| 1513B | AND Sequences | | | 1400 | 21k |
| 1511G | Chips on a Board | | | 2700 | 988 |
| 1508C | Complete the MST | | | 2500 | 1.8k |
| 1500C | Matrix Sorting | | | 2600 | 983 |
| 1498B | Box Fitting | | | 1300 | 24.6k |
| 1498F | Christmas Game | | | 2500 | 1.1k |
| 1497D | Genius | | | 2500 | 1.8k |
| 1494A | ABC String | | | 900 | 23k |
| 1494B | Berland Crossword | | | 1400 | 15.4k |
| 1493E | Enormous XOR | | | 2600 | 1.1k |
| 1493F | Enchanted Matrix | | | 2600 | 525 |
| 1492D | Genius's Gambit | | | 1900 | 6.5k |
| 1491D | Zookeeper and The Infinite Zoo | | | 1800 | 8.5k |
| 1479C | Continuous City | | | 2500 | 1.5k |
| 1479D | Odd Mineral Resource | | | 2900 | 1.4k |
| 1476E | Pattern Matching | | | 2300 | 2.8k |
| 1470B | Strange Definition | | | 1900 | 6.8k |
| 1469E | A Bit Similar | | | 2400 | 2.2k |
| 1466E | Apollo versus Pan | | | 1800 | 8.5k |
| 1466F | Euclid's nightmare | | | 2100 | 3.1k |
| 1463B | Find The Array | | | 1400 | 21.3k |
| 1463F | Max Correct Set | | | 3100 | 796 |
| 1451E1 | Bitwise Queries (Easy Version) | | | 2000 | 5.6k |
| 1451E2 | Bitwise Queries (Hard Version) | | | 2300 | 4k |
| 1450G | Communism | | | 3500 | 415 |
| 1446C | Xor Tree | | | 2100 | 4.2k |
| 1439E | Cheat and Win | | | 3500 | 302 |
| 1438D | Powerful Ksenia | | | 2200 | 4.6k |
| 1438E | Yurii Can Do Everything | | | 2500 | 1.5k |
| 1430G | Yet Another DAG Problem | | | 2600 | 949 |
| 1427E | Xum | | | 2500 | 1.7k |
| 1423I | Lookup Tables | | | 3000 | 282 |
| 1423J | Bubble Cup hypothesis | | | 2400 | 915 |
| 1421A | XORwice | | | 800 | 36.6k |
| 1420B | Rock and Lever | | | 1200 | 37.7k |
| 1416C | XOR Inverse | | | 2000 | 5.2k |
| 1415D | XOR-gun | | | 2000 | 6.3k |
| 1411E | Poman Numbers | | | 2300 | 1.9k |
| 1411G | No Game No Life | | | 2700 | 952 |
| 1401F | Reverse and Swap | | | 2400 | 2k |
| 1400G | Mercenaries | | | 2600 | 1.2k |
| 1398G | Running Competition | | | 2600 | 1.3k |
| 1395C | Boboniu and Bit Operations | | | 1600 | 15.4k |
| 1392E | Omkar and Duck | | | 2100 | 3.8k |
| 1392G | Omkar and Pies | | | 2900 | 734 |
| 1391D | 505 | | | 2000 | 5.8k |
| 1386C | Joker | | | 2800 | 699 |
| 1385D | a-Good String | | | 1500 | 22.3k |
| 1383B | GameGame | | | 1900 | 5.6k |
| 1383C | String Transformation 2 | | | 3100 | 718 |
| 1368D | AND, OR and square sum | | | 1700 | 14.2k |
| 1365G | Secure Password | | | 2800 | 1.5k |
| 1364E | X-OR | | | 2700 | 1.7k |
| 1362B | Johnny and His Hobbies | | | 1200 | 21.3k |
| 1362C | Johnny and Another Rating Drop | | | 1400 | 24.7k |
| 1361C | Johnny and Megan's Necklace | | | 2500 | 2.1k |
| 1360F | Spy-string | | | 1700 | 13.7k |
| 1360H | Binary Median | | | 2100 | 4.9k |
| 1342F | Make It Ascending | | | 3000 | 1.1k |
| 1340B | Nastya and Scoreboard | | | 1700 | 8.4k |
| 1338B | Edge Weight Assignment | | | 1800 | 9.7k |
| 1338C | Perfect Triples | | | 2200 | 3.5k |
| 1336E1 | Chiori and Doll Picking (easy version) | | | 2700 | 904 |
| 1336E2 | Chiori and Doll Picking (hard version) | | | 3500 | 707 |
| 1334G | Substring Search | | | 2900 | 468 |
| 1332D | Walk on Matrix | | | 1700 | 8.5k |
| 1331C | ...And after happily lived ever they | | | unrated | 3.2k |
| 1329B | Dreamoon Likes Sequences | | | 1700 | 7.2k |
| 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 | 727 |
| 1325D | Ehab the Xorcist | | | 1700 | 13.8k |
| 1322B | Present | | | 2100 | 4.7k |
| 1322D | Reality Show | | | 2800 | 910 |
| 1316E | Team Building | | | 2300 | 5.7k |
| 1313D | Happy New Year | | | 2500 | 1.6k |
| 1312C | Adding Powers | | | 1400 | 18.5k |
| 1305G | Kuroni and Antihype | | | 3500 | 1.5k |
| 1303D | Fill The Bag | | | 1900 | 7.9k |
| 1302F | Keep talking and nobody explodes -- easy | | | unrated | 77 |
| 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 |
| 1270C | Make Good | | | 1400 | 15.2k |
| 1261F | Xor-Set | | | 3100 | 515 |
| 1257F | Make Them Similar | | | 2400 | 2.4k |
| 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 |
| 1225C | p-binary | | | 1600 | 9.9k |
| 1225G | To Make 1 | | | 3100 | 665 |
| 1221G | Graph And Numbers | | | 2900 | 988 |
| 1220D | Alex and Julian | | | 1900 | 4.2k |
| 1217C | The Number Of Good Substrings | | | 1700 | 7.9k |
| 1215E | Marbles | | | 2200 | 3.6k |
| 1214G | Feeling Good | | | 3200 | 429 |
| 1209E1 | Rotate Columns (easy version) | | | 2000 | 3.3k |