| 1091C | New Year and the Sphere Transmission | | | 1400 | 10.6k |
| 1091G | New Year and the Factorisation Collaboration | | | 3200 | 242 |
| 1081E | Missing Numbers | | | 1900 | 2.8k |
| 1076B | Divisor Subtraction | | | 1200 | 14.8k |
| 1070A | Find a Number | | | 2200 | 2.7k |
| 1068B | LCM | | | 1200 | 13.3k |
| 1062B | Math | | | 1500 | 10.1k |
| 1061C | Multiplicity | | | 1700 | 11k |
| 1056B | Divide Candies | | | 1600 | 4.6k |
| 1055C | Lucky Days | | | 1900 | 2.1k |
| 1054H | Epic Convolution | | | 3500 | 319 |
| 1051B | Relatively Prime Pairs | | | 1000 | 19k |
| 1045B | Space Isaac | | | 2400 | 625 |
| 1043F | Make It One | | | 2500 | 3.1k |
| 1036E | Covered Points | | | 2400 | 1.8k |
| 1036F | Relatively Prime Powers | | | 2400 | 1.9k |
| 1034A | Enlarge GCD | | | 1800 | 10.1k |
| 1034C | Region Separation | | | 2700 | 1.1k |
| 1033B | Square Difference | | | 1100 | 12.3k |
| 1033D | Divisors | | | 2000 | 2.6k |
| 1030D | Vasya and Triangle | | | 1800 | 6.3k |
| 1030G | Linear Congruential Generator | | | 2900 | 459 |
| 1029F | Multicolored Markers | | | 2000 | 2.9k |
| 1027G | X-mouse in the Campus | | | 2600 | 386 |
| 1025B | Weakened Common Divisor | | | 1600 | 8.6k |
| 1025D | Recovering BST | | | 2100 | 4.3k |
| 1016G | Appropriate Team | | | 2700 | 364 |
| 1010C | Border | | | 1800 | 6.1k |
| 1007B | Pave the Parallelepiped | | | 2400 | 1.1k |
| 1005D | Polycarp and Div 3 | | | 1500 | 11.6k |
| 995E | Number Clicker | | | 2700 | 978 |
| 992B | Nastya Studies Informatics | | | 1600 | 6.8k |
| 990G | GCD Counting | | | 2400 | 2.4k |
| 986A | Fair | | | 1600 | 8.6k |
| 986E | Prince's Problem | | | 2800 | 959 |
| 986F | Oppa Funcan Style Remastered | | | 3300 | 855 |
| 982E | Billiard | | | 2600 | 875 |
| 980D | Perfect Groups | | | 2100 | 3.1k |
| 979D | Kuro and GCD and XOR and SUM | | | 2200 | 2.3k |
| 963A | Alternating Sum | | | 1800 | 3.7k |
| 963C | Cutting Rectangle | | | 2600 | 702 |
| 961G | Partitions | | | 2700 | 1.8k |
| 959D | Mahmoud and Ehab and another array construction task | | | 1900 | 3.3k |
| 955C | Sad powers | | | 2100 | 2.9k |
| 946B | Weird Subtraction Process | | | 1100 | 11.5k |
| 937B | Vile Grasshoppers | | | 1400 | 7.3k |
| 926B | Add Points | | | 1800 | 2k |
| 923A | Primal Sport | | | 1700 | 5.5k |
| 922C | Cave Painting | | | 1600 | 7.7k |
| 922F | Divisibility | | | 2400 | 768 |
| 920F | SUM and REPLACE | | | 2000 | 9k |
| 920G | List Of Integers | | | 2200 | 2.1k |
| 919B | Perfect Number | | | 1100 | 32k |
| 919E | Congruence Equation | | | 2100 | 2.5k |
| 915G | Coprime Arrays | | | 2300 | 1.5k |
| 914D | Bash and a Tough Math Puzzle | | | 1900 | 6.6k |
| 913G | Power Substring | | | 3200 | 267 |
| 912B | New Year's Eve | | | 1300 | 14.2k |
| 912E | Prime Gift | | | 2400 | 2.1k |
| 906D | Power Tower | | | 2700 | 2.8k |
| 900B | Position in Fraction | | | 1300 | 8.4k |
| 900D | Unusual Sequences | | | 2000 | 3.9k |
| 898B | Proper Nutrition | | | 1100 | 10.8k |
| 896D | Nephren Runs a Cinema | | | 2900 | 706 |
| 894B | Ralph And His Magic Field | | | 1800 | 4.7k |
| 893E | Counting Arrays | | | 2000 | 4.3k |
| 891A | Pride | | | 1500 | 15k |
| 876B | Divisiblity of Differences | | | 1300 | 10.4k |
| 870C | Maximum splitting | | | 1300 | 9.8k |
| 870F | Paths | | | 2700 | 730 |
| 858A | k-rounding | | | 1100 | 9.4k |
| 852F | Product transformation | | | 2200 | 669 |
| 850B | Arpa and a list of numbers | | | 2100 | 2.2k |
| 842C | Ilya And The Tree | | | 2000 | 3.8k |
| 840A | Leha and Function | | | 1300 | 7.6k |
| 839D | Winter is here | | | 2200 | 3.7k |
| 838D | Airplane Arrangements | | | 2700 | 1.2k |
| 833A | The Meaningless Game | | | 1700 | 6.6k |
| 830C | Bamboo Partition | | | 2300 | 1.3k |
| 822A | I'm bored with life | | | 800 | 37.4k |
| 822D | My pretty girl Noora | | | 1800 | 3.3k |
| 819C | Mister B and Beacons on Field | | | 2900 | 272 |
| 819D | Mister B and Astronomers | | | 2900 | 372 |
| 818E | Card Game Again | | | 1900 | 2.7k |
| 817A | Treasure Hunt | | | 1200 | 6.9k |
| 809E | Surprise me! | | | 3100 | 992 |
| 804F | Fake bullions | | | 3400 | 221 |
| 803F | Coprime Subsequences | | | 2000 | 5k |
| 798C | Mike and gcd problem | | | 1700 | 6.4k |
| 797A | k-Factorization | | | 1100 | 20.6k |
| 792C | Divide by Three | | | 2000 | 5.1k |
| 792E | Colored Balls | | | 2500 | 1.3k |
| 787A | The Monster | | | 1200 | 12.3k |
| 785D | Anton and School - 2 | | | 2300 | 3.9k |
| 776B | Sherlock and his girlfriend | | | 1200 | 26.6k |
| 776E | The Holmes Children | | | 2100 | 2.5k |
| 774E | Big Number and Remainder | | | 2300 | 282 |
| 774F | Pens And Days Of Week | | | 2700 | 198 |
| 774G | Perfectionist Arkadiy | | | 2700 | 244 |
| 773F | Test Data Generation | | | 3400 | 281 |