| 1083A | The Fair Nut and the Best Path | | | 1800 | 6.4k |
| 1083E | The Fair Nut and Rectangles | | | 2400 | 5.9k |
| 1077F2 | Pictures with Kittens (hard version) | | | 2100 | 4.4k |
| 1063F | String Journey | | | 3300 | 1.1k |
| 1061C | Multiplicity | | | 1700 | 11k |
| 1059E | Split the Tree | | | 2400 | 1.7k |
| 1051E | Vasya and Big Integers | | | 2600 | 1.3k |
| 1041F | Ray in the tube | | | 2500 | 1.7k |
| 1039D | You Are Given a Tree | | | 2800 | 2.4k |
| 1004E | Sonya and Ice Cream | | | 2400 | 1.3k |
| 1000G | Two-Paths | | | 2700 | 792 |
| 985E | Pencils and Boxes | | | 2100 | 4.3k |
| 981E | Addition on Segments | | | 2200 | 2.6k |
| 981H | K Paths | | | 3100 | 453 |
| 979D | Kuro and GCD and XOR and SUM | | | 2200 | 2.3k |
| 965E | Short Code | | | 2200 | 2k |
| 961B | Lecture Sleep | | | 1200 | 27.1k |
| 960F | Pathwalks | | | 2100 | 3.5k |
| 958C3 | Encryption (hard) | | | 2500 | 782 |
| 946G | Almost Increasing Array | | | 2500 | 837 |
| 940E | Cashback | | | 2000 | 4.5k |
| 939F | Cutlet | | | 2400 | 1.3k |
| 932F | Escape Through Leaf | | | 2700 | 4.3k |
| 930C | Teodor is not a liar! | | | 1900 | 2.4k |
| 930E | Coins Exhibition | | | 2900 | 553 |
| 924C | Riverside Curio | | | 1700 | 4.3k |
| 900E | Maximum Questions | | | 2100 | 1.4k |
| 893D | Credit Card | | | 1900 | 3.4k |
| 875E | Delivery Club | | | 2600 | 1k |
| 873E | Awards For Contestants | | | 2300 | 817 |
| 855B | Marvolo Gaunt's Ring | | | 1500 | 10k |
| 846C | Four Segments | | | 1800 | 3k |
| 845D | Driving Test | | | 1800 | 2.6k |
| 840B | Leha and another game about graph | | | 2100 | 2.9k |
| 833B | The Bakery | | | 2200 | 6.8k |
| 833E | Caramel Clouds | | | 3400 | 304 |
| 827F | Dirty Arkady's Kitchen | | | 3200 | 604 |
| 809D | Hitchhiking in the Baltic States | | | 2900 | 1.2k |
| 797E | Array Queries | | | 2000 | 5.8k |
| 797F | Mice and Holes | | | 2600 | 1.5k |
| 796C | Bank Hacking | | | 1900 | 3.2k |
| 793F | Julia the snail | | | 3000 | 848 |
| 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 |
| 766D | Mahmoud and a Dictionary | | | 2000 | 4k |
| 766E | Mahmoud and a xor trip | | | 2100 | 3.6k |
| 761F | Dasha and Photos | | | 2600 | 752 |
| 750D | New Year and Fireworks | | | 1900 | 3.2k |
| 750E | New Year and Old Subsequence | | | 2600 | 2k |
| 739E | Gosha is hunting | | | 3000 | 2.8k |
| 720D | Slalom | | | 3100 | 337 |
| 708C | Centroids | | | 2300 | 4.5k |
| 696D | Legen... | | | 2500 | 1.7k |
| 689E | Mike and Geometry Problem | | | 2000 | 2.3k |
| 685B | Kay and Snowflake | | | 1900 | 5.6k |
| 677D | Vanya and Treasure | | | 2300 | 2.1k |
| 675E | Trains and Statistic | | | 2300 | 3.4k |
| 671D | Roads in Yusland | | | 2900 | 1.4k |
| 665F | Four Divisors | | | 2400 | 836 |
| 650D | Zip-line | | | 2600 | 1.7k |
| 637D | Running with Obstacles | | | 1600 | 2.1k |
| 633C | Spy Syndrome 2 | | | 1900 | 3.4k |
| 631E | Product Sum | | | 2600 | 3.4k |
| 629D | Babaei and Birthday Cake | | | 2000 | 4.6k |
| 629E | Famil Door and Roads | | | 2300 | 1.2k |
| 626G | Raffles | | | 3100 | 813 |
| 601E | A Museum Robbery | | | 2800 | 1.2k |
| 597C | Subsequences | | | 1900 | 6.9k |
| 577B | Modulo Sum | | | 1900 | 15.6k |
| 573B | Bear and Blocks | | | 1600 | 6.4k |
| 573D | Bear and Cavalry | | | 3000 | 831 |
| 568E | Longest Increasing Subsequence | | | 3000 | 680 |
| 567C | Geometric Progression | | | 1700 | 10.6k |
| 557C | Arthur and Table | | | 1900 | 4.3k |
| 557E | Ann and Half-Palindrome | | | 2300 | 1.3k |
| 547B | Mike and Feet | | | 1900 | 11.4k |
| 533D | Landmarks | | | 3000 | 329 |
| 527D | Clique Problem | | | 1800 | 5.1k |
| 522B | Photo to Remember | | | 1100 | 9.6k |
| 519D | A and B and Interesting Substrings | | | 1800 | 6.9k |
| 519E | A and B and Lecture Rooms | | | 2100 | 8.9k |
| 500E | New Year Domino | | | 2300 | 1.6k |
| 498D | Traffic Jams in the Land | | | 2400 | 1.3k |
| 494D | Birthday | | | 2700 | 712 |
| 490F | Treeland Tour | | | 2200 | 2k |
| 487B | Strip | | | 2000 | 4.4k |
| 486E | LIS of Sequence | | | 2200 | 2.7k |
| 484D | Kindergarten | | | 2400 | 3.1k |
| 474E | Pillars | | | 2000 | 4.4k |
| 467E | Alex and Complicated Task | | | 2300 | 879 |
| 466C | Number of Ways | | | 1700 | 42.8k |
| 436F | Banners | | | 3000 | 597 |
| 425C | Sereja and Two Sequences | | | 2300 | 1k |
| 424D | Biathlon Track | | | 2300 | 639 |
| 385C | Bear and Prime Numbers | | | 1700 | 10.8k |
| 375B | Maximum Submatrix 2 | | | 1600 | 5.5k |
| 374D | Inna and Sequence | | | 2000 | 1k |
| 372C | Watching Fireworks is Fun | | | 2100 | 5.1k |