| 1338B | Edge Weight Assignment | | | 1800 | 9.7k |
| 1338C | Perfect Triples | | | 2200 | 3.5k |
| 1336E1 | Chiori and Doll Picking (easy version) | | | 2700 | 902 |
| 1336E2 | Chiori and Doll Picking (hard version) | | | 3500 | 706 |
| 1332D | Walk on Matrix | | | 1700 | 8.5k |
| 1329B | Dreamoon Likes Sequences | | | 1700 | 7.2k |
| 1326F2 | Wise Men (Hard Version) | | | 3200 | 726 |
| 1322B | Present | | | 2100 | 4.7k |
| 1312C | Adding Powers | | | 1400 | 18.5k |
| 1299D | Around the World | | | 3000 | 652 |
| 1270C | Make Good | | | 1400 | 15.2k |
| 1261F | Xor-Set | | | 3100 | 515 |
| 1225C | p-binary | | | 1600 | 9.9k |
| 1220D | Alex and Julian | | | 1900 | 4.2k |
| 1207E | XOR Guessing | | | 1900 | 6.7k |
| 1166E | The LCMs Must be Large | | | 2100 | 3k |
| 1163E | Magical Permutation | | | 2400 | 1.1k |
| 1152B | Neko Performs Cat Furrier Transform | | | 1300 | 9.4k |
| 1144E | Median String | | | 1900 | 4.5k |
| 1117E | Decypher the String | | | 2200 | 1.7k |
| 1114F | Please, another Queries on Array? | | | 2400 | 2.6k |
| 1073E | Segment Sum | | | 2300 | 3.8k |
| 1043F | Make It One | | | 2500 | 3.1k |
| 1034E | Little C Loves 3 III | | | 3200 | 819 |
| 1033F | Boolean Computer | | | 2800 | 500 |
| 1027G | X-mouse in the Campus | | | 2600 | 386 |
| 1016G | Appropriate Team | | | 2700 | 364 |
| 1007B | Pave the Parallelepiped | | | 2400 | 1.1k |
| 979D | Kuro and GCD and XOR and SUM | | | 2200 | 2.3k |
| 959E | Mahmoud and Ehab and the xor-MST | | | 1900 | 3.8k |
| 959F | Mahmoud and Ehab and yet another xor task | | | 2400 | 3k |
| 920G | List Of Integers | | | 2200 | 2.1k |
| 916B | Jamie and Binary Sequence (changed after round) | | | 2000 | 2k |
| 914G | Sum the Fibonacci | | | 2600 | 1.3k |
| 908E | New Year and Entity Enumeration | | | 2500 | 871 |
| 900D | Unusual Sequences | | | 2000 | 3.9k |
| 895C | Square Subsets | | | 2000 | 7.6k |
| 865F | Egg Roulette | | | 3300 | 81 |
| 850E | Random Elections | | | 2800 | 570 |
| 766E | Mahmoud and a xor trip | | | 2100 | 3.6k |
| 734F | Anton and School | | | 2500 | 1.4k |
| 724G | Xor-matic Number of the Graph | | | 2600 | 1.6k |
| 698C | LRU | | | 2400 | 1.5k |
| 678E | Another Sith Tournament | | | 2200 | 2.8k |
| 662A | Gambling Nim | | | 2400 | 683 |
| 662C | Binary Table | | | 2600 | 2.6k |
| 633G | Yash And Trees | | | 2800 | 933 |
| 581D | Three Logos | | | 1700 | 4.9k |
| 547C | Mike and Foam | | | 2300 | 3.5k |
| 525E | Anya and Cubes | | | 2100 | 4.4k |
| 513B2 | Permutations | | | 1800 | 2.9k |
| 510D | Fox And Jumping | | | 1900 | 6.5k |
| 476B | Dreamoon and WiFi | | | 1300 | 38k |
| 441E | Valera and Number | | | 2400 | 835 |
| 431D | Random Task | | | 2100 | 3k |
| 388B | Fox and Minimal path | | | 1900 | 2.6k |
| 276D | Little Girl and Maximum XOR | | | 1700 | 16.8k |
| 251D | Two Sets | | | 2700 | 743 |
| 241B | Friends | | | 2700 | 1k |
| 232B | Table | | | 1900 | 1.7k |
| 217D | Bitonix' Patrol | | | 2900 | 282 |
| 76C | Mutation | | | 2700 | 389 |