| 835F | Roads in the Kingdom | | | 2500 | 1.3k |
| 832D | Misha, Grisha and Underground | | | 1900 | 4.7k |
| 827D | Best Edge Weight | | | 2700 | 1.5k |
| 825E | Minimal Labels | | | 2300 | 4.4k |
| 825G | Tree Queries | | | 2500 | 1.5k |
| 821D | Okabe and City | | | 2200 | 1.8k |
| 813C | The Tag Game | | | 1700 | 8.5k |
| 812D | Sagheer and Kindergarten | | | 2700 | 382 |
| 811D | Vladik and Favorite Game | | | 2100 | 1.9k |
| 804F | Fake bullions | | | 3400 | 221 |
| 802J1 | Send the Fool Further! (easy) | | | 1400 | 6.7k |
| 796D | Police Stations | | | 2100 | 7.8k |
| 794D | Labelling Cities | | | 2400 | 946 |
| 793B | Igor and his way to work | | | 1600 | 4.9k |
| 788B | Weird journey | | | 2100 | 2.9k |
| 788C | The Great Mixing | | | 2300 | 2.7k |
| 780C | Andryusha and Colored Balloons | | | 1600 | 10.3k |
| 780E | Underground Lab | | | 2100 | 3.1k |
| 776D | The Door Problem | | | 2000 | 6.5k |
| 771A | Bear and Friendship Condition | | | 1500 | 18.1k |
| 770C | Online Courses In BSU | | | 1500 | 3k |
| 769C | Cycle In Maze | | | 1700 | 3.2k |
| 767C | Garland | | | 2000 | 4.7k |
| 766D | Mahmoud and a Dictionary | | | 2000 | 4k |
| 763A | Timofey and a tree | | | 1600 | 12.1k |
| 761E | Dasha and Puzzle | | | 2000 | 2.4k |
| 758E | Broken Tree | | | 2600 | 636 |
| 755C | PolandBall and Forest | | | 1300 | 15.4k |
| 750H | New Year and Snowy Grid | | | 3500 | 262 |
| 748F | Santa Clauses and a Soccer Championship | | | 2300 | 744 |
| 744A | Hongcow Builds A Nation | | | 1500 | 9.9k |
| 743D | Chloe and pleasant prizes | | | 1800 | 4.8k |
| 741C | Arpa’s overnight party and Mehrdad’s silent entering | | | 2600 | 3.2k |
| 739B | Alyona and a tree | | | 1900 | 5.2k |
| 732F | Tourist Reform | | | 2300 | 3.7k |
| 731C | Socks | | | 1600 | 8k |
| 723D | Lakes in Berland | | | 1600 | 7.6k |
| 723E | One-Way Reform | | | 2200 | 2.3k |
| 711D | Directed Roads | | | 1900 | 5.1k |
| 708C | Centroids | | | 2300 | 4.5k |
| 700B | Connecting Universities | | | 1800 | 4.7k |
| 700C | Break Up | | | 2600 | 1.5k |
| 698B | Fix a Tree | | | 1700 | 6.2k |
| 690C2 | Brain Network (medium) | | | 1500 | 5.1k |
| 689B | Mike and Shortcuts | | | 1600 | 6.7k |
| 687A | NP-Hard Problem | | | 1500 | 16.9k |
| 687E | TOF | | | 2900 | 483 |
| 682C | Alyona and the Tree | | | 1600 | 8.2k |
| 681D | Gifts by the List | | | 2000 | 1.9k |
| 679D | Bear and Chase | | | 2900 | 378 |
| 662B | Graph Coloring | | | 2200 | 1.7k |
| 659E | New Reform | | | 1600 | 8.1k |
| 659F | Polycarp and Hay | | | 2000 | 2k |
| 653E | Bear and Forgotten Tree 2 | | | 2400 | 1.8k |
| 652E | Pursuit For Artifacts | | | 2300 | 3k |
| 650C | Table Compression | | | 2200 | 2.2k |
| 648C | Путь Робота | | | 1100 | 1.4k |
| 639F | Bear and Chemistry | | | 3300 | 610 |
| 638C | Road Improvement | | | 1800 | 2.4k |
| 638D | Three-dimensional Turtle Super Computer | | | 1800 | 798 |
| 633F | The Chocolate Spree | | | 2600 | 1.4k |
| 627D | Preorder Test | | | 2600 | 1k |
| 627F | Island Puzzle | | | 3400 | 271 |
| 613D | Kingdom and its Cities | | | 2800 | 4.3k |
| 612E | Square Root of Permutation | | | 2200 | 2.1k |
| 609E | Minimum spanning tree for each edge | | | 2100 | 10.7k |
| 598D | Igor In the Museum | | | 1700 | 13.7k |
| 596E | Wilbur and Strings | | | 2500 | 455 |
| 593D | Happy Tree Party | | | 2400 | 1.5k |
| 592D | Super M | | | 2200 | 3k |
| 590C | Three States | | | 2200 | 3.7k |
| 585B | Phillip and Trains | | | 1700 | 3.8k |
| 580C | Kefa and Park | | | 1500 | 58k |
| 575B | Bribes | | | 2200 | 1.3k |
| 574B | Bear and Three Musketeers | | | 1500 | 8.4k |
| 571C | CNF 2 | | | 2500 | 756 |
| 570D | Tree Requests | | | 2200 | 9.3k |
| 567E | President and Roads | | | 2200 | 2.3k |
| 557D | Vitaly and Cycle | | | 2000 | 2.4k |
| 555E | Case of Computer Network | | | 2800 | 3.1k |
| 553C | Love Triangles | | | 2200 | 2k |
| 549B | Looksery Party | | | 2300 | 1.6k |
| 547D | Mike and Fish | | | 2600 | 3.2k |
| 533B | Work Group | | | 2000 | 2.7k |
| 527E | Data Center Drama | | | 2600 | 2.3k |
| 522A | Reposts | | | 1200 | 19.3k |
| 521E | Cycling City | | | 3100 | 1.3k |
| 520B | Two Buttons | | | 1400 | 64.7k |
| 510C | Fox And Names | | | 1600 | 23.2k |
| 508D | Tanya and Password | | | 2500 | 4.4k |
| 507E | Breaking Good | | | 2100 | 3.3k |
| 506D | Mr. Kitayuta's Colorful Graph | | | 2400 | 2.6k |
| 505B | Mr. Kitayuta's Colorful Graph | | | 1400 | 15.2k |
| 500A | New Year Transportation | | | 1000 | 64.4k |
| 500B | New Year Permutation | | | 1600 | 9.7k |
| 500D | New Year Santa Network | | | 1900 | 3.3k |
| 489D | Unbearable Controversy of Being | | | 1700 | 7.1k |
| 487E | Tourists | | | 3200 | 3k |
| 475B | Strongly Connected City | | | 1400 | 9.4k |
| 467D | Fedor and Essay | | | 2400 | 2.1k |