| 1163E | Magical Permutation | | | 2400 | 1.1k |
| 1163F | Indecisive Taxi Fee | | | 3000 | 1.5k |
| 1158C | Permutation recovery | | | 2100 | 2.3k |
| 1156G | Optimizer | | | 2700 | 171 |
| 1155F | Delivery Oligopoly | | | 2800 | 544 |
| 1152E | Neko and Flashback | | | 2400 | 1.2k |
| 1149D | Abandoning Roads | | | 3000 | 1.1k |
| 1149E | Election Promises | | | 3200 | 842 |
| 1148G | Gold Experience | | | 3300 | 615 |
| 1147A | Hide and Seek | | | 1500 | 5.6k |
| 1147D | Palindrome XOR | | | 2400 | 881 |
| 1146C | Tree Diameter | | | 1700 | 4.3k |
| 1146G | Zoning Restrictions | | | 2700 | 1.1k |
| 1144F | Graph Without Long Directed Paths | | | 1700 | 14.8k |
| 1142E | Pink Floyd | | | 3200 | 643 |
| 1141G | Privatization of Roads in Treeland | | | 1900 | 2.6k |
| 1139C | Edgy Trees | | | 1500 | 17.4k |
| 1139E | Maximize Mex | | | 2400 | 2.5k |
| 1137C | Museums Tour | | | 2500 | 1.4k |
| 1133F1 | Spanning Tree with Maximum Degree | | | 1600 | 8.9k |
| 1133F2 | Spanning Tree with One Fixed Degree | | | 1900 | 3.9k |
| 1131D | Gourmet choice | | | 2000 | 3.7k |
| 1120D | Power Tree | | | 2500 | 1.8k |
| 1111E | Tree | | | 2500 | 1.2k |
| 1108F | MST Unification | | | 2100 | 3.7k |
| 1107F | Vasya and Endless Credits | | | 2600 | 1k |
| 1106D | Lunar New Year and a Wander | | | 1500 | 20.7k |
| 1105D | Kilani and the Game | | | 1900 | 4.5k |
| 1103C | Johnny Solving | | | 2700 | 1k |
| 1102F | Elongated Matrix | | | 2000 | 2.4k |
| 1100E | Andrew and Taxi | | | 2200 | 2.7k |
| 1098C | Construct a tree | | | 2400 | 1.2k |
| 1095F | Make It Connected | | | 1900 | 7.8k |
| 1093D | Beautiful Graph | | | 1700 | 11.8k |
| 1091E | New Year and the Acquaintance Estimation | | | 2400 | 1.1k |
| 1090E | Horseback Riding | | | 2300 | 692 |
| 1090H | Linearization | | | 2900 | 110 |
| 1089B | Bimatching | | | 3200 | 251 |
| 1089D | Distance Sum | | | 3100 | 112 |
| 1089H | Harder Satisfiability | | | 3400 | 129 |
| 1089M | Minegraphed | | | 2400 | 657 |
| 1082D | Maximum Diameter Graph | | | 1800 | 4.2k |
| 1082G | Petya and Graph | | | 2400 | 2.8k |
| 1081D | Maximum Distance | | | 1800 | 4.8k |
| 1076D | Edge Deletion | | | 1800 | 6.1k |
| 1070A | Find a Number | | | 2200 | 2.7k |
| 1070I | Privatization of Roads in Berland | | | 2400 | 801 |
| 1068C | Colored Rooks | | | 1700 | 3.4k |
| 1067B | Multihedgehog | | | 1800 | 2.9k |
| 1065B | Vasya and Isolated Vertices | | | 1300 | 11.7k |
| 1063B | Labyrinth | | | 1800 | 9.6k |
| 1062D | Fun with Integers | | | 1800 | 4.2k |
| 1062F | Upgrading Cities | | | 2900 | 1.1k |
| 1061E | Politics | | | 2600 | 648 |
| 1056D | Decorate Apple Tree | | | 1600 | 6.8k |
| 1056G | Take Metro | | | 2900 | 330 |
| 1055A | Metro | | | 900 | 13.7k |
| 1051F | The Shortest Statement | | | 2400 | 3.9k |
| 1045A | Last chance | | | 2500 | 607 |
| 1045C | Hyperspace Highways | | | 2300 | 864 |
| 1042F | Leaf Sets | | | 2400 | 1.6k |
| 1041E | Tree Reconstruction | | | 1900 | 3.9k |
| 1039C | Network Safety | | | 2200 | 1.5k |
| 1038E | Maximum Matching | | | 2400 | 1.1k |
| 1037D | Valid BFS? | | | 1700 | 19.9k |
| 1037E | Trips | | | 2200 | 3.2k |
| 1033A | King Escape | | | 1000 | 16.4k |
| 1033E | Hidden Bipartite Graph | | | 2800 | 823 |
| 1031F | Familiar Operations | | | 2800 | 318 |
| 1029E | Tree with Small Distances | | | 2100 | 3.5k |
| 1027D | Mouse Hunt | | | 1700 | 8.5k |
| 1027F | Session in BSU | | | 2400 | 2k |
| 1023F | Mobile Phone Network | | | 2600 | 1.1k |
| 1020B | Badge | | | 1000 | 25.9k |
| 1019C | Sergey's problem | | | 3000 | 1.6k |
| 1012B | Chemical table | | | 1900 | 4.4k |
| 1010D | Mars rover | | | 2000 | 2.6k |
| 1010F | Tree | | | 3400 | 385 |
| 1009D | Relatively Prime Graph | | | 1700 | 6.7k |
| 1009G | Allowed Letters | | | 2400 | 1.1k |
| 1006E | Military Problem | | | 1600 | 12k |
| 1005F | Berland and the Shortest Paths | | | 2100 | 2.2k |
| 1003E | Tree Constructing | | | 2100 | 3.2k |
| 1000E | We Need More Bosses | | | 2100 | 7k |
| 999E | Reachability from the Capital | | | 2000 | 8.1k |
| 995E | Number Clicker | | | 2700 | 978 |
| 990D | Graph And Its Complement | | | 1700 | 4.1k |
| 989C | A Mist of Florescence | | | 1800 | 4.1k |
| 986A | Fair | | | 1600 | 8.6k |
| 986C | AND Graph | | | 2500 | 2.8k |
| 986F | Oppa Funcan Style Remastered | | | 3300 | 855 |
| 983C | Elevator | | | 2400 | 1k |
| 982C | Cut 'em all! | | | 1500 | 16.7k |
| 982F | The Meeting Place Cannot Be Changed | | | 2700 | 229 |
| 980F | Cactus to Tree | | | 2900 | 232 |
| 977E | Cyclic Components | | | 1500 | 26.6k |
| 976D | Degree Set | | | 2500 | 788 |
| 976F | Minimal k-covering | | | 2500 | 707 |
| 962F | Simple Cycles Edges | | | 2400 | 1.7k |
| 960F | Pathwalks | | | 2100 | 3.5k |