| 1221E | Game With String | | | 2500 | 1.2k |
| 1221F | Choose a Square | | | 2400 | 1.3k |
| 1221G | Graph And Numbers | | | 2900 | 990 |
| 1220A | Cards | | | 800 | 33.1k |
| 1220B | Multiplication Table | | | 1300 | 12.2k |
| 1220C | Substring Game in the Lesson | | | 1300 | 10.8k |
| 1220D | Alex and Julian | | | 1900 | 4.2k |
| 1220E | Tourism | | | 2200 | 3.1k |
| 1220F | Gardener Alex | | | 2700 | 897 |
| 1220G | Geolocation | | | 3400 | 98 |
| 1219C | Periodic integer number | | | 1700 | 2.5k |
| 1219G | Harvester | | | 2000 | 852 |
| 1218A | BubbleReactor | | | 2800 | 186 |
| 1218B | Guarding warehouses | | | 3000 | 175 |
| 1218C | Jumping Transformers | | | 2600 | 262 |
| 1218D | Xor Spanning Tree | | | 2400 | 619 |
| 1218E | Product Tuples | | | 2500 | 530 |
| 1218F | Workout plan | | | 1500 | 3.2k |
| 1218G | Alpha planetary system | | | 3000 | 262 |
| 1218H | Function Composition | | | 2900 | 213 |
| 1218I | The Light Square | | | 2100 | 788 |
| 1217A | Creating a Character | | | 1300 | 15.9k |
| 1217B | Zmei Gorynich | | | 1600 | 11.9k |
| 1217C | The Number Of Good Substrings | | | 1700 | 7.9k |
| 1217D | Coloring Edges | | | 2100 | 6.1k |
| 1217E | Sum Queries? | | | 2300 | 2.1k |
| 1217F | Forced Online Queries Problem | | | 2600 | 745 |
| 1216A | Prefixes | | | 800 | 19.7k |
| 1216B | Shooting | | | 900 | 19.9k |
| 1216C | White Sheet | | | 1700 | 10.5k |
| 1216D | Swords | | | 1300 | 12.4k |
| 1216E1 | Numerical Sequence (easy version) | | | 1900 | 3.8k |
| 1216E2 | Numerical Sequence (hard version) | | | 2200 | 1.7k |
| 1216F | Wi-Fi | | | 2100 | 3.2k |
| 1215A | Yellow Cards | | | 1000 | 12.2k |
| 1215B | The Number of Products | | | 1400 | 19.4k |
| 1215C | Swap Letters | | | 1500 | 12k |
| 1215D | Ticket Game | | | 1700 | 6.6k |
| 1215E | Marbles | | | 2200 | 3.6k |
| 1215F | Radio Stations | | | 2700 | 1.3k |
| 1214A | Optimal Currency Exchange | | | 1400 | 9.5k |
| 1214B | Badges | | | 1100 | 11.5k |
| 1214C | Bad Sequence | | | 1200 | 14.3k |
| 1214D | Treasure Island | | | 1900 | 7.2k |
| 1214E | Petya and Construction Set | | | 2000 | 2.9k |
| 1214F | Employment | | | 2700 | 544 |
| 1214G | Feeling Good | | | 3200 | 429 |
| 1214H | Tiles Placement | | | 2800 | 493 |
| 1213A | Chips Moving | | | 900 | 25.8k |
| 1213B | Bad Prices | | | 1100 | 32.2k |
| 1213C | Book Reading | | | 1200 | 19.8k |
| 1213D1 | Equalizing by Division (easy version) | | | 1500 | 12.2k |
| 1213D2 | Equalizing by Division (hard version) | | | 1600 | 12.3k |
| 1213E | Two Small Strings | | | 1900 | 5.5k |
| 1213F | Unstable String Sort | | | 2100 | 3.1k |
| 1213G | Path Queries | | | 1800 | 9.9k |
| 1211A | Three Problems | | | 1000 | 1.6k |
| 1211B | Traveling Around the Golden Ring of Berland | | | 1500 | 831 |
| 1211C | Ice Cream | | | 1700 | 571 |
| 1211D | Teams | | | 2000 | 254 |
| 1211E | Double Permutation Inc. | | | 2000 | 220 |
| 1211F | kotlinkotlinkotlinkotlin... | | | 2300 | 153 |
| 1211G | King's Path | | | 2500 | 89 |
| 1211H | Road Repair in Treeland | | | 3100 | 60 |
| 1211I | Unusual Graph | | | 3000 | 55 |
| 1210A | Anadi and Domino | | | 1700 | 5.6k |
| 1210B | Marcin and Training Camp | | | 1700 | 6.1k |
| 1210C | Kamil and Making a Stream | | | 2000 | 3.7k |
| 1210D | Konrad and Company Evaluation | | | 2400 | 1.7k |
| 1210E | Wojtek and Card Tricks | | | 2700 | 470 |
| 1210F1 | Marek and Matching (easy version) | | | 3100 | 470 |
| 1210F2 | Marek and Matching (hard version) | | | 3200 | 522 |
| 1210G | Mateusz and Escape Room | | | 3500 | 376 |
| 1209A | Paint the Numbers | | | 800 | 12.9k |
| 1209B | Koala and Lights | | | 1300 | 8.6k |
| 1209C | Paint the Digits | | | 1500 | 7.9k |
| 1209D | Cow and Snacks | | | 1700 | 10.9k |
| 1209E1 | Rotate Columns (easy version) | | | 2000 | 3.3k |
| 1209E2 | Rotate Columns (hard version) | | | 2500 | 2.4k |
| 1209F | Koala and Notebook | | | 2600 | 1.4k |
| 1209G1 | Into Blocks (easy version) | | | 2000 | 4.1k |
| 1209G2 | Into Blocks (hard version) | | | 3200 | 568 |
| 1209H | Moving Walkways | | | 3300 | 328 |
| 1208A | XORinacci | | | 900 | 18.3k |
| 1208B | Uniqueness | | | 1500 | 11.8k |
| 1208C | Magic Grid | | | 1800 | 6.4k |
| 1208D | Restore Permutation | | | 1900 | 5.6k |
| 1208E | Let Them Slide | | | 2200 | 2.2k |
| 1208F | Bits And Pieces | | | 2600 | 3.5k |
| 1208G | Polygons | | | 2800 | 976 |
| 1208H | Red Blue Tree | | | 3500 | 253 |
| 1207A | There Are Two Types Of Burgers | | | 800 | 23.6k |
| 1207B | Square Filling | | | 1200 | 13.8k |
| 1207C | Gas Pipeline | | | 1500 | 10.6k |
| 1207D | Number Of Permutations | | | 1800 | 6.8k |
| 1207E | XOR Guessing | | | 1900 | 6.8k |
| 1207F | Remainder Problem | | | 2100 | 7k |
| 1207G | Indie Album | | | 2700 | 1.3k |
| 1206A | Choose Two Numbers | | | 800 | 26.2k |
| 1206B | Make Product Equal One | | | 900 | 29.8k |