| 948A | Protect Sheep | | | 900 | 15.6k |
| 939D | Love Rescue | | | 1600 | 8.3k |
| 936B | Sleepy Game | | | 2100 | 3.5k |
| 936E | Iqea | | | 3400 | 261 |
| 935E | Fafa and Ancient Mathematics | | | 2300 | 1k |
| 932B | Recursive Queries | | | 1300 | 9.4k |
| 930A | Peculiar apple-tree | | | 1500 | 8.6k |
| 920C | Swap Adjacent Elements | | | 1400 | 10.1k |
| 920E | Connected Components? | | | 2100 | 8k |
| 919D | Substring | | | 1700 | 12.7k |
| 917B | MADMAX | | | 1700 | 4k |
| 915D | Almost Acyclic Graph | | | 2200 | 4.1k |
| 912E | Prime Gift | | | 2400 | 2.1k |
| 911F | Tree Destruction | | | 2400 | 2.4k |
| 910A | The Way to Home | | | 800 | 14.3k |
| 909E | Coprocessor | | | 1900 | 2.5k |
| 902B | Coloring a Tree | | | 1200 | 12.1k |
| 901C | Bipartite Segments | | | 2300 | 1.3k |
| 901D | Weighting a Tree | | | 2700 | 673 |
| 896A | Nephren gives a riddle | | | 1700 | 3.9k |
| 893C | Rumor | | | 1300 | 29.1k |
| 891D | Sloth | | | 3100 | 344 |
| 884C | Bertown Subway | | | 1500 | 5.2k |
| 883G | Orientation of Edges | | | 1900 | 1.6k |
| 877D | Olya and Energy Drinks | | | 2100 | 5.3k |
| 875C | National Property | | | 2100 | 2.4k |
| 870E | Points, Lines and Ready-made Titles | | | 2300 | 1.3k |
| 869D | The Overdosing Ubiquity | | | 2800 | 309 |
| 864F | Cities Excursions | | | 2700 | 706 |
| 862B | Mahmoud and Ehab and the bipartiteness | | | 1300 | 27.1k |
| 860E | Arkady and a Nobody-men | | | 2700 | 554 |
| 859E | Desk Disorder | | | 2100 | 2.2k |
| 858F | Wizard's Tour | | | 2300 | 2.2k |
| 855G | Harry Vs Voldemort | | | 3300 | 415 |
| 852I | Dating | | | 2300 | 786 |
| 847I | Noise Level | | | 1900 | 1.7k |
| 847L | Berland SU Computer Network | | | 2400 | 363 |
| 846E | Chemistry in Berland | | | 2300 | 1.1k |
| 845G | Shortest Path Problem? | | | 2300 | 2.2k |
| 843A | Sorting by Subsequences | | | 1400 | 6k |
| 843C | Upgrading Tree | | | 2600 | 416 |
| 842C | Ilya And The Tree | | | 2000 | 3.8k |
| 842E | Nikita and game | | | 2800 | 513 |
| 840B | Leha and another game about graph | | | 2100 | 2.9k |
| 839C | Journey | | | 1500 | 20.8k |
| 838B | Diverging Directions | | | 2100 | 1.1k |
| 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 |
| 822F | Madness | | | 2500 | 400 |
| 821D | Okabe and City | | | 2200 | 1.8k |
| 814D | An overnight dance in discotheque | | | 2000 | 2.6k |
| 813C | The Tag Game | | | 1700 | 8.5k |
| 812D | Sagheer and Kindergarten | | | 2700 | 382 |
| 811D | Vladik and Favorite Game | | | 2100 | 1.9k |
| 804C | Ice cream coloring | | | 2200 | 2k |
| 804D | Expected diameter of a tree | | | 2500 | 1.6k |
| 804F | Fake bullions | | | 3400 | 221 |
| 802J1 | Send the Fool Further! (easy) | | | 1400 | 6.7k |
| 802J3 | Send the Fool Further! (hard) | | | 2400 | 404 |
| 797D | Broken BST | | | 2100 | 2.3k |
| 796D | Police Stations | | | 2100 | 7.8k |
| 794D | Labelling Cities | | | 2400 | 946 |
| 793B | Igor and his way to work | | | 1600 | 4.9k |
| 793E | Problem of offices | | | 2900 | 327 |
| 788B | Weird journey | | | 2100 | 2.9k |
| 788C | The Great Mixing | | | 2300 | 2.7k |
| 786A | Berzerk | | | 2000 | 2.9k |
| 786D | Rap God | | | 3400 | 174 |
| 780C | Andryusha and Colored Balloons | | | 1600 | 10.3k |
| 780E | Underground Lab | | | 2100 | 3.1k |
| 778B | Bitwise Formula | | | 1800 | 2.5k |
| 778C | Peterson Polyglot | | | 2500 | 1k |
| 776D | The Door Problem | | | 2000 | 6.5k |
| 771A | Bear and Friendship Condition | | | 1500 | 18.1k |
| 771C | Bear and Tree Jumps | | | 2100 | 3.6k |
| 770C | Online Courses In BSU | | | 1500 | 3k |
| 769C | Cycle In Maze | | | 1700 | 3.2k |
| 768B | Code For 1 | | | 1600 | 7.1k |
| 767C | Garland | | | 2000 | 4.7k |
| 766D | Mahmoud and a Dictionary | | | 2000 | 4k |
| 766E | Mahmoud and a xor trip | | | 2100 | 3.6k |
| 765E | Tree Folding | | | 2200 | 1.4k |
| 763A | Timofey and a tree | | | 1600 | 12.1k |
| 761E | Dasha and Puzzle | | | 2000 | 2.4k |
| 758E | Broken Tree | | | 2600 | 636 |
| 756A | Pavel and barbecue | | | 1700 | 3.2k |
| 755C | PolandBall and Forest | | | 1300 | 15.4k |
| 750D | New Year and Fireworks | | | 1900 | 3.2k |
| 750H | New Year and Snowy Grid | | | 3500 | 262 |
| 748F | Santa Clauses and a Soccer Championship | | | 2300 | 744 |
| 747E | Comments | | | 1700 | 2.1k |
| 744A | Hongcow Builds A Nation | | | 1500 | 9.9k |
| 743D | Chloe and pleasant prizes | | | 1800 | 4.8k |
| 741A | Arpa's loud Owf and Mehrdad's evil plan | | | 1600 | 5.7k |
| 741B | Arpa's weak amphitheater and Mehrdad's valuable Hoses | | | 1600 | 6k |
| 741C | Arpa’s overnight party and Mehrdad’s silent entering | | | 2600 | 3.2k |
| 741D | Arpa’s letter-marked tree and Mehrdad’s Dokhtar-kosh paths | | | 2900 | 3.8k |