| 842D | Vitya and Strange Lesson | | | 2000 | 4.6k |
| 840B | Leha and another game about graph | | | 2100 | 2.9k |
| 840D | Destiny | | | 2500 | 4.2k |
| 838B | Diverging Directions | | | 2100 | 1.1k |
| 837G | Functions On The Segments | | | 2500 | 994 |
| 834B | The Festive Evening | | | 1100 | 9.4k |
| 833B | The Bakery | | | 2200 | 6.8k |
| 833D | Red-Black Cobweb | | | 2800 | 527 |
| 833E | Caramel Clouds | | | 3400 | 304 |
| 830B | Cards Sorting | | | 1600 | 3.1k |
| 830C | Bamboo Partition | | | 2300 | 1.3k |
| 827A | String Reconstruction | | | 1700 | 4.4k |
| 827C | DNA Evolution | | | 2100 | 1.8k |
| 827D | Best Edge Weight | | | 2700 | 1.5k |
| 827F | Dirty Arkady's Kitchen | | | 3200 | 604 |
| 825E | Minimal Labels | | | 2300 | 4.4k |
| 821C | Okabe and Boxes | | | 1500 | 8k |
| 819B | Mister B and PR Shifts | | | 1900 | 1.8k |
| 818D | Multicolored Cars | | | 1700 | 3.8k |
| 818E | Card Game Again | | | 1900 | 2.7k |
| 817D | Imbalanced Array | | | 1900 | 6.6k |
| 817E | Choosing The Commander | | | 2000 | 3.9k |
| 817F | MEX Queries | | | 2300 | 3.5k |
| 816B | Karen and Coffee | | | 1400 | 29.3k |
| 815D | Karen and Cards | | | 2800 | 857 |
| 813E | Army Creation | | | 2200 | 3.3k |
| 813F | Bipartite Checking | | | 2500 | 1.8k |
| 811E | Vladik and Entertaining Flags | | | 2600 | 1k |
| 809D | Hitchhiking in the Baltic States | | | 2900 | 1.2k |
| 808B | Average Sleep Time | | | 1300 | 16.2k |
| 808D | Array Division | | | 1900 | 8.4k |
| 803G | Periodic RMQ Problem | | | 2300 | 1.9k |
| 802A2 | Heidi and Library (medium) | | | 1800 | 1.3k |
| 802M3 | April Fools' Problem (hard) | | | 2900 | 1.3k |
| 799B | T-shirt buying | | | 1400 | 10.3k |
| 799C | Fountains | | | 1800 | 4.1k |
| 799E | Aquarium decoration | | | 2500 | 1.1k |
| 799F | Beautiful fountains rows | | | 3500 | 612 |
| 799G | Cut the pie | | | 3500 | 161 |
| 798E | Mike and code of a permutation | | | 3000 | 558 |
| 797C | Minimal string | | | 1700 | 10.2k |
| 797D | Broken BST | | | 2100 | 2.3k |
| 797E | Array Queries | | | 2000 | 5.8k |
| 797F | Mice and Holes | | | 2600 | 1.5k |
| 796C | Bank Hacking | | | 1900 | 3.2k |
| 796F | Sequence Recovery | | | 2800 | 451 |
| 794F | Leha and security system | | | 2800 | 1.1k |
| 793F | Julia the snail | | | 3000 | 848 |
| 793G | Oleg and chess | | | 3400 | 519 |
| 792F | Mages and Monsters | | | 3100 | 385 |
| 788E | New task | | | 2900 | 438 |
| 786B | Legacy | | | 2300 | 8.4k |
| 786C | Till I Collapse | | | 2400 | 3.9k |
| 786D | Rap God | | | 3400 | 174 |
| 786E | ALT | | | 3200 | 849 |
| 785E | Anton and Permutation | | | 2200 | 2.3k |
| 780G | Andryusha and Nervous Barriers | | | 2700 | 792 |
| 777B | Game of Credit Cards | | | 1300 | 10k |
| 777C | Alyona and Spreadsheet | | | 1600 | 6.9k |
| 777E | Hanoi Factory | | | 2000 | 4.9k |
| 776C | Molly's Chemicals | | | 1800 | 6.3k |
| 776F | Sherlock's bet to Moriarty | | | 2800 | 544 |
| 774B | Significant Cups | | | 2100 | 328 |
| 773E | Blog Post Rating | | | 3000 | 588 |
| 768G | The Winds of Winter | | | 3300 | 479 |
| 767A | Snacktower | | | 1100 | 23k |
| 767D | Cartons of milk | | | 2100 | 2.4k |
| 766D | Mahmoud and a Dictionary | | | 2000 | 4k |
| 766E | Mahmoud and a xor trip | | | 2100 | 3.6k |
| 765F | Souvenirs | | | 3100 | 2.7k |
| 763D | Timofey and a flat tree | | | 2900 | 682 |
| 763E | Timofey and our friends animals | | | 2900 | 623 |
| 762E | Radio stations | | | 2200 | 1.7k |
| 761F | Dasha and Photos | | | 2600 | 752 |
| 757C | Felicity is Coming! | | | 1900 | 2.5k |
| 757F | Team Rocket Rises Again | | | 2800 | 1.5k |
| 757G | Can Bash Save the Day? | | | 3400 | 660 |
| 756C | Nikita and stack | | | 2200 | 1.5k |
| 755B | PolandBall and Game | | | 1100 | 13k |
| 755D | PolandBall and Polygon | | | 2000 | 2.7k |
| 754D | Fedor and coupons | | | 2100 | 2.7k |
| 750D | New Year and Fireworks | | | 1900 | 3.2k |
| 750E | New Year and Old Subsequence | | | 2600 | 2k |
| 749D | Leaving Auction | | | 2000 | 2.8k |
| 749E | Inversions After Shuffle | | | 2400 | 1.3k |
| 748D | Santa Claus and a Palindrome | | | 2100 | 2.1k |
| 748E | Santa Claus and Tangerines | | | 2100 | 1.7k |
| 746F | Music in Car | | | 2200 | 929 |
| 741D | Arpa’s letter-marked tree and Mehrdad’s Dokhtar-kosh paths | | | 2900 | 3.8k |
| 741E | Arpa’s abnormal DNA and Mehrdad’s deep interest | | | 3400 | 238 |
| 739B | Alyona and a tree | | | 1900 | 5.2k |
| 739C | Alyona and towers | | | 2500 | 1.8k |
| 739E | Gosha is hunting | | | 3000 | 2.8k |
| 733D | Kostya the Sculptor | | | 1600 | 4.4k |
| 733E | Sleep in Class | | | 2400 | 1.1k |
| 733F | Drivers Dissatisfaction | | | 2200 | 1.4k |
| 731D | 80-th Level Archeology | | | 2200 | 1.3k |
| 731F | Video Cards | | | 1900 | 3.2k |
| 730L | Expression Queries | | | 3200 | 202 |
| 729E | Subordinates | | | 1900 | 2.4k |