| 1027E | Inverse Coloring | | | 2100 | 2.4k |
| 1009E | Intercity Travelling | | | 2000 | 3.4k |
| 1007A | Reorder the Array | | | 1300 | 13.2k |
| 1007B | Pave the Parallelepiped | | | 2400 | 1.1k |
| 1000D | Yet Another Problem On a Subsequence | | | 1900 | 5.2k |
| 997B | Roman Digits | | | 2000 | 3.2k |
| 997C | Sky Full of Stars | | | 2500 | 2.3k |
| 997D | Cycles in product | | | 2900 | 855 |
| 995F | Cowmpany Cowmpensation | | | 2700 | 1.8k |
| 991E | Bus Number | | | 1800 | 3.7k |
| 986B | Petr and Permutations | | | 1800 | 5.1k |
| 985G | Team Players | | | 2700 | 832 |
| 981H | K Paths | | | 3100 | 453 |
| 978E | Bus Video System | | | 1400 | 10.7k |
| 961G | Partitions | | | 2700 | 1.8k |
| 960E | Alternating Tree | | | 2300 | 2.4k |
| 960G | Bandit Blues | | | 2900 | 1.3k |
| 954H | Path Counting | | | 2500 | 827 |
| 946F | Fibonacci String Subsequences | | | 2400 | 672 |
| 938E | Max History | | | 2300 | 1.6k |
| 933D | A Creative Cutout | | | 2900 | 403 |
| 932E | Team Work | | | 2400 | 3.6k |
| 929C | Красивая команда | | | 1700 | 1.2k |
| 920G | List Of Integers | | | 2200 | 2.1k |
| 917C | Pollywog | | | 2900 | 480 |
| 914C | Travelling Salesman and Special Numbers | | | 1800 | 4.3k |
| 914H | Ember and Storm's Tree Game | | | 3400 | 322 |
| 908E | New Year and Entity Enumeration | | | 2500 | 871 |
| 900D | Unusual Sequences | | | 2000 | 3.9k |
| 896D | Nephren Runs a Cinema | | | 2900 | 706 |
| 895C | Square Subsets | | | 2000 | 7.6k |
| 895D | String Mark | | | 2100 | 1.3k |
| 894B | Ralph And His Magic Field | | | 1800 | 4.7k |
| 893E | Counting Arrays | | | 2000 | 4.3k |
| 891E | Lust | | | 3000 | 1.3k |
| 888D | Almost Identity Permutations | | | 1600 | 10.8k |
| 886E | Maximum Element | | | 2400 | 1.3k |
| 878E | Numbers on the blackboard | | | 3300 | 767 |
| 875D | High Cry | | | 2200 | 2.6k |
| 869C | The Intriguing Obsession | | | 1800 | 5.3k |
| 865G | Flowers and Chocolate | | | 3300 | 282 |
| 859E | Desk Disorder | | | 2100 | 2.2k |
| 856C | Eleventh Birthday | | | 2400 | 752 |
| 852F | Product transformation | | | 2200 | 669 |
| 848D | Shake It! | | | 2900 | 484 |
| 848E | Days of Floral Colours | | | 3400 | 283 |
| 844B | Rectangles | | | 1300 | 9.3k |
| 840A | Leha and Function | | | 1300 | 7.6k |
| 840C | On the Bench | | | 2500 | 2.2k |
| 839D | Winter is here | | | 2200 | 3.7k |
| 837F | Prefix Sums | | | 2400 | 1.1k |
| 833C | Ever-Hungry Krakozyabra | | | 2700 | 527 |
| 830D | Singer House | | | 2800 | 1k |
| 817B | Makes And The Product | | | 1500 | 6.5k |
| 815B | Karen and Test | | | 2200 | 1.7k |
| 815D | Karen and Cards | | | 2800 | 856 |
| 814E | An unavoidable detour for home | | | 2600 | 848 |
| 809C | Find a car | | | 2600 | 954 |
| 804B | Minimum number of steps | | | 1400 | 10.3k |
| 804F | Fake bullions | | | 3400 | 221 |
| 803F | Coprime Subsequences | | | 2000 | 5k |
| 794G | Replace All | | | 3400 | 496 |
| 788B | Weird journey | | | 2100 | 2.9k |
| 785D | Anton and School - 2 | | | 2300 | 3.9k |
| 776G | Sherlock and the Encrypted Data | | | 2900 | 410 |
| 773F | Test Data Generation | | | 3400 | 281 |
| 768F | Barrels and boxes | | | 2300 | 1.2k |
| 762F | Tree nesting | | | 2800 | 513 |
| 757E | Bash Plays with Functions | | | 2500 | 1.6k |
| 756D | Bacterial Melee | | | 2400 | 1.2k |
| 756E | Byteland coins | | | 3200 | 315 |
| 755G | PolandBall and Many Other Balls | | | 3200 | 1.1k |
| 750G | New Year and Binary Tree Paths | | | 3200 | 617 |
| 747F | Igor and Interesting Numbers | | | 2500 | 521 |
| 735C | Tennis Championship | | | 1600 | 8.1k |
| 724F | Uniformly Branched Trees | | | 2700 | 561 |
| 722E | Research Rover | | | 2900 | 1.1k |
| 717A | Festival Organization | | | 2900 | 473 |
| 715E | Complete the Permutations | | | 3400 | 586 |
| 712D | Memory and Scores | | | 2200 | 2k |
| 711D | Directed Roads | | | 1900 | 5.1k |
| 698F | Coprime Permutation | | | 3000 | 554 |
| 696C | PLEASE | | | 2000 | 2.3k |
| 690D2 | The Wall (medium) | | | 1800 | 1.5k |
| 689C | Mike and Chocolate Thieves | | | 1700 | 6.3k |
| 689E | Mike and Geometry Problem | | | 2000 | 2.3k |
| 685A | Robbers' watch | | | 1700 | 4.5k |
| 677C | Vanya and Label | | | 1500 | 7k |
| 666C | Codeword | | | 2500 | 961 |
| 660E | Different Subsets For All Tuples | | | 2300 | 2k |
| 659G | Fence Divercity | | | 2300 | 1.3k |
| 653G | Move by Prime | | | 3100 | 768 |
| 652C | Foe Pairs | | | 1800 | 3.8k |
| 645F | Cowslip Collections | | | 2500 | 1k |
| 630C | Lucky Numbers | | | 1100 | 27.6k |
| 630F | Selection of Personnel | | | 1300 | 8.2k |
| 630G | Challenge Pennants | | | 1600 | 3.3k |
| 630H | Benches | | | 1400 | 5.8k |
| 630I | Parking Lot | | | 1700 | 8.5k |
| 629A | Far Relative’s Birthday Cake | | | 800 | 14.9k |