| 1004B | Sonya and Exhibition | | | 1300 | 10k |
| 1004C | Sonya and Robots | | | 1400 | 7.9k |
| 1004D | Sonya and Matrix | | | 2300 | 1.5k |
| 1004E | Sonya and Ice Cream | | | 2400 | 1.3k |
| 1004F | Sonya and Bitwise OR | | | 2600 | 985 |
| 1003A | Polycarp's Pockets | | | 800 | 30.4k |
| 1003B | Binary String Constructing | | | 1300 | 12.3k |
| 1003C | Intense Heat | | | 1300 | 11.6k |
| 1003D | Coins and Queries | | | 1600 | 8.7k |
| 1003E | Tree Constructing | | | 2100 | 3.2k |
| 1003F | Abbreviation | | | 2200 | 1.6k |
| 1002A1 | Generate superposition of all basis states | | | 800 | 940 |
| 1002A2 | Generate superposition of zero state and a basis state | | | 1300 | 571 |
| 1002A3 | Generate superposition of two basis states | | | 1500 | 484 |
| 1002A4 | Generate W state | | | 1900 | 274 |
| 1002B1 | Distinguish zero state and W state | | | 1300 | 490 |
| 1002B2 | Distinguish GHZ state and W state | | | 1600 | 456 |
| 1002B3 | Distinguish four 2-qubit states | | | 1600 | 421 |
| 1002B4 | Distinguish four 2-qubit states - 2 | | | 1700 | 317 |
| 1002C1 | Distinguish zero state and plus state with minimum error | | | 1700 | 309 |
| 1002C2 | Distinguish zero state and plus state without errors | | | 1800 | 273 |
| 1002D1 | Oracle for f(x) = b * x mod 2 | | | 1200 | 420 |
| 1002D2 | Oracle for f(x) = b * x + (1 - b) * (1 - x) mod 2 | | | 1300 | 395 |
| 1002D3 | Oracle for majority function | | | 1600 | 341 |
| 1002E1 | Bernstein-Vazirani algorithm | | | 1500 | 329 |
| 1002E2 | Another array reconstruction algorithm | | | 1900 | 211 |
| 1001A | Generate plus state or minus state | | | 1100 | 1k |
| 1001B | Generate Bell state | | | 1400 | 724 |
| 1001C | Generate GHZ state | | | 1400 | 667 |
| 1001D | Distinguish plus state and minus state | | | 1400 | 698 |
| 1001E | Distinguish Bell states | | | 1600 | 568 |
| 1001F | Distinguish multi-qubit basis states | | | 1300 | 551 |
| 1001G | Oracle for f(x) = k-th element of x | | | 1400 | 553 |
| 1001H | Oracle for f(x) = parity of the number of 1s in x | | | 1200 | 547 |
| 1001I | Deutsch-Jozsa algorithm | | | 1700 | 413 |
| 1000A | Codehorses T-shirts | | | 1200 | 9.5k |
| 1000B | Light It Up | | | 1500 | 6.2k |
| 1000C | Covered Points Count | | | 1700 | 8.7k |
| 1000D | Yet Another Problem On a Subsequence | | | 1900 | 5.2k |
| 1000E | We Need More Bosses | | | 2100 | 7k |
| 1000F | One Occurrence | | | 2400 | 5.1k |
| 1000G | Two-Paths | | | 2700 | 792 |
| 999A | Mishka and Contest | | | 800 | 25.5k |
| 999B | Reversing Encryption | | | 900 | 19.6k |
| 999C | Alphabetic Removals | | | 1200 | 21.3k |
| 999D | Equalize the Remainders | | | 1900 | 5k |
| 999E | Reachability from the Capital | | | 2000 | 8.1k |
| 999F | Cards and Joy | | | 2000 | 3.4k |
| 998A | Balloons | | | 1000 | 10.2k |
| 998B | Cutting | | | 1200 | 14.5k |
| 997A | Convert to Ones | | | 1500 | 8.7k |
| 997B | Roman Digits | | | 2000 | 3.2k |
| 997C | Sky Full of Stars | | | 2500 | 2.3k |
| 997D | Cycles in product | | | 2900 | 856 |
| 997E | Good Subsegments | | | 3000 | 1.8k |
| 996A | Hit the Lottery | | | 800 | 122.2k |
| 996B | World Cup | | | 1300 | 10k |
| 995A | Tesla | | | 2100 | 1.9k |
| 995B | Suit and Tie | | | 1400 | 7.5k |
| 995C | Leaving the Bar | | | 2300 | 2.1k |
| 995D | Game | | | 2500 | 975 |
| 995E | Number Clicker | | | 2700 | 978 |
| 995F | Cowmpany Cowmpensation | | | 2700 | 1.8k |
| 994A | Fingerprints | | | 800 | 15.3k |
| 994B | Knights of a Polygonal Table | | | 1400 | 6.1k |
| 993A | Two Squares | | | 1600 | 4.6k |
| 993B | Open Communication | | | 1900 | 2.1k |
| 993C | Careful Maneuvering | | | 2100 | 1.8k |
| 993D | Compute Power | | | 2500 | 866 |
| 993E | Nikita and Order Statistics | | | 2300 | 1.9k |
| 993F | The Moral Dilemma | | | 3200 | 146 |
| 992A | Nastya and an Array | | | 800 | 14.4k |
| 992B | Nastya Studies Informatics | | | 1600 | 6.8k |
| 992C | Nastya and a Wardrobe | | | 1600 | 4.9k |
| 992D | Nastya and a Game | | | 2100 | 2k |
| 992E | Nastya and King-Shamans | | | 2500 | 1.8k |
| 991A | If at first you don't succeed... | | | 1000 | 11.3k |
| 991B | Getting an A | | | 900 | 13.8k |
| 991C | Candies | | | 1500 | 11.7k |
| 991D | Bishwock | | | 1500 | 7.8k |
| 991E | Bus Number | | | 1800 | 3.7k |
| 991F | Concise and clear | | | 2700 | 414 |
| 990A | Commentary Boxes | | | 1000 | 11.3k |
| 990B | Micro-World | | | 1200 | 8.7k |
| 990C | Bracket Sequences Concatenation Problem | | | 1500 | 6.3k |
| 990D | Graph And Its Complement | | | 1700 | 4.1k |
| 990E | Post Lamps | | | 2100 | 2.2k |
| 990F | Flow Control | | | 2400 | 1.1k |
| 990G | GCD Counting | | | 2400 | 2.4k |
| 989A | A Blend of Springtime | | | 900 | 11.2k |
| 989B | A Tide of Riverscape | | | 1200 | 7.3k |
| 989C | A Mist of Florescence | | | 1800 | 4.1k |
| 989D | A Shade of Moonlight | | | 2500 | 625 |
| 989E | A Trance of Nightfall | | | 2700 | 350 |
| 988A | Diverse Team | | | 800 | 29k |
| 988B | Substrings Sort | | | 1100 | 20.5k |
| 988C | Equal Sums | | | 1400 | 11.3k |
| 988D | Points and Powers of Two | | | 1800 | 8.1k |
| 988E | Divisibility by 25 | | | 2100 | 4.5k |
| 988F | Rain and Umbrellas | | | 2100 | 2.8k |