| 1847B | Hamon Odyssey | | | 1000 | 22.5k |
| 1847C | Vampiric Powers, anyone? | | | 1400 | 15k |
| 1847F | The Boss's Identity | | | 2500 | 1.1k |
| 1846G | Rudolf and CodeVid-23 | | | 1900 | 5.9k |
| 1842B | Tenzing and Books | | | 1100 | 27.2k |
| 1829C | Mr. Perfectly Fine | | | 800 | 32.9k |
| 1807G2 | Subsequence Addition (Hard Version) | | | 1100 | 29.4k |
| 1789F | Serval and Brain Power | | | 2700 | 1k |
| 1788F | XOR, Tree, and Queries | | | 2500 | 1.2k |
| 1787E | The Harmonization of XOR | | | 2100 | 2.8k |
| 1763A | Absolute Maximization | | | 800 | 17.1k |
| 1742G | Orray | | | 1500 | 13.7k |
| 1732C1 | Sheikh (Easy version) | | | 1800 | 7.9k |
| 1732C2 | Sheikh (Hard Version) | | | 2100 | 3.2k |
| 1722G | Even-Odd XOR | | | 1500 | 14.5k |
| 1721D | Maximum AND | | | 1800 | 7.8k |
| 1715D | 2+ doors | | | 1900 | 6.2k |
| 1710C | XOR Triangle | | | 2500 | 1.7k |
| 1709E | XOR Tree | | | 2400 | 4.2k |
| 1705E | Mark and Professor Koro | | | 2300 | 2.5k |
| 1703G | Good Key, Bad Key | | | 1600 | 13k |
| 1696A | NIT orz! | | | 800 | 20.4k |
| 1688B | Patchouli's Magical Talisman | | | 800 | 19.2k |
| 1680E | Moving Chips | | | 2000 | 4.4k |
| 1673F | Anti-Theft Road Planning | | | 2400 | 980 |
| 1669H | Maximal AND | | | 1300 | 31.1k |
| 1665E | MinimizOR | | | 2500 | 1.9k |
| 1661B | Getting Zero | | | 1300 | 21.1k |
| 1659B | Bit Flipping | | | 1300 | 12.1k |
| 1654F | Minimal String Xoration | | | 2800 | 1.5k |
| 1641D | Two Arrays | | | 2700 | 1.6k |
| 1635A | Min Or Sum | | | 800 | 26.4k |
| 1625A | Ancient Civilization | | | 800 | 18.4k |
| 1624G | MinOr Tree | | | 1900 | 7.9k |
| 1622E | Math Test | | | 2200 | 2.3k |
| 1615B | And It's Non-Zero | | | 1300 | 18.1k |
| 1605D | Treelabeling | | | 2100 | 3.3k |
| 1601A | Array Elimination | | | 1300 | 22.3k |
| 1599J | Bob's Beautiful Array | | | 2600 | 352 |
| 1592E | Bored Bakry | | | 2400 | 2k |
| 1584F | Strange LCS | | | 2600 | 1.2k |
| 1582F1 | Korney Korneevich and XOR (easy version) | | | 1800 | 6.7k |
| 1571E | Fix the String | | | 1700 | 376 |
| 1567B | MEXor Mixup | | | 1000 | 34.9k |
| 1566B | MIN-MEX Cut | | | 800 | 21.4k |
| 1566C | MAX-MEX Cut | | | 1000 | 19.2k |
| 1560F1 | Nearest Beautiful Number (easy version) | | | 1900 | 6.8k |
| 1560F2 | Nearest Beautiful Number (hard version) | | | 2100 | 5.1k |
| 1554B | Cobb | | | 1700 | 13.9k |
| 1554C | Mikasa | | | 1800 | 9.9k |
| 1553C | Penalty | | | 1200 | 20k |
| 1547D | Co-growing Sequence | | | 1300 | 18.8k |
| 1543E | The Final Pursuit | | | 2700 | 499 |
| 1516B | AGAGA XOOORRR | | | 1500 | 26.6k |
| 1508C | Complete the MST | | | 2500 | 1.8k |
| 1500C | Matrix Sorting | | | 2600 | 983 |
| 1498B | Box Fitting | | | 1300 | 24.6k |
| 1494B | Berland Crossword | | | 1400 | 15.4k |
| 1493E | Enormous XOR | | | 2600 | 1.1k |
| 1492D | Genius's Gambit | | | 1900 | 6.5k |
| 1491D | Zookeeper and The Infinite Zoo | | | 1800 | 8.5k |
| 1466F | Euclid's nightmare | | | 2100 | 3.1k |
| 1463B | Find The Array | | | 1400 | 21.3k |
| 1421A | XORwice | | | 800 | 36.6k |
| 1416C | XOR Inverse | | | 2000 | 5.2k |
| 1411E | Poman Numbers | | | 2300 | 1.9k |
| 1395C | Boboniu and Bit Operations | | | 1600 | 15.4k |
| 1391D | 505 | | | 2000 | 5.8k |
| 1383B | GameGame | | | 1900 | 5.6k |
| 1368D | AND, OR and square sum | | | 1700 | 14.2k |
| 1362C | Johnny and Another Rating Drop | | | 1400 | 24.7k |
| 1340B | Nastya and Scoreboard | | | 1700 | 8.4k |
| 1338B | Edge Weight Assignment | | | 1800 | 9.7k |
| 1325D | Ehab the Xorcist | | | 1700 | 13.8k |
| 1316E | Team Building | | | 2300 | 5.7k |
| 1312C | Adding Powers | | | 1400 | 18.5k |
| 1303D | Fill The Bag | | | 1900 | 7.9k |
| 1285D | Dr. Evil Underscores | | | 1900 | 8.7k |
| 1225G | To Make 1 | | | 3100 | 665 |
| 1209E1 | Rotate Columns (easy version) | | | 2000 | 3.3k |
| 1209E2 | Rotate Columns (hard version) | | | 2500 | 2.4k |
| 1208F | Bits And Pieces | | | 2600 | 3.5k |
| 1202A | You Are Given Two Binary Strings... | | | 1100 | 10.9k |
| 1095C | Powers Of Two | | | 1400 | 20.1k |
| 1009G | Allowed Letters | | | 2400 | 1.1k |
| 981D | Bookshelves | | | 1900 | 3.6k |
| 979D | Kuro and GCD and XOR and SUM | | | 2200 | 2.3k |
| 960C | Subsequence Counting | | | 1700 | 4.2k |
| 938F | Erasing Substrings | | | 2700 | 673 |
| 916B | Jamie and Binary Sequence (changed after round) | | | 2000 | 2k |
| 913C | Party Lemonade | | | 1600 | 8.5k |
| 796F | Sequence Recovery | | | 2800 | 451 |
| 755F | PolandBall and Gifts | | | 2600 | 2k |
| 437B | The Child and Set | | | 1500 | 10.5k |
| 429C | Guess the Tree | | | 2300 | 1.1k |
| 425B | Sereja and Table | | | 2200 | 1.4k |
| 417D | Cunning Gena | | | 1900 | 3k |
| 356D | Bags and Coins | | | 2700 | 1.1k |
| 309C | Memory for Arrays | | | 1900 | 1.5k |
| 276D | Little Girl and Maximum XOR | | | 1700 | 16.8k |