| 1251E2 | Voting (Hard Version) | | | 2400 | 3k |
| 1250C | Trip to Saint Petersburg | | | 2100 | 1.5k |
| 1249D2 | Too Many Segments (hard version) | | | 1800 | 5.9k |
| 1239C | Queue in the Train | | | 2300 | 1.8k |
| 1238G | Adilbek and the Watering System | | | 2700 | 534 |
| 1237B | Balanced Tunnel | | | 1300 | 24.1k |
| 1237D | Balanced Playlist | | | 2000 | 4.9k |
| 1237G | Balanced Distribution | | | 3500 | 168 |
| 1236D | Alice and the Doll | | | 2300 | 1.8k |
| 1236E | Alice and the Unfair Game | | | 2500 | 785 |
| 1234B2 | Social Network (hard version) | | | 1300 | 18.7k |
| 1234D | Distinct Characters Queries | | | 1600 | 19.3k |
| 1227D1 | Optimal Subsequences (Easy Version) | | | 1600 | 6.9k |
| 1227D2 | Optimal Subsequences (Hard Version) | | | 1800 | 4.8k |
| 1223F | Stack Exterminable Arrays | | | 2600 | 2.3k |
| 1221F | Choose a Square | | | 2400 | 1.3k |
| 1220F | Gardener Alex | | | 2700 | 897 |
| 1218B | Guarding warehouses | | | 3000 | 144 |
| 1218F | Workout plan | | | 1500 | 3.2k |
| 1217E | Sum Queries? | | | 2300 | 2.1k |
| 1217F | Forced Online Queries Problem | | | 2600 | 745 |
| 1216F | Wi-Fi | | | 2100 | 3.2k |
| 1214C | Bad Sequence | | | 1200 | 14.3k |
| 1214G | Feeling Good | | | 3200 | 429 |
| 1213B | Bad Prices | | | 1100 | 32.2k |
| 1213F | Unstable String Sort | | | 2100 | 3.1k |
| 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 |
| 1208D | Restore Permutation | | | 1900 | 5.6k |
| 1208E | Let Them Slide | | | 2200 | 2.2k |
| 1208H | Red Blue Tree | | | 3500 | 253 |
| 1207F | Remainder Problem | | | 2100 | 7k |
| 1207G | Indie Album | | | 2700 | 1.3k |
| 1204D2 | Kirk and a Binary String (hard version) | | | 2100 | 3.4k |
| 1202C | You Are Given a WASD-string... | | | 2100 | 2.8k |
| 1200A | Hotelier | | | 800 | 22.1k |
| 1200D | White Lines | | | 1900 | 4.4k |
| 1200F | Graph Traveler | | | 2300 | 1.2k |
| 1198B | Welfare State | | | 1600 | 10.1k |
| 1197E | Culture Code | | | 2300 | 1.9k |
| 1196D2 | RGB Substring (hard version) | | | 1600 | 10.5k |
| 1195E | OpenStreetMap | | | 2100 | 3.6k |
| 1195F | Geometers Anonymous Club | | | 2500 | 1.1k |
| 1194E | Count The Rectangles | | | 2200 | 2.1k |
| 1193B | Magic Tree | | | unrated | 510 |
| 1192B | Dynamic Diameter | | | unrated | 1.6k |
| 1190D | Tokitsukaze and Strange Rectangle | | | 2000 | 2.7k |
| 1189C | Candies! | | | 1400 | 11.1k |
| 1187D | Subarray Sorting | | | 2400 | 3.1k |
| 1185C2 | Exam in BerSU (hard version) | | | 1700 | 7.9k |
| 1184C2 | Heidi and the Turing Test (Medium) | | | 2200 | 797 |
| 1184E3 | Daleks' Invasion (hard) | | | 2400 | 698 |
| 1182C | Beautiful Lyrics | | | 1700 | 4.6k |
| 1182F | Maximum Sine | | | 2700 | 426 |
| 1181D | Irrigation | | | 2200 | 2.9k |
| 1179A | Valeriy and Deque | | | 1500 | 12k |
| 1179C | Serge and Dining Room | | | 2200 | 2.5k |
| 1179D | Fedor Runs for President | | | 2700 | 1.1k |
| 1178G | The Awesomest Vertex | | | 3000 | 655 |
| 1175B | Catch Overflow! | | | 1600 | 12.6k |
| 1175E | Minimal Segment Cover | | | 2200 | 4.7k |
| 1175F | The Number of Subpermutations | | | 2500 | 2.9k |
| 1175G | Yet Another Partiton Problem | | | 3000 | 859 |
| 1172E | Nauuo and ODT | | | 3300 | 373 |
| 1172F | Nauuo and Bug | | | 3300 | 903 |
| 1170D | Decoding of Integer Sequences | | | unrated | 532 |
| 1167E | Range Deleting | | | 2100 | 3k |
| 1167F | Scalar Queries | | | 2300 | 1.9k |
| 1166F | Vicky's Delivery Service | | | 2400 | 848 |
| 1165B | Polycarp Training | | | 1000 | 24.8k |
| 1163B1 | Cat Party (Easy Edition) | | | 1500 | 7.4k |
| 1163B2 | Cat Party (Hard Edition) | | | 1600 | 7.7k |
| 1163C2 | Power Transmission (Hard Edition) | | | 1900 | 4k |
| 1163E | Magical Permutation | | | 2400 | 1.1k |
| 1163F | Indecisive Taxi Fee | | | 3000 | 1.5k |
| 1158C | Permutation recovery | | | 2100 | 2.3k |
| 1157E | Minimum Array | | | 1700 | 9.3k |
| 1156E | Special Segments of Permutation | | | 2200 | 4.2k |
| 1155D | Beautiful Array | | | 1900 | 7.9k |
| 1154E | Two Teams | | | 1800 | 7.1k |
| 1151E | Number of Components | | | 2100 | 3.8k |
| 1149C | Tree Generator™ | | | 2700 | 1.7k |
| 1148H | Holy Diver | | | 3500 | 404 |
| 1146E | Hot is Cold | | | 2400 | 1.1k |
| 1142B | Lynyrd Skynyrd | | | 2000 | 4k |
| 1141F2 | Same Sum Blocks (Hard) | | | 1900 | 4.6k |
| 1140C | Playlist | | | 1600 | 10.5k |
| 1140F | Extending Set of Points | | | 2600 | 1.6k |
| 1140G | Double Tree | | | 2700 | 659 |
| 1139F | Dish Shopping | | | 2500 | 621 |
| 1137E | Train Car Selection | | | 2700 | 647 |
| 1137F | Matches Are Not a Child's Play | | | 3400 | 532 |
| 1136E | Nastya Hasn't Written a Legend | | | 2200 | 1.2k |
| 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 |