| 788B | Weird journey | | | 2100 | 2.9k |
| 778C | Peterson Polyglot | | | 2500 | 1k |
| 776D | The Door Problem | | | 2000 | 6.5k |
| 771A | Bear and Friendship Condition | | | 1500 | 18.1k |
| 766D | Mahmoud and a Dictionary | | | 2000 | 4k |
| 765D | Artsem and Saunders | | | 1700 | 2.6k |
| 763A | Timofey and a tree | | | 1600 | 12.1k |
| 763E | Timofey and our friends animals | | | 2900 | 623 |
| 755C | PolandBall and Forest | | | 1300 | 15.4k |
| 750H | New Year and Snowy Grid | | | 3500 | 262 |
| 741B | Arpa's weak amphitheater and Mehrdad's valuable Hoses | | | 1600 | 6k |
| 733F | Drivers Dissatisfaction | | | 2200 | 1.4k |
| 731C | Socks | | | 1600 | 8k |
| 723D | Lakes in Berland | | | 1600 | 7.6k |
| 723F | st-Spanning Tree | | | 2300 | 1.8k |
| 722C | Destroying Array | | | 1600 | 11.8k |
| 715C | Digit Tree | | | 2700 | 2.7k |
| 698B | Fix a Tree | | | 1700 | 6.2k |
| 696E | ...Wait for it... | | | 3000 | 751 |
| 691D | Swaps in Permutation | | | 1700 | 6.7k |
| 687D | Dividing Kingdom II | | | 2500 | 1.2k |
| 679C | Bear and Square Grid | | | 2400 | 1.3k |
| 670E | Correct Bracket Sequence Editor | | | 1700 | 3.5k |
| 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 |
| 650E | Clockwork Bomb | | | 3200 | 1.1k |
| 627F | Island Puzzle | | | 3400 | 271 |
| 609E | Minimum spanning tree for each edge | | | 2100 | 10.7k |
| 603B | Moodular Arithmetic | | | 1800 | 2.7k |
| 603E | Pastoral Oddities | | | 3000 | 1.6k |
| 601D | Acyclic Organic Compounds | | | 2400 | 1.3k |
| 600E | Lomsat gelral | | | 2300 | 19.2k |
| 571D | Campus | | | 3100 | 1.2k |
| 566D | Restructuring Company | | | 1900 | 4.1k |
| 553C | Love Triangles | | | 2200 | 2k |
| 547B | Mike and Feet | | | 1900 | 11.4k |
| 516D | Drazil and Morning Exercise | | | 2800 | 1.6k |
| 515B | Drazil and His Happy Friends | | | 1300 | 7.8k |
| 506D | Mr. Kitayuta's Colorful Graph | | | 2400 | 2.6k |
| 505B | Mr. Kitayuta's Colorful Graph | | | 1400 | 15.2k |
| 501B | Misha and Changing Handles | | | 1100 | 19.8k |
| 500B | New Year Permutation | | | 1600 | 9.7k |
| 500E | New Year Domino | | | 2300 | 1.6k |
| 490B | Queue | | | 1500 | 6.5k |
| 472D | Design Tutorial: Inverse the Problem | | | 1900 | 6.7k |
| 471E | MUH and Lots and Lots of Segments | | | 2700 | 113 |
| 468B | Two Sets | | | 2000 | 5.5k |
| 466E | Information Graph | | | 2100 | 2.7k |
| 461D | Appleman and Complicated Task | | | 2800 | 440 |
| 455C | Civilization | | | 2100 | 6.6k |
| 452E | Three strings | | | 2400 | 1.2k |
| 445B | DZY Loves Chemistry | | | 1400 | 15.4k |
| 444E | DZY Loves Planting | | | 2700 | 886 |
| 441D | Valera and Swaps | | | 2100 | 1.3k |
| 437D | The Child and Zoo | | | 1900 | 3.7k |
| 436C | Dungeons and Candies | | | 1800 | 2.9k |
| 433D | Nanami's Digital Board | | | 2000 | 1.3k |
| 409H | A + B Strikes Back | | | 1500 | 9.6k |
| 400D | Dima and Bacteria | | | 2000 | 3.3k |
| 374E | Inna and Babies | | | 2600 | 245 |
| 371D | Vessels | | | 1800 | 6.6k |
| 366D | Dima and Trap Graph | | | 2000 | 1.8k |
| 362D | Fools and Foolproof Roads | | | 2100 | 1.1k |
| 358E | Dima and Kicks | | | 2300 | 446 |
| 356A | Knight Tournament | | | 1500 | 17.2k |
| 325D | Reclamation | | | 2900 | 600 |
| 325E | The Red Button | | | 2800 | 998 |
| 313E | Ilya and Two Numbers | | | 2300 | 631 |
| 292D | Connected Components | | | 1900 | 2.8k |
| 277A | Learning Languages | | | 1400 | 22.1k |
| 260D | Black and White Tree | | | 2100 | 1.7k |
| 228E | The Road to Berland is Paved With Good Intentions | | | 1900 | 2.9k |
| 217A | Ice Skating | | | 1200 | 25.1k |
| 217E | Alien DNA | | | 2800 | 360 |
| 212D | Cutting a Fence | | | 2500 | 664 |
| 209C | Trails and Glades | | | 2400 | 922 |
| 196E | Opening Portals | | | 2600 | 1.3k |
| 195E | Building Forest | | | 2000 | 910 |
| 190E | Counter Attack | | | 2100 | 1.8k |
| 187C | Weak Memory | | | 2000 | 1.6k |
| 177C1 | Party | | | 1500 | 3k |
| 177C2 | Party | | | 1500 | 3.1k |
| 165D | Beard Graph | | | 2100 | 2k |
| 160D | Edges in MST | | | 2300 | 3.5k |
| 141E | Clearing Up | | | 2300 | 1.4k |
| 111C | Petya and Spiders | | | 2100 | 1.6k |
| 109C | Lucky Tree | | | 1900 | 4.2k |
| 105D | Entertaining Geodetics | | | 2700 | 149 |
| 103B | Cthulhu | | | 1500 | 11k |
| 97E | Leaders | | | 2200 | 452 |
| 95E | Lucky Country | | | 2500 | 2.1k |
| 91C | Ski Base | | | 2300 | 1k |
| 87D | Beautiful Road | | | 2300 | 1.1k |
| 85E | Guard Towers | | | 2600 | 1.1k |
| 81E | Pairs | | | 2700 | 460 |
| 77C | Beavermuncher-0xFF | | | 2100 | 1.3k |
| 76A | Gift | | | 2200 | 2.5k |