| 1119F | Niyaz and Small Degrees | | | 3400 | 964 |
| 1117G | Recursive Queries | | | 2500 | 971 |
| 1114F | Please, another Queries on Array? | | | 2400 | 2.6k |
| 1111E | Tree | | | 2500 | 1.2k |
| 1110F | Nearest Leaf | | | 2600 | 2.2k |
| 1109C | Sasha and a Patient Friend | | | 2800 | 330 |
| 1109E | Sasha and a Very Easy Test | | | 2700 | 641 |
| 1109F | Sasha and Algorithm of Silence's Sounds | | | 3200 | 427 |
| 1108E2 | Array and Segments (Hard version) | | | 2100 | 2.7k |
| 1107G | Vasya and Maximum Profit | | | 2400 | 1.3k |
| 1106B | Lunar New Year and Food Ordering | | | 1500 | 7k |
| 1106D | Lunar New Year and a Wander | | | 1500 | 20.7k |
| 1106E | Lunar New Year and Red Envelopes | | | 2100 | 2.9k |
| 1104B | Game with string | | | 1200 | 17.2k |
| 1101D | GCD Counting | | | 2000 | 5.6k |
| 1100B | Build a Contest | | | 1300 | 11.9k |
| 1100F | Ivan and Burgers | | | 2500 | 3.9k |
| 1099F | Cookies | | | 2400 | 1.1k |
| 1098D | Eels | | | 2800 | 926 |
| 1093E | Intersection of Permutations | | | 2400 | 2k |
| 1093G | Multidimensional Queries | | | 2300 | 2.3k |
| 1092D2 | Great Vova Wall (Version 2) | | | 2200 | 3.4k |
| 1091E | New Year and the Acquaintance Estimation | | | 2400 | 1.1k |
| 1090C | New Year Presents | | | 2400 | 578 |
| 1089K | King Kog's Reception | | | 2400 | 1.3k |
| 1088F | Ehab and a weird weight formula | | | 2800 | 631 |
| 1085G | Beautiful Matrix | | | 2900 | 1k |
| 1083A | The Fair Nut and the Best Path | | | 1800 | 6.4k |
| 1083C | Max Mex | | | 2900 | 1.2k |
| 1083D | The Fair Nut's getting crazy | | | 3500 | 513 |
| 1083E | The Fair Nut and Rectangles | | | 2400 | 5.9k |
| 1083F | The Fair Nut and Amusing Xor | | | 3300 | 439 |
| 1081H | Palindromic Magic | | | 3500 | 134 |
| 1080F | Katya and Segments Sets | | | 2400 | 987 |
| 1077F2 | Pictures with Kittens (hard version) | | | 2100 | 4.4k |
| 1076E | Vasya and a Tree | | | 1900 | 4.2k |
| 1076G | Array Game | | | 3000 | 764 |
| 1073D | Berland Fair | | | 1700 | 6.8k |
| 1073G | Yet Another LCP Problem | | | 2600 | 1.2k |
| 1070B | Berkomnadzor | | | 2400 | 713 |
| 1070C | Cloud Computing | | | 2000 | 2.4k |
| 1070E | Getting Deals Done | | | 2100 | 1.5k |
| 1066E | Binary Numbers AND Sum | | | 1700 | 6.6k |
| 1063F | String Journey | | | 3300 | 1.1k |
| 1062E | Company | | | 2300 | 2.1k |
| 1061C | Multiplicity | | | 1700 | 11k |
| 1061D | TV Shows | | | 2000 | 2.6k |
| 1060G | Balls and Pockets | | | 3400 | 265 |
| 1059E | Split the Tree | | | 2400 | 1.7k |
| 1056E | Check Transcription | | | 2100 | 2.9k |
| 1056G | Take Metro | | | 2900 | 330 |
| 1056H | Detect Robots | | | 3200 | 285 |
| 1051E | Vasya and Big Integers | | | 2600 | 1.3k |
| 1051G | Distinctification | | | 2900 | 523 |
| 1045A | Last chance | | | 2500 | 607 |
| 1045G | AI robots | | | 2200 | 2k |
| 1045J | Moonwalk challenge | | | 2600 | 236 |
| 1044D | Deduction Queries | | | 2400 | 1.2k |
| 1044F | DFS | | | 2700 | 724 |
| 1043G | Speckled Band | | | 3500 | 329 |
| 1042D | Petya and Array | | | 1800 | 7.6k |
| 1042F | Leaf Sets | | | 2400 | 1.6k |
| 1041C | Coffee Break | | | 1600 | 10.3k |
| 1041D | Glider | | | 1700 | 6.5k |
| 1041E | Tree Reconstruction | | | 1900 | 3.9k |
| 1041F | Ray in the tube | | | 2500 | 1.7k |
| 1039A | Timetable | | | 2300 | 892 |
| 1039D | You Are Given a Tree | | | 2800 | 2.5k |
| 1039E | Summer Oenothera Exhibition | | | 3400 | 323 |
| 1037F | Maximum Reduction | | | 2500 | 1.3k |
| 1037H | Security | | | 3200 | 1.4k |
| 1034D | Intervals of Intervals | | | 3500 | 609 |
| 1030F | Putting Boxes Together | | | 2500 | 963 |
| 1028D | Order book | | | 2100 | 1.8k |
| 1023D | Array Restoration | | | 1700 | 4.3k |
| 1023G | Pisces | | | 3400 | 193 |
| 1019E | Raining season | | | 3200 | 515 |
| 1017D | The Wu | | | 1900 | 4.1k |
| 1017G | The Tree | | | 3200 | 1.3k |
| 1010E | Store | | | 2700 | 433 |
| 1009F | Dominant Indices | | | 2300 | 8.2k |
| 1007A | Reorder the Array | | | 1300 | 13.2k |
| 1007D | Ants | | | 3200 | 383 |
| 1006C | Three Parts of the Array | | | 1200 | 26.1k |
| 1004E | Sonya and Ice Cream | | | 2400 | 1.3k |
| 1004F | Sonya and Bitwise OR | | | 2600 | 985 |
| 1000C | Covered Points Count | | | 1700 | 8.7k |
| 1000F | One Occurrence | | | 2400 | 5.1k |
| 1000G | Two-Paths | | | 2700 | 792 |
| 999D | Equalize the Remainders | | | 1900 | 5k |
| 997E | Good Subsegments | | | 3000 | 1.8k |
| 995C | Leaving the Bar | | | 2300 | 2.1k |
| 992E | Nastya and King-Shamans | | | 2500 | 1.8k |
| 986E | Prince's Problem | | | 2800 | 959 |
| 985E | Pencils and Boxes | | | 2100 | 4.3k |
| 983D | Arkady and Rectangles | | | 3300 | 575 |
| 983E | NN country | | | 2800 | 1.2k |
| 982B | Bus of Characters | | | 1300 | 9k |
| 982D | Shark | | | 1900 | 2.5k |
| 981E | Addition on Segments | | | 2200 | 2.6k |