| 724B | Batch Sort | | | 1500 | 4.3k |
| 724C | Ray Tracing | | | 1800 | 2.3k |
| 724G | Xor-matic Number of the Graph | | | 2600 | 1.6k |
| 723A | The New Year: Meeting Friends | | | 800 | 103.6k |
| 721B | Passwords | | | 1100 | 12.5k |
| 721D | Maxim and Array | | | 2000 | 2.5k |
| 718A | Efim and Strange Grade | | | 1700 | 4.6k |
| 718C | Sasha and Array | | | 2300 | 4.8k |
| 717A | Festival Organization | | | 2900 | 473 |
| 717H | Pokermon League challenge | | | 2400 | 494 |
| 715A | Plus and Square Root | | | 1600 | 5.9k |
| 715E | Complete the Permutations | | | 3400 | 589 |
| 714A | Meeting of Old Friends | | | 1100 | 11.2k |
| 712A | Memory and Crow | | | 800 | 12.6k |
| 712C | Memory and De-Evolution | | | 1600 | 6.2k |
| 712D | Memory and Scores | | | 2200 | 2k |
| 712E | Memory and Casinos | | | 2500 | 755 |
| 711D | Directed Roads | | | 1900 | 5.1k |
| 711E | ZS and The Birthday Paradox | | | 2300 | 1.4k |
| 710C | Magic Odd Square | | | 1500 | 5.6k |
| 710D | Two Arithmetic Progressions | | | 2500 | 2k |
| 708B | Recover the String | | | 1900 | 3.5k |
| 708E | Student's Camp | | | 3100 | 1.4k |
| 707C | Pythagorean Triples | | | 1500 | 13.6k |
| 705B | Spider Man | | | 1100 | 9.6k |
| 704C | Black Widow | | | 2900 | 563 |
| 703B | Mishka and trip | | | 1400 | 6.1k |
| 702B | Powers of Two | | | 1500 | 13.9k |
| 702D | Road to Post Office | | | 1900 | 3.8k |
| 701B | Cells Not Under Attack | | | 1200 | 12.6k |
| 700A | As Fast As Possible | | | 1900 | 3.4k |
| 698C | LRU | | | 2400 | 1.5k |
| 698D | Limak and Shooting Points | | | 2600 | 609 |
| 697A | Pineapple Incident | | | 900 | 13.4k |
| 697B | Barnicle | | | 1400 | 6k |
| 696B | Puzzles | | | 1700 | 3.9k |
| 696C | PLEASE | | | 2000 | 2.3k |
| 691D | Swaps in Permutation | | | 1700 | 6.7k |
| 689C | Mike and Chocolate Thieves | | | 1700 | 6.3k |
| 688B | Lovely Palindromes | | | 1000 | 36.4k |
| 687B | Remainders Game | | | 1800 | 7k |
| 685A | Robbers' watch | | | 1700 | 4.5k |
| 685C | Optimal Point | | | 2900 | 697 |
| 683D | Chocolate Bar | | | 1400 | 388 |
| 682A | Alyona and Numbers | | | 1100 | 24.3k |
| 679A | Bear and Prime 100 | | | 1400 | 15.8k |
| 679D | Bear and Chase | | | 2900 | 378 |
| 678A | Johny Likes Numbers | | | 800 | 15.3k |
| 678C | Joty and Chocolate | | | 1600 | 11.2k |
| 678D | Iterated Linear Function | | | 1700 | 5.5k |
| 678E | Another Sith Tournament | | | 2200 | 2.8k |
| 677B | Vanya and Food Processor | | | 1400 | 8k |
| 676B | Pyramid of Glasses | | | 1500 | 5.9k |
| 676E | The Last Fight Between Human and AI | | | 2400 | 967 |
| 675A | Infinite Sequence | | | 1100 | 15.7k |
| 675B | Restoring Painting | | | 1400 | 7.8k |
| 670A | Holidays | | | 900 | 18.8k |
| 669A | Little Artem and Presents | | | 800 | 11.8k |
| 667A | Pouring Rain | | | 1100 | 8.6k |
| 665F | Four Divisors | | | 2400 | 836 |
| 664A | Complicated GCD | | | 800 | 22.3k |
| 663A | Rebus | | | 1800 | 3.8k |
| 662A | Gambling Nim | | | 2400 | 683 |
| 662C | Binary Table | | | 2600 | 2.6k |
| 662D | International Olympiad | | | 2000 | 1.7k |
| 660A | Co-prime Array | | | 1200 | 10.6k |
| 660E | Different Subsets For All Tuples | | | 2300 | 2k |
| 659A | Round House | | | 1000 | 17k |
| 659D | Bicycle Race | | | 1500 | 6.8k |
| 653G | Move by Prime | | | 3100 | 768 |
| 652A | Gabriel and Caterpillar | | | 1400 | 5.3k |
| 652F | Ants on a Circle | | | 2800 | 752 |
| 651A | Joysticks | | | 1100 | 24.3k |
| 650A | Watchmen | | | 1400 | 16.8k |
| 645B | Mischievous Mess Makers | | | 1200 | 3.7k |
| 645F | Cowslip Collections | | | 2500 | 1k |
| 643E | Bear and Destroying Subtrees | | | 2700 | 756 |
| 643F | Bears and Juice | | | 2900 | 894 |
| 641D | Little Artem and Random Variable | | | 2400 | 1.6k |
| 639C | Bear and Polynomials | | | 2200 | 1.3k |
| 639E | Bear and Paradox | | | 2800 | 643 |
| 638A | Home Numbers | | | 1100 | 4.4k |
| 633A | Ebony and Ivory | | | 1100 | 15k |
| 633B | A Trivial Problem | | | 1300 | 7.3k |
| 633D | Fibonacci-ish | | | 2000 | 3.1k |
| 633G | Yash And Trees | | | 2800 | 934 |
| 632D | Longest Subsequence | | | 2100 | 4.7k |
| 632E | Thief in a Shop | | | 2400 | 3.7k |
| 630B | Moore's Law | | | 1200 | 8.4k |
| 630C | Lucky Numbers | | | 1100 | 27.6k |
| 630D | Hexagons! | | | 1100 | 12.8k |
| 630E | A rectangle | | | 1900 | 2.7k |
| 630F | Selection of Personnel | | | 1300 | 8.2k |
| 630G | Challenge Pennants | | | 1600 | 3.3k |
| 630H | Benches | | | 1400 | 5.8k |
| 630I | Parking Lot | | | 1700 | 8.5k |
| 630J | Divisibility | | | 1100 | 12.9k |
| 630K | Indivisibility | | | 1500 | 6.5k |
| 630L | Cracking the Code | | | 1400 | 4.1k |
| 630M | Turn | | | 1800 | 1.4k |