| 856D | Masha and Cactus | | | 2400 | 624 |
| 855C | Helga Hufflepuff's Cup | | | 2000 | 2.5k |
| 855G | Harry Vs Voldemort | | | 3300 | 415 |
| 839C | Journey | | | 1500 | 20.8k |
| 835F | Roads in the Kingdom | | | 2500 | 1.3k |
| 830D | Singer House | | | 2800 | 1k |
| 830E | Perpetual Motion Machine | | | 3100 | 373 |
| 815C | Karen and Supermarket | | | 2400 | 3.5k |
| 814D | An overnight dance in discotheque | | | 2000 | 2.6k |
| 804D | Expected diameter of a tree | | | 2500 | 1.6k |
| 802J2 | Send the Fool Further! (medium) | | | 2100 | 739 |
| 802J3 | Send the Fool Further! (hard) | | | 2400 | 404 |
| 796C | Bank Hacking | | | 1900 | 3.2k |
| 796D | Police Stations | | | 2100 | 7.8k |
| 793E | Problem of offices | | | 2900 | 327 |
| 771C | Bear and Tree Jumps | | | 2100 | 3.6k |
| 766E | Mahmoud and a xor trip | | | 2100 | 3.6k |
| 765E | Tree Folding | | | 2200 | 1.4k |
| 763A | Timofey and a tree | | | 1600 | 12.1k |
| 758E | Broken Tree | | | 2600 | 636 |
| 743D | Chloe and pleasant prizes | | | 1800 | 4.8k |
| 735E | Ostap and Tree | | | 2500 | 1.1k |
| 734E | Anton and Tree | | | 2100 | 5.5k |
| 724F | Uniformly Branched Trees | | | 2700 | 561 |
| 718D | Andrew and Chemistry | | | 2900 | 550 |
| 708C | Centroids | | | 2300 | 4.5k |
| 700B | Connecting Universities | | | 1800 | 4.7k |
| 685B | Kay and Snowflake | | | 1900 | 5.6k |
| 682C | Alyona and the Tree | | | 1600 | 8.2k |
| 643E | Bear and Destroying Subtrees | | | 2700 | 756 |
| 633F | The Chocolate Spree | | | 2600 | 1.4k |
| 629E | Famil Door and Roads | | | 2300 | 1.2k |
| 627D | Preorder Test | | | 2600 | 1k |
| 618D | Hamiltonian Spanning Tree | | | 2200 | 2.1k |
| 615C | Running Track | | | 2000 | 2.5k |
| 613D | Kingdom and its Cities | | | 2800 | 4.3k |
| 599E | Sandy and Nuts | | | 2600 | 814 |
| 592D | Super M | | | 2200 | 3k |
| 581F | Zublicanes and Mumocrates | | | 2400 | 1.1k |
| 557E | Ann and Half-Palindrome | | | 2300 | 1.3k |
| 543D | Road Improvement | | | 2300 | 3.4k |
| 538E | Demiurges Play Again | | | 2200 | 1.7k |
| 533B | Work Group | | | 2000 | 2.7k |
| 522A | Reposts | | | 1200 | 19.3k |
| 519E | A and B and Lecture Rooms | | | 2100 | 8.9k |
| 516D | Drazil and Morning Exercise | | | 2800 | 1.6k |
| 512D | Fox And Travelling | | | 2900 | 1.2k |
| 509F | Progress Monitoring | | | 2300 | 1.2k |
| 494D | Birthday | | | 2700 | 712 |
| 490F | Treeland Tour | | | 2200 | 2k |
| 486D | Valid Sets | | | 2100 | 4.4k |
| 482D | Random Function and Tree | | | 2700 | 646 |
| 474E | Pillars | | | 2000 | 4.4k |
| 461B | Appleman and Tree | | | 2000 | 7.3k |
| 457F | An easy problem about trees | | | 3200 | 128 |
| 455B | A Lot of Games | | | 1900 | 7.1k |
| 455C | Civilization | | | 2100 | 6.6k |
| 440D | Berland Federalization | | | 2200 | 993 |
| 431C | k-Tree | | | 1600 | 30.5k |
| 429C | Guess the Tree | | | 2300 | 1.1k |
| 374D | Inna and Sequence | | | 2000 | 1k |
| 348E | Pilgrims | | | 2800 | 637 |
| 337D | Book of Evil | | | 2000 | 7.1k |
| 294E | Shaass the Great | | | 2300 | 1.2k |
| 274B | Zero Tree | | | 1800 | 5.7k |
| 251E | Tree and Table | | | 3000 | 211 |
| 238C | World Eater Brothers | | | 2100 | 1.4k |
| 231E | Cactus | | | 2100 | 2.4k |
| 219D | Choosing Capital for Treeland | | | 1700 | 13k |
| 212E | IT Restaurants | | | 1500 | 2.2k |
| 163E | e-Government | | | 2800 | 2.3k |
| 161D | Distance in Tree | | | 1800 | 20k |
| 152E | Garden | | | 2500 | 610 |
| 123E | Maze | | | 2500 | 842 |
| 120F | Spiders | | | 1400 | 4.2k |
| 109C | Lucky Tree | | | 1900 | 4.2k |
| 101D | Castle | | | 2300 | 813 |
| 87D | Beautiful Road | | | 2300 | 1.1k |
| 86C | Genetic engineering | | | 2500 | 946 |
| 81E | Pairs | | | 2700 | 460 |
| 77C | Beavermuncher-0xFF | | | 2100 | 1.3k |
| 75D | Big Maximum Sum | | | 2000 | 2.1k |
| 70E | Information Reform | | | 2700 | 620 |
| 51F | Caterpillar | | | 2800 | 845 |
| 48G | Galaxy Union | | | 2700 | 365 |
| 14D | Two Paths | | | 1900 | 5.4k |