| 1731F | Function Sum | | | 2500 | 924 |
| 1729G | Cut Substrings | | | 2100 | 2.6k |
| 1728G | Illumination | | | 2700 | 669 |
| 1725E | Electrical Efficiency | | | 2500 | 640 |
| 1716F | Bags with Balls | | | 2500 | 1.5k |
| 1713F | Lost Array | | | 2900 | 771 |
| 1707D | Partial Virtual Trees | | | 3000 | 997 |
| 1704H1 | Game of AI (easy version) | | | 3200 | 346 |
| 1697E | Coloring | | | 2400 | 1.5k |
| 1696H | Maximum Product? | | | 3500 | 215 |
| 1691F | K-Set Tree | | | 2500 | 1.2k |
| 1679E | Typical Party in Dorm | | | 2400 | 1.5k |
| 1671E | Preorder | | | 2100 | 3.3k |
| 1671F | Permutation Counting | | | 2700 | 514 |
| 1670F | Jee, You See? | | | 2400 | 1.3k |
| 1667E | Centroid Probabilities | | | 3000 | 938 |
| 1666F | Fancy Stack | | | 2200 | 1.6k |
| 1663D | Is it rated - 3 | | | unrated | 1.5k |
| 1657E | Star MST | | | 2200 | 2.5k |
| 1654H | Three Minimums | | | 3500 | 108 |
| 1628D1 | Game on Sum (Easy Version) | | | 2100 | 3.8k |
| 1628D2 | Game on Sum (Hard Version) | | | 2400 | 2.7k |
| 1626F | A Random Code Problem | | | 2800 | 922 |
| 1620G | Subsequences Galore | | | 2400 | 1.2k |
| 1616H | Keep XOR Low | | | 3000 | 1.4k |
| 1615F | LEGOndary Grandmaster | | | 2800 | 1.2k |
| 1614C | Divan and bitwise operations | | | 1500 | 11.4k |
| 1610D | Not Quite Lee | | | 2000 | 3.1k |
| 1608F | MEX counting | | | 3200 | 913 |
| 1606E | Arena | | | 2100 | 4.3k |
| 1605F | PalindORme | | | 2900 | 436 |
| 1603E | A Perfect Problem | | | 3200 | 670 |
| 1603F | October 18, 2017 | | | 2700 | 402 |
| 1598E | Staircases | | | 2100 | 2.5k |
| 1585F | Non-equal Neighbours | | | 2400 | 1.7k |
| 1580B | Mathematics Curriculum | | | 2600 | 1.4k |
| 1574F | Occurrences | | | 2700 | 786 |
| 1567C | Carrying Conundrum | | | 1600 | 13.3k |
| 1559E | Mocha and Stars | | | 2200 | 2.8k |
| 1557C | Moamen and XOR | | | 1700 | 10.9k |
| 1556F | Sports Betting | | | 2500 | 1.5k |
| 1553I | Stairs | | | 3400 | 369 |
| 1551F | Equidistant Vertices | | | 2200 | 2.2k |
| 1548C | The Three Little Pigs | | | 2500 | 2.1k |
| 1542D | Priority Queue | | | 2200 | 3k |
| 1542E1 | Abnormal Permutation Pairs (easy version) | | | 2400 | 1.5k |
| 1542E2 | Abnormal Permutation Pairs (hard version) | | | 2700 | 1.1k |
| 1540B | Tree Array | | | 2300 | 3.1k |
| 1534C | Little Alawn's Puzzle | | | 1300 | 14k |
| 1530F | Bingo | | | 2600 | 1.2k |
| 1528B | Kavi on Pairing Duty | | | 1700 | 10.9k |
| 1528E | Mashtali and Hagh Trees | | | 2900 | 640 |
| 1525E | Assimilation IV | | | 2100 | 2.5k |
| 1523E | Crypto Lights | | | 2600 | 2k |
| 1517F | Reunion | | | 3200 | 702 |
| 1516E | Baby Ehab Plays with Permutations | | | 2500 | 1.1k |
| 1515E | Phoenix and Computers | | | 2200 | 4.6k |
| 1511E | Colorings and Dominoes | | | 2100 | 2.9k |
| 1503E | 2-Coloring | | | 3100 | 910 |
| 1499E | Chaotic Merge | | | 2400 | 1.7k |
| 1499F | Diameter Cuts | | | 2400 | 1.7k |
| 1487G | String Counting | | | 2700 | 745 |
| 1486F | Pairs of Paths | | | 2600 | 875 |
| 1485F | Copy or Prefix Sum | | | 2400 | 2.4k |
| 1473G | Tiles | | | 2800 | 499 |
| 1470E | Strange Permutation | | | 3200 | 981 |
| 1467D | Sum of Paths | | | 2200 | 4.1k |
| 1466H | Finding satisfactory solutions | | | 3300 | 682 |
| 1452D | Radio Towers | | | 1600 | 8.8k |
| 1439D | INOI Final Contests | | | 3100 | 564 |
| 1437F | Emotional Fishermen | | | 2600 | 1.7k |
| 1426F | Number of Subsequences | | | 2000 | 6.4k |
| 1425D | Danger of Mad Snakes | | | 2300 | 925 |
| 1422C | Bargain | | | 1700 | 8.9k |
| 1408G | Clusterization Counting | | | 2700 | 1.4k |
| 1403C | Chess Rush | | | 3200 | 95 |
| 1402C | Star Trek | | | 2600 | 271 |
| 1400G | Mercenaries | | | 2600 | 1.2k |
| 1392H | ZS Shuffles Cards | | | 3000 | 1.2k |
| 1391C | Cyclic Permutations | | | 1500 | 16.1k |
| 1383E | Strange Operation | | | 2800 | 1.1k |
| 1371E2 | Asterism (Hard Version) | | | 2300 | 2.5k |
| 1366E | Two Arrays | | | 2100 | 4.7k |
| 1327E | Count The Blocks | | | 1800 | 9.8k |
| 1327F | AND Segments | | | 2500 | 2.1k |
| 1307E | Cow and Treats | | | 2500 | 1.5k |
| 1299D | Around the World | | | 3000 | 652 |
| 1295F | Good Contest | | | 2700 | 1.6k |
| 1292C | Xenon's Attack on the Gangs | | | 2300 | 2.4k |
| 1292F | Nora's Toy Boxes | | | 3500 | 427 |
| 1288C | Two Arrays | | | 1600 | 15.7k |
| 1284B | New Year and Ascent Sequence | | | 1400 | 11.6k |
| 1279E | New Year Permutations | | | 2700 | 483 |
| 1278F | Cards | | | 2600 | 2.7k |
| 1272C | Yet Another Broken Keyboard | | | 1200 | 31.3k |
| 1271E | Common Number | | | 2100 | 3.8k |
| 1264D1 | Beautiful Bracket Sequence (easy version) | | | 2600 | 1.6k |
| 1245F | Daniel and Spring Cleaning | | | 2300 | 2.3k |
| 1239A | Ivan the Fool and the Probability Theory | | | 1700 | 7.8k |
| 1238D | AB-string | | | 1900 | 6.5k |