| 1185G1 | Playlist for Polycarp (easy version) | | | 2100 | 3.3k |
| 1168C | And Reachability | | | 2200 | 2.8k |
| 1152F1 | Neko Rules the Catniverse (Small Version) | | | 2800 | 836 |
| 1152F2 | Neko Rules the Catniverse (Large Version) | | | 3000 | 1.1k |
| 1151B | Dima and a Bad XOR | | | 1600 | 13.1k |
| 1117F | Crisp String | | | 2500 | 704 |
| 1105E | Helping Hiasat | | | 2200 | 2k |
| 1103D | Professional layer | | | 3100 | 555 |
| 1102F | Elongated Matrix | | | 2000 | 2.4k |
| 1097B | Petr and a Combination Lock | | | 1200 | 37.1k |
| 1097H | Mateusz and an Infinite Sequence | | | 3400 | 250 |
| 1073E | Segment Sum | | | 2300 | 3.8k |
| 1051D | Bicolorings | | | 1700 | 8.3k |
| 1043F | Make It One | | | 2500 | 3.1k |
| 1042B | Vitamins | | | 1200 | 19.6k |
| 1038E | Maximum Matching | | | 2400 | 1.1k |
| 1034E | Little C Loves 3 III | | | 3200 | 819 |
| 1030E | Vasya and Good Sequences | | | 2000 | 3.4k |
| 1006F | Xor-Paths | | | 2100 | 7.2k |
| 981D | Bookshelves | | | 1900 | 3.6k |
| 981E | Addition on Segments | | | 2200 | 2.6k |
| 979D | Kuro and GCD and XOR and SUM | | | 2200 | 2.3k |
| 959E | Mahmoud and Ehab and the xor-MST | | | 1900 | 3.8k |
| 959F | Mahmoud and Ehab and yet another xor task | | | 2400 | 3k |
| 938F | Erasing Substrings | | | 2700 | 673 |
| 914G | Sum the Fibonacci | | | 2600 | 1.3k |
| 913C | Party Lemonade | | | 1600 | 8.5k |
| 913E | Logical Expression | | | 2400 | 905 |
| 908E | New Year and Entity Enumeration | | | 2500 | 871 |
| 906C | Party | | | 2400 | 1.6k |
| 903F | Clear The Matrix | | | 2200 | 795 |
| 900D | Unusual Sequences | | | 2000 | 3.9k |
| 895C | Square Subsets | | | 2000 | 7.6k |
| 868C | Qualification Rounds | | | 1500 | 5.1k |
| 868D | Huge Strings | | | 2200 | 1k |
| 865E | Hex Dyslexia | | | 3300 | 162 |
| 855E | Salazar Slytherin's Locket | | | 2200 | 2.2k |
| 850C | Arpa and a game with Mojtaba | | | 2200 | 2k |
| 845F | Guards In The Storehouse | | | 2500 | 696 |
| 812B | Sagheer, the Hausmeister | | | 1600 | 5.6k |
| 780F | Axel and Marston in Bitland | | | 2400 | 1.3k |
| 776G | Sherlock and the Encrypted Data | | | 2900 | 410 |
| 772D | Varying Kibibits | | | 2700 | 859 |
| 768E | Game of Stones | | | 2100 | 3.7k |
| 766E | Mahmoud and a xor trip | | | 2100 | 3.6k |
| 757D | Felicity's Big Secret Revealed | | | 2200 | 1.6k |
| 755F | PolandBall and Gifts | | | 2600 | 2k |
| 750G | New Year and Binary Tree Paths | | | 3200 | 617 |
| 744C | Hongcow Buys a Deck of Cards | | | 2400 | 1.4k |
| 743E | Vladik and cards | | | 2200 | 1.7k |
| 698C | LRU | | | 2400 | 1.5k |
| 678E | Another Sith Tournament | | | 2200 | 2.8k |
| 662C | Binary Table | | | 2600 | 2.6k |
| 599E | Sandy and Nuts | | | 2600 | 814 |
| 582E | Boolean Function | | | 3000 | 685 |
| 580D | Kefa and Dishes | | | 1800 | 12.4k |
| 547C | Mike and Foam | | | 2300 | 3.5k |
| 543C | Remembering Strings | | | 2500 | 1.6k |
| 534F | Simplified Nonogram | | | 2400 | 556 |
| 525E | Anya and Cubes | | | 2100 | 4.4k |
| 510D | Fox And Jumping | | | 1900 | 6.5k |
| 482C | Game with Strings | | | 2600 | 1k |
| 476B | Dreamoon and WiFi | | | 1300 | 38k |
| 453B | Little Pony and Harmony Chest | | | 2000 | 5.6k |
| 449D | Jzzhu and Numbers | | | 2400 | 6.4k |
| 441E | Valera and Number | | | 2400 | 835 |
| 431D | Random Task | | | 2100 | 3k |
| 429C | Guess the Tree | | | 2300 | 1.1k |
| 417D | Cunning Gena | | | 1900 | 3k |
| 413D | 2048 | | | 2000 | 936 |
| 401D | Roman and Numbers | | | 2000 | 4.7k |
| 385D | Bear and Floodlight | | | 2200 | 972 |
| 379D | New Year Letter | | | 2000 | 1.7k |
| 377C | Captains Mode | | | 2200 | 1.4k |
| 356D | Bags and Coins | | | 2700 | 1.1k |
| 354B | Game with Strings | | | 2400 | 527 |
| 342D | Xenia and Dominoes | | | 2100 | 585 |
| 336E | Vasily the Bear and Painting Square | | | 2700 | 158 |
| 327E | Axis Walking | | | 2300 | 1.6k |
| 285D | Permutation Sum | | | 1900 | 1.7k |
| 279D | The Minimum Number of Variables | | | 2200 | 883 |
| 276D | Little Girl and Maximum XOR | | | 1700 | 16.8k |
| 232B | Table | | | 1900 | 1.7k |
| 232E | Quick Tortoise | | | 3000 | 1k |
| 201D | Brand New Problem | | | 2600 | 493 |
| 165E | Compatible Numbers | | | 2200 | 9.8k |
| 152E | Garden | | | 2500 | 610 |
| 111C | Petya and Spiders | | | 2100 | 1.6k |
| 107C | Arrangement | | | 2400 | 503 |
| 83E | Two Subsequences | | | 2800 | 585 |
| 79D | Password | | | 2800 | 1.4k |
| 76C | Mutation | | | 2700 | 389 |
| 71E | Nuclear Fusion | | | 2200 | 983 |
| 63E | Sweets Game | | | 2000 | 888 |
| 53E | Dead Ends | | | 2500 | 1.3k |
| 16E | Fish | | | 1900 | 6.8k |
| 11D | A Simple Task | | | 2200 | 6.7k |
| 8C | Looking for Order | | | 2000 | 4.4k |