| 1461D | Divide and Summarize | | | 1600 | 10.4k |
| 1446C | Xor Tree | | | 2100 | 4.2k |
| 1442D | Sum | | | 2800 | 3k |
| 1439C | Greedy Shopping | | | 2600 | 2.3k |
| 1438E | Yurii Can Do Everything | | | 2500 | 1.5k |
| 1428F | Fruit Sequences | | | 2400 | 2.6k |
| 1425B | Blue and Red of Our Faculty! | | | 2600 | 380 |
| 1423C | Dušan's Railway | | | 3500 | 222 |
| 1423H | Virus | | | 2500 | 669 |
| 1420C2 | Pokémon Army (hard version) | | | 2100 | 5.3k |
| 1418G | Three Occurrences | | | 2500 | 2.9k |
| 1416C | XOR Inverse | | | 2000 | 5.2k |
| 1408F | Two Different | | | 2300 | 2.7k |
| 1400E | Clear the Multiset | | | 2200 | 6.5k |
| 1386C | Joker | | | 2800 | 698 |
| 1385D | a-Good String | | | 1500 | 22.3k |
| 1379E | Inverse Genealogy | | | 2800 | 538 |
| 1379F2 | Chess Strikes Back (hard version) | | | 2800 | 624 |
| 1375H | Set Merging | | | 3300 | 536 |
| 1373D | Maximum Sum on Even Positions | | | 1600 | 18.1k |
| 1373G | Pawns | | | 2600 | 972 |
| 1372F | Omkar and Modes | | | 2700 | 511 |
| 1371F | Raging Thunder | | | 2800 | 746 |
| 1364E | X-OR | | | 2700 | 1.7k |
| 1338C | Perfect Triples | | | 2200 | 3.5k |
| 1336F | Journey | | | 3500 | 284 |
| 1316F | Battalion Strength | | | 2800 | 954 |
| 1311F | Moving Points | | | 1900 | 4.9k |
| 1303G | Sum of Prefix Sums | | | 2700 | 1.1k |
| 1295E | Permutation Separation | | | 2200 | 2.9k |
| 1285D | Dr. Evil Underscores | | | 1900 | 8.7k |
| 1278E | Tests for problem D | | | 2200 | 2.1k |
| 1268D | Invertation in Tournament | | | 3200 | 820 |
| 1261F | Xor-Set | | | 3100 | 515 |
| 1257G | Divisor Set | | | 2600 | 798 |
| 1250M | SmartGarden | | | 2500 | 399 |
| 1237C2 | Balanced Removals (Harder) | | | 1900 | 4.6k |
| 1223F | Stack Exterminable Arrays | | | 2600 | 2.3k |
| 1218D | Xor Spanning Tree | | | 2400 | 619 |
| 1218E | Product Tuples | | | 2500 | 530 |
| 1217F | Forced Online Queries Problem | | | 2600 | 744 |
| 1213G | Path Queries | | | 1800 | 9.9k |
| 1192B | Dynamic Diameter | | | unrated | 1.6k |
| 1190D | Tokitsukaze and Strange Rectangle | | | 2000 | 2.7k |
| 1186E | Vus the Cossack and a Field | | | 2500 | 768 |
| 1181E1 | A Story of One Country (Easy) | | | 2500 | 663 |
| 1179E | Alesya and Discrete Math | | | 3200 | 204 |
| 1177B | Digits Sequence (Hard Edition) | | | 1800 | 3.1k |
| 1175E | Minimal Segment Cover | | | 2200 | 4.7k |
| 1175F | The Number of Subpermutations | | | 2500 | 2.8k |
| 1175G | Yet Another Partiton Problem | | | 3000 | 859 |
| 1174F | Ehab and the Big Finale | | | 2400 | 2.1k |
| 1167B | Lost Numbers | | | 1400 | 17.3k |
| 1156D | 0-1-Tree | | | 2200 | 4.9k |
| 1156E | Special Segments of Permutation | | | 2200 | 4.2k |
| 1155D | Beautiful Array | | | 1900 | 7.9k |
| 1146E | Hot is Cold | | | 2400 | 1.1k |
| 1140E | Palindrome-less Arrays | | | 2200 | 2.1k |
| 1140F | Extending Set of Points | | | 2600 | 1.6k |
| 1140G | Double Tree | | | 2700 | 658 |
| 1139F | Dish Shopping | | | 2500 | 556 |
| 1114F | Please, another Queries on Array? | | | 2400 | 2.6k |
| 1111C | Creative Snap | | | 1700 | 7.2k |
| 1100F | Ivan and Burgers | | | 2500 | 3.9k |
| 1096G | Lucky Tickets | | | 2400 | 2.1k |
| 1070M | Algoland and Berland | | | 3000 | 90 |
| 1043G | Speckled Band | | | 3500 | 329 |
| 1042D | Petya and Array | | | 1800 | 7.6k |
| 1041F | Ray in the tube | | | 2500 | 1.7k |
| 1019E | Raining season | | | 3200 | 515 |
| 1004F | Sonya and Bitwise OR | | | 2600 | 985 |
| 1000F | One Occurrence | | | 2400 | 5.1k |
| 997D | Cycles in product | | | 2900 | 855 |
| 995E | Number Clicker | | | 2700 | 977 |
| 990G | GCD Counting | | | 2400 | 2.4k |
| 981E | Addition on Segments | | | 2200 | 2.6k |
| 960E | Alternating Tree | | | 2300 | 2.4k |
| 936E | Iqea | | | 3400 | 261 |
| 914E | Palindromes in a Tree | | | 2400 | 2k |
| 914G | Sum the Fibonacci | | | 2600 | 1.3k |
| 888E | Maximum Subsequence | | | 1800 | 9.6k |
| 875D | High Cry | | | 2200 | 2.6k |
| 873D | Merge Sort | | | 1800 | 4.2k |
| 868F | Yet Another Minimization Problem | | | 2500 | 5.4k |
| 865F | Egg Roulette | | | 3300 | 81 |
| 862D | Mahmoud and Ehab and the binary string | | | 2000 | 2.1k |
| 850E | Random Elections | | | 2800 | 570 |
| 848C | Goodbye Souvenir | | | 2600 | 1.7k |
| 848E | Days of Floral Colours | | | 3400 | 283 |
| 842E | Nikita and game | | | 2800 | 513 |
| 833B | The Bakery | | | 2200 | 6.8k |
| 833D | Red-Black Cobweb | | | 2800 | 524 |
| 817D | Imbalanced Array | | | 1900 | 6.6k |
| 809C | Find a car | | | 2600 | 954 |
| 809E | Surprise me! | | | 3100 | 992 |
| 793F | Julia the snail | | | 3000 | 848 |
| 793G | Oleg and chess | | | 3400 | 519 |
| 788D | Finding lines | | | 3000 | 417 |
| 786C | Till I Collapse | | | 2400 | 3.9k |
| 776F | Sherlock's bet to Moriarty | | | 2800 | 543 |