| 852A | Digits | | | 2500 | 445 |
| 851A | Arpa and a research in Mexican wave | | | 800 | 10.3k |
| 847I | Noise Level | | | 1900 | 1.7k |
| 847M | Weather Tomorrow | | | 1000 | 6.9k |
| 843A | Sorting by Subsequences | | | 1400 | 6k |
| 837E | Vasya's Function | | | 2100 | 2.2k |
| 832C | Strange Radiation | | | 2500 | 509 |
| 830C | Bamboo Partition | | | 2300 | 1.3k |
| 830E | Perpetual Motion Machine | | | 3100 | 373 |
| 822A | I'm bored with life | | | 800 | 37.4k |
| 819B | Mister B and PR Shifts | | | 1900 | 1.8k |
| 818A | Diplomas and Certificates | | | 800 | 7.9k |
| 817A | Treasure Hunt | | | 1200 | 6.9k |
| 817B | Makes And The Product | | | 1500 | 6.5k |
| 810A | Straight <<A>> | | | 900 | 9.4k |
| 809A | Do you want a date? | | | 1500 | 4.9k |
| 808B | Average Sleep Time | | | 1300 | 16.2k |
| 804B | Minimum number of steps | | | 1400 | 10.3k |
| 797A | k-Factorization | | | 1100 | 20.5k |
| 793A | Oleg and shares | | | 900 | 8.1k |
| 793C | Mice problem | | | 2300 | 1.4k |
| 789A | Anastasia and pebbles | | | 1100 | 9.9k |
| 789B | Masha and geometric depression | | | 1700 | 5k |
| 787B | Not Afraid | | | 1300 | 5.8k |
| 777A | Shell Game | | | 1000 | 11k |
| 776C | Molly's Chemicals | | | 1800 | 6.3k |
| 770B | Maximize Sum of Digits | | | 1300 | 3.1k |
| 765A | Neverending competitions | | | 900 | 9.6k |
| 764A | Taymyr is calling you | | | 800 | 17.2k |
| 763C | Timofey and remoduling | | | 2600 | 816 |
| 761A | Dasha and Stairs | | | 1000 | 15.2k |
| 761B | Dasha and friends | | | 1300 | 7.1k |
| 760A | Petr and a calendar | | | 800 | 8.7k |
| 758A | Holiday Of Equality | | | 800 | 76.8k |
| 758C | Unfair Poll | | | 1700 | 4.1k |
| 750A | New Year and Hurry | | | 800 | 94.8k |
| 749A | Bachgold Problem | | | 800 | 58.1k |
| 748A | Santa Claus and a Place in a Class | | | 800 | 9.4k |
| 746A | Compote | | | 800 | 24k |
| 746C | Tram | | | 1600 | 3.9k |
| 746E | Numbers Exchange | | | 1900 | 1.9k |
| 742A | Arpa’s hard exam and Mehrdad’s naive cheat | | | 1000 | 53.3k |
| 734B | Anton and Digits | | | 800 | 32.2k |
| 734F | Anton and School | | | 2500 | 1.4k |
| 732A | Buy a Shovel | | | 800 | 91k |
| 732C | Sanatorium | | | 1200 | 10.2k |
| 731F | Video Cards | | | 1900 | 3.2k |
| 730D | Running Over The Bridges | | | 2200 | 959 |
| 725B | Food on the Plane | | | 1200 | 5.4k |
| 724B | Batch Sort | | | 1500 | 4.3k |
| 724C | Ray Tracing | | | 1800 | 2.3k |
| 723A | The New Year: Meeting Friends | | | 800 | 103.5k |
| 721B | Passwords | | | 1100 | 12.5k |
| 718A | Efim and Strange Grade | | | 1700 | 4.6k |
| 714A | Meeting of Old Friends | | | 1100 | 11.2k |
| 712A | Memory and Crow | | | 800 | 12.6k |
| 708B | Recover the String | | | 1900 | 3.5k |
| 704C | Black Widow | | | 2900 | 562 |
| 703B | Mishka and trip | | | 1400 | 6.1k |
| 702B | Powers of Two | | | 1500 | 13.9k |
| 697A | Pineapple Incident | | | 900 | 13.4k |
| 697B | Barnicle | | | 1400 | 6k |
| 696C | PLEASE | | | 2000 | 2.3k |
| 679D | Bear and Chase | | | 2900 | 378 |
| 678A | Johny Likes Numbers | | | 800 | 15.3k |
| 678C | Joty and Chocolate | | | 1600 | 11.2k |
| 677B | Vanya and Food Processor | | | 1400 | 8k |
| 676B | Pyramid of Glasses | | | 1500 | 5.9k |
| 662D | International Olympiad | | | 2000 | 1.7k |
| 660A | Co-prime Array | | | 1200 | 10.6k |
| 659A | Round House | | | 1000 | 17k |
| 659D | Bicycle Race | | | 1500 | 6.8k |
| 652A | Gabriel and Caterpillar | | | 1400 | 5.3k |
| 651A | Joysticks | | | 1100 | 24.3k |
| 641D | Little Artem and Random Variable | | | 2400 | 1.6k |
| 639C | Bear and Polynomials | | | 2200 | 1.3k |
| 633D | Fibonacci-ish | | | 2000 | 3.1k |
| 630L | Cracking the Code | | | 1400 | 4.1k |
| 628A | Tennis Tournament | | | 1000 | 7.1k |
| 625A | Guest From the Past | | | 1700 | 5.7k |
| 625D | Finals in arithmetic | | | 2400 | 708 |
| 622A | Infinite Sequence | | | 1000 | 10.3k |
| 620A | Professor GukiZ's Robot | | | 800 | 14.4k |
| 616E | Sum of Remainders | | | 2200 | 3.7k |
| 615E | Hexagons | | | 2100 | 1.1k |
| 614B | Gena's Code | | | 1400 | 7.3k |
| 612B | HDD is Outdated Technology | | | 1200 | 7.7k |
| 609C | Load Balancing | | | 1500 | 7.5k |
| 608A | Saitama Destroys Hotel | | | 1000 | 10k |
| 591A | Wizards' Duel | | | 900 | 17.4k |
| 581A | Vasya the Hipster | | | 800 | 86.5k |
| 581B | Luxurious Houses | | | 1100 | 13.7k |
| 581C | Developing Skills | | | 1400 | 7.7k |
| 581D | Three Logos | | | 1700 | 4.9k |
| 573A | Bear and Poker | | | 1300 | 18.8k |
| 571A | Lengthening Sticks | | | 2100 | 2.7k |
| 570B | Simple Game | | | 1300 | 17k |
| 569A | Music | | | 1500 | 5.1k |
| 568A | Primes or Palindromes? | | | 1600 | 5.4k |
| 557A | Ilya and Diplomas | | | 1100 | 8.5k |