.7k |
| 1498D | Bananas in a Microwave | | | 2200 | 2.5k |
| 1498F | Christmas Game | | | 2500 | 1.1k |
| 1495D | BFS Trees | | | 2600 | 1.6k |
| 1494D | Dogeforces | | | 2300 | 2.9k |
| 1494F | Delete The Edges | | | 2900 | 531 |
| 1492E | Almost Fault-Tolerant Database | | | 2500 | 1.3k |
| 1491E | Fib-tree | | | 2400 | 2.4k |
| 1490D | Permutation Transformation | | | 1200 | 22k |
| 1487C | Minimum Ties | | | 1500 | 15.6k |
| 1486F | Pairs of Paths | | | 2600 | 875 |
| 1485E | Move and Swap | | | 2500 | 1.6k |
| 1477D | Nezzar and Hidden Permutations | | | 2800 | 808 |
| 1476D | Journey | | | 1700 | 9.3k |
| 1476E | Pattern Matching | | | 2300 | 2.8k |
| 1472G | Moving to the Capital | | | 2100 | 5.8k |
| 1470D | Strange Housing | | | 2200 | 4.3k |
| 1467E | Distinctive Roots in a Tree | | | 2500 | 1.8k |
| 1466F | Euclid's nightmare | | | 2100 | 3.1k |
| 1463E | Plan of Lectures | | | 2400 | 1.8k |
| 1454E | Number of Simple Paths | | | 2000 | 6.8k |
| 1453E | Dog Snacks | | | 2300 | 2.3k |
| 1452G | Game On Tree | | | 2700 | 579 |
| 1450E | Capitalism | | | 2700 | 1.5k |
| 1446E | Long Recovery | | | 3500 | 128 |
| 1444C | Team-Building | | | 2500 | 1.9k |
| 1444E | Finding the Vertex | | | 3500 | 171 |
| 1442C | Graph Transpositions | | | 2400 | 2k |
| 1442E | Black, White and Grey Tree | | | 3000 | 805 |
| 1436D | Bandit in a City | | | 1900 | 6.6k |