| 959E | Mahmoud and Ehab and the xor-MST | | | 1900 | 3.8k |
| 958B2 | Maximum Control (medium) | | | 2200 | 766 |
| 954D | Fight Against Traffic | | | 1600 | 8.1k |
| 949C | Data Center Maintenance | | | 1900 | 2.3k |
| 948A | Protect Sheep | | | 900 | 15.6k |
| 939A | Love Triangle | | | 800 | 30.4k |
| 939D | Love Rescue | | | 1600 | 8.3k |
| 938D | Buy a Ticket | | | 2000 | 7.4k |
| 938G | Shortest Path Queries | | | 2900 | 1.2k |
| 936B | Sleepy Game | | | 2100 | 3.5k |
| 933C | A Colourful Prospect | | | 2700 | 686 |
| 930A | Peculiar apple-tree | | | 1500 | 8.6k |
| 928C | Dependency management | | | 1900 | 908 |
| 923F | Public Service | | | 3200 | 143 |
| 920E | Connected Components? | | | 2100 | 8k |
| 919D | Substring | | | 1700 | 12.8k |
| 919F | A Game With Numbers | | | 2600 | 434 |
| 917B | MADMAX | | | 1700 | 4k |
| 916C | Jamie and Interesting Graph | | | 1600 | 5.6k |
| 915D | Almost Acyclic Graph | | | 2200 | 4.1k |
| 915F | Imbalance Value of a Tree | | | 2400 | 3.2k |
| 913F | Strongly Connected Tournament | | | 2800 | 816 |
| 912D | Fishes | | | 2100 | 2.2k |
| 911F | Tree Destruction | | | 2400 | 2.4k |
| 909E | Coprocessor | | | 1900 | 2.5k |
| 908F | New Year and Rainbow Roads | | | 2400 | 1.6k |
| 906C | Party | | | 2400 | 1.6k |
| 903G | Yet Another Maxflow Problem | | | 2700 | 762 |
| 901C | Bipartite Segments | | | 2300 | 1.3k |
| 901D | Weighting a Tree | | | 2700 | 673 |
| 899C | Dividing the numbers | | | 1300 | 9.1k |
| 894E | Ralph and Mushrooms | | | 2100 | 3.4k |
| 893C | Rumor | | | 1300 | 29.1k |
| 891C | Envy | | | 2300 | 3.1k |
| 888F | Connecting Vertices | | | 2500 | 1.2k |
| 886D | Restoration of string | | | 2000 | 2k |
| 884F | Anti-Palindromize | | | 2500 | 1.3k |
| 883B | Berland Army | | | 2600 | 479 |
| 883G | Orientation of Edges | | | 1900 | 1.6k |
| 878C | Tournament | | | 2700 | 1.1k |
| 877D | Olya and Energy Drinks | | | 2100 | 5.3k |
| 875C | National Property | | | 2100 | 2.4k |
| 875F | Royal Questions | | | 2500 | 1.6k |
| 871E | Restore the Tree | | | 2900 | 204 |
| 870E | Points, Lines and Ready-made Titles | | | 2300 | 1.3k |
| 869D | The Overdosing Ubiquity | | | 2800 | 309 |
| 868E | Policeman and a Tree | | | 2700 | 569 |
| 865E | Hex Dyslexia | | | 3300 | 162 |
| 864F | Cities Excursions | | | 2700 | 706 |
| 863C | 1-2-3 | | | 1800 | 2.7k |
| 862B | Mahmoud and Ehab and the bipartiteness | | | 1300 | 27.1k |
| 859E | Desk Disorder | | | 2100 | 2.2k |
| 858F | Wizard's Tour | | | 2300 | 2.2k |
| 855G | Harry Vs Voldemort | | | 3300 | 415 |
| 852I | Dating | | | 2300 | 786 |
| 850D | Tournament Construction | | | 2800 | 498 |
| 848D | Shake It! | | | 2900 | 484 |
| 847J | Students Initiation | | | 2400 | 809 |
| 847L | Berland SU Computer Network | | | 2400 | 363 |
| 845G | Shortest Path Problem? | | | 2300 | 2.2k |
| 843C | Upgrading Tree | | | 2600 | 416 |
| 843D | Dynamic Shortest Path | | | 3400 | 1.2k |
| 843E | Maximum Flow | | | 3000 | 617 |
| 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 |
| 839E | Mother of Dragons | | | 2700 | 1.1k |
| 835F | Roads in the Kingdom | | | 2500 | 1.3k |
| 832D | Misha, Grisha and Underground | | | 1900 | 4.7k |
| 830D | Singer House | | | 2800 | 1k |
| 830E | Perpetual Motion Machine | | | 3100 | 373 |
| 827D | Best Edge Weight | | | 2700 | 1.5k |
| 827F | Dirty Arkady's Kitchen | | | 3200 | 604 |
| 825E | Minimal Labels | | | 2300 | 4.4k |
| 825G | Tree Queries | | | 2500 | 1.5k |
| 821D | Okabe and City | | | 2200 | 1.8k |
| 819E | Mister B and Flight to the Moon | | | 2800 | 639 |
| 818G | Four Melodies | | | 2600 | 1.1k |
| 814E | An unavoidable detour for home | | | 2600 | 848 |
| 813C | The Tag Game | | | 1700 | 8.5k |
| 813F | Bipartite Checking | | | 2500 | 1.8k |
| 812D | Sagheer and Kindergarten | | | 2700 | 383 |
| 811D | Vladik and Favorite Game | | | 2100 | 1.9k |
| 811E | Vladik and Entertaining Flags | | | 2600 | 1k |
| 808F | Card Game | | | 2400 | 1.7k |
| 804F | Fake bullions | | | 3400 | 221 |
| 803E | Roma and Poker | | | 2000 | 2.7k |
| 802A3 | Heidi and Library (hard) | | | 2600 | 701 |
| 802J1 | Send the Fool Further! (easy) | | | 1400 | 6.7k |
| 802M2 | April Fools' Problem (medium) | | | 2400 | 1.5k |
| 798E | Mike and code of a permutation | | | 3000 | 558 |
| 796D | Police Stations | | | 2100 | 7.8k |
| 794D | Labelling Cities | | | 2400 | 946 |
| 793B | Igor and his way to work | | | 1600 | 4.9k |
| 793D | Presents in Bankopolis | | | 2100 | 1.7k |
| 788B | Weird journey | | | 2100 | 3k |
| 788C | The Great Mixing | | | 2300 | 2.7k |
| 786B | Legacy | | | 2300 | 8.4k |
| 786E | ALT | | | 3200 | 849 |