| 1511F | Chainword | | | 2700 | 598 |
| 1511G | Chips on a Board | | | 2700 | 988 |
| 1506G | Maximize the Remaining String | | | 2000 | 4.9k |
| 1503C | Travelling Salesman Problem | | | 2200 | 3.9k |
| 1498C | Planar Reflections | | | 1600 | 12.5k |
| 1498F | Christmas Game | | | 2500 | 1.1k |
| 1497E1 | Square-Free Division (easy version) | | | 1700 | 9.2k |
| 1497E2 | Square-Free Division (hard version) | | | 2500 | 2k |
| 1495F | Squares | | | 3300 | 533 |
| 1492C | Maximum width | | | 1500 | 17.6k |
| 1491C | Pekora and Trampoline | | | 1700 | 8.4k |
| 1488E | Palindromic Doubles | | | 2200 | 236 |
| 1486D | Max Median | | | 2100 | 10.1k |
| 1486F | Pairs of Paths | | | 2600 | 875 |
| 1485F | Copy or Prefix Sum | | | 2400 | 2.4k |
| 1482E | Skyline Photo | | | 2100 | 3.9k |
| 1481E | Sorting Books | | | 2500 | 2.5k |
| 1479B1 | Painting the Array I | | | 1900 | 7.5k |
| 1479B2 | Painting the Array II | | | 2100 | 4.5k |
| 1476F | Lanterns | | | 3000 | 1.2k |
| 1474D | Cleaning | | | 2200 | 4.4k |
| 1473D | Program | | | 1700 | 11.1k |
| 1472E | Correct Placement | | | 1700 | 9.1k |
| 1470E | Strange Permutation | | | 3200 | 981 |
| 1468A | LaIS | | | 2200 | 2k |
| 1467E | Distinctive Roots in a Tree | | | 2500 | 1.8k |
| 1455G | Forbidden Value | | | 2900 | 512 |
| 1446C | Xor Tree | | | 2100 | 4.2k |
| 1442D | Sum | | | 2800 | 3k |
| 1437E | Make It Increasing | | | 2200 | 4k |
| 1428F | Fruit Sequences | | | 2400 | 2.6k |
| 1420C2 | Pokémon Army (hard version) | | | 2100 | 5.3k |
| 1416C | XOR Inverse | | | 2000 | 5.2k |
| 1416E | Split | | | 3200 | 546 |
| 1408D | Searchlights | | | 2000 | 4.7k |
| 1407D | Discrete Centrifugal Jumps | | | 2200 | 6k |
| 1400E | Clear the Multiset | | | 2200 | 6.5k |
| 1399F | Yet Another Segments Subset | | | 2300 | 1.9k |
| 1398C | Good Subarrays | | | 1600 | 38.6k |
| 1398F | Controversial Rounds | | | 2500 | 1.5k |
| 1389F | Bicolored Segments | | | 2600 | 1.3k |
| 1383E | Strange Operation | | | 2800 | 1.1k |
| 1380F | Strange Addition | | | 2600 | 943 |
| 1379C | Choosing flowers | | | 2000 | 6.2k |
| 1367F2 | Flying Sort (Hard Version) | | | 2400 | 2k |
| 1366G | Construct the String | | | 2700 | 649 |
| 1359D | Yet Another Yet Another Task | | | 2000 | 10.9k |
| 1335E1 | Three Blocks Palindrome (easy version) | | | 1700 | 11.8k |
| 1335E2 | Three Blocks Palindrome (hard version) | | | 1800 | 9.5k |
| 1334F | Strange Function | | | 2500 | 1.6k |
| 1327F | AND Segments | | | 2500 | 2.1k |
| 1320A | Journey Planning | | | 1400 | 22.7k |
| 1320E | Treeland and Viruses | | | 3000 | 1.1k |
| 1313C1 | Skyscrapers (easy version) | | | 1500 | 11.2k |
| 1313C2 | Skyscrapers (hard version) | | | 1900 | 7.5k |
| 1312G | Autocompletion | | | 2600 | 1.2k |
| 1304F1 | Animal Observation (easy version) | | | 2300 | 2k |
| 1304F2 | Animal Observation (hard version) | | | 2400 | 1.9k |
| 1301E | Nanosoft | | | 2500 | 1.7k |
| 1296E2 | String Coloring (hard version) | | | 2000 | 5.5k |
| 1285E | Delete a Segment | | | 2300 | 2k |
| 1284B | New Year and Ascent Sequence | | | 1400 | 11.6k |
| 1278C | Berry Jam | | | 1700 | 8.8k |
| 1271D | Portals | | | 2100 | 3.5k |
| 1265E | Beautiful Mirrors | | | 2100 | 4.7k |
| 1263F | Economic Difficulties | | | 2400 | 982 |
| 1257D | Yet Another Monster Killing Problem | | | 1700 | 8.2k |
| 1257E | The Contest | | | 2000 | 4.7k |
| 1253E | Antenna Coverage | | | 2200 | 3.2k |
| 1252D | Find String in a Grid | | | 3000 | 496 |
| 1251E1 | Voting (Easy Version) | | | 2300 | 2.6k |
| 1237G | Balanced Distribution | | | 3500 | 168 |
| 1236E | Alice and the Unfair Game | | | 2500 | 785 |
| 1223F | Stack Exterminable Arrays | | | 2600 | 2.3k |
| 1216F | Wi-Fi | | | 2100 | 3.2k |
| 1202C | You Are Given a WASD-string... | | | 2100 | 2.8k |
| 1200D | White Lines | | | 1900 | 4.4k |
| 1200F | Graph Traveler | | | 2300 | 1.2k |
| 1197E | Culture Code | | | 2300 | 1.9k |
| 1196D2 | RGB Substring (hard version) | | | 1600 | 10.5k |
| 1193B | Magic Tree | | | unrated | 510 |
| 1189C | Candies! | | | 1400 | 11.1k |
| 1179D | Fedor Runs for President | | | 2700 | 1.1k |
| 1175E | Minimal Segment Cover | | | 2200 | 4.7k |
| 1175G | Yet Another Partiton Problem | | | 3000 | 859 |
| 1155D | Beautiful Array | | | 1900 | 7.9k |
| 1151E | Number of Components | | | 2100 | 3.8k |
| 1142B | Lynyrd Skynyrd | | | 2000 | 4k |
| 1132G | Greedy Subsequences | | | 2400 | 1.3k |
| 1131G | Most Dangerous Shark | | | 2700 | 571 |
| 1129C | Morse Code | | | 2400 | 1k |
| 1129D | Isolation | | | 2900 | 1.4k |
| 1120F | Secret Letters | | | 3100 | 330 |
| 1119F | Niyaz and Small Degrees | | | 3400 | 964 |
| 1111E | Tree | | | 2500 | 1.2k |
| 1107G | Vasya and Maximum Profit | | | 2400 | 1.3k |
| 1106E | Lunar New Year and Red Envelopes | | | 2100 | 2.9k |
| 1101D | GCD Counting | | | 2000 | 5.5k |
| 1099F | Cookies | | | 2400 | 1.1k |
| 1085G | Beautiful Matrix | | | 2900 | 1k |