| 1804E | Routing | | | 2400 | 1.7k |
| 1804H | Code Lock | | | 3300 | 276 |
| 1799H | Tree Cutting | | | 3200 | 478 |
| 1789F | Serval and Brain Power | | | 2700 | 1k |
| 1780F | Three Chairs | | | 2300 | 2k |
| 1779F | Xorcerer's Stones | | | 2500 | 1.5k |
| 1777D | Score of a Tree | | | 1900 | 4.9k |
| 1773G | Game of Questions | | | 2800 | 560 |
| 1770F | Koxia and Sequence | | | 3100 | 1k |
| 1767E | Algebra Flash | | | 2500 | 1.3k |
| 1743G | Antifibonacci Cut | | | 3000 | 381 |
| 1741G | Kirill and Company | | | 2200 | 2k |
| 1739E | Cleaning Robot | | | 2400 | 1.5k |
| 1739F | Keyboard Design | | | 2600 | 671 |
| 1734F | Zeros and Ones | | | 2500 | 1k |
| 1730F | Almost Sorted | | | 2700 | 791 |
| 1728G | Illumination | | | 2700 | 669 |
| 1720D1 | Xor-Subsequence (easy version) | | | 1800 | 6.8k |
| 1720D2 | Xor-Subsequence (hard version) | | | 2400 | 2.3k |
| 1716E | Swap and Maximum Block | | | 2500 | 1.4k |
| 1713F | Lost Array | | | 2900 | 771 |
| 1710C | XOR Triangle | | | 2500 | 1.7k |
| 1709F | Multiset of Strings | | | 2500 | 729 |
| 1707F | Bugaboo | | | 3500 | 186 |
| 1703G | Good Key, Bad Key | | | 1600 | 13k |
| 1680E | Moving Chips | | | 2000 | 4.4k |
| 1679E | Typical Party in Dorm | | | 2400 | 1.5k |
| 1679F | Formalism for Formalism | | | 2600 | 813 |
| 1670F | Jee, You See? | | | 2400 | 1.3k |
| 1661B | Getting Zero | | | 1300 | 21.1k |
| 1646C | Factorials and Powers of Two | | | 1500 | 20.5k |
| 1635D | Infinite Set | | | 1800 | 7.1k |
| 1632C | Strange Test | | | 1600 | 14.2k |
| 1620G | Subsequences Galore | | | 2400 | 1.2k |
| 1616H | Keep XOR Low | | | 3000 | 1.4k |
| 1614C | Divan and bitwise operations | | | 1500 | 11.4k |
| 1609E | William The Oblivious | | | 2400 | 2.5k |
| 1598F | RBS | | | 2400 | 1.7k |
| 1592C | Bakry and Partitioning | | | 1700 | 9.3k |
| 1584F | Strange LCS | | | 2600 | 1.2k |
| 1582F1 | Korney Korneevich and XOR (easy version) | | | 1800 | 6.7k |
| 1571E | Fix the String | | | 1700 | 376 |
| 1567C | Carrying Conundrum | | | 1600 | 13.3k |
| 1566B | MIN-MEX Cut | | | 800 | 21.4k |
| 1566C | MAX-MEX Cut | | | 1000 | 19.2k |
| 1560F2 | Nearest Beautiful Number (hard version) | | | 2100 | 5.1k |
| 1557C | Moamen and XOR | | | 1700 | 10.9k |
| 1556F | Sports Betting | | | 2500 | 1.5k |
| 1553C | Penalty | | | 1200 | 20k |
| 1552D | Array Differentiation | | | 1800 | 8k |
| 1550E | Stringforces | | | 2500 | 1.9k |
| 1533H | Submatrices | | | unrated | 92 |
| 1530F | Bingo | | | 2600 | 1.2k |
| 1523D | Love-Hate | | | 2400 | 2.5k |
| 1523F | Favorite Game | | | 3300 | 530 |
| 1519F | Chests and Keys | | | 3200 | 797 |
| 1516B | AGAGA XOOORRR | | | 1500 | 26.6k |
| 1516C | Baby Ehab Partitions Again | | | 1700 | 14.5k |
| 1511G | Chips on a Board | | | 2700 | 988 |
| 1498F | Christmas Game | | | 2500 | 1.1k |
| 1497D | Genius | | | 2500 | 1.8k |
| 1491D | Zookeeper and The Infinite Zoo | | | 1800 | 8.5k |
| 1463F | Max Correct Set | | | 3100 | 796 |
| 1450G | Communism | | | 3500 | 409 |
| 1446C | Xor Tree | | | 2100 | 4.2k |
| 1430G | Yet Another DAG Problem | | | 2600 | 949 |
| 1423J | Bubble Cup hypothesis | | | 2400 | 915 |
| 1416C | XOR Inverse | | | 2000 | 5.2k |
| 1400G | Mercenaries | | | 2600 | 1.2k |
| 1395C | Boboniu and Bit Operations | | | 1600 | 15.4k |
| 1392G | Omkar and Pies | | | 2900 | 733 |
| 1391D | 505 | | | 2000 | 5.8k |
| 1385D | a-Good String | | | 1500 | 22.3k |
| 1383B | GameGame | | | 1900 | 5.6k |
| 1383C | String Transformation 2 | | | 3100 | 718 |
| 1360F | Spy-string | | | 1700 | 13.7k |
| 1342F | Make It Ascending | | | 3000 | 1.1k |
| 1340B | Nastya and Scoreboard | | | 1700 | 8.4k |
| 1327F | AND Segments | | | 2500 | 2.1k |
| 1327G | Letters and Question Marks | | | 2800 | 592 |
| 1326F1 | Wise Men (Easy Version) | | | 2600 | 1.1k |
| 1326F2 | Wise Men (Hard Version) | | | 3200 | 726 |
| 1322D | Reality Show | | | 2800 | 910 |
| 1316E | Team Building | | | 2300 | 5.7k |
| 1313D | Happy New Year | | | 2500 | 1.6k |
| 1305G | Kuroni and Antihype | | | 3500 | 1.5k |
| 1299D | Around the World | | | 3000 | 652 |
| 1292F | Nora's Toy Boxes | | | 3500 | 427 |
| 1288D | Minimax Problem | | | 2000 | 8.7k |
| 1285D | Dr. Evil Underscores | | | 1900 | 8.7k |
| 1245F | Daniel and Spring Cleaning | | | 2300 | 2.3k |
| 1242C | Sum Balance | | | 2400 | 2k |
| 1238E | Keyboard Purchase | | | 2200 | 3.6k |
| 1234F | Yet Another Substring Reverse | | | 2200 | 3k |
| 1225G | To Make 1 | | | 3100 | 665 |
| 1221G | Graph And Numbers | | | 2900 | 988 |
| 1215E | Marbles | | | 2200 | 3.6k |
| 1209E1 | Rotate Columns (easy version) | | | 2000 | 3.3k |
| 1209E2 | Rotate Columns (hard version) | | | 2500 | 2.4k |
| 1208F | Bits And Pieces | | | 2600 | 3.5k |