| 1536C | Diluc and Kaeya | | | 1500 | 16.3k |
| 1526B | I Hate 1111 | | | 1400 | 37.6k |
| 1516D | Cut | | | 2100 | 5.3k |
| 1512G | Short Task | | | 1700 | 9.6k |
| 1510D | Digits | | | 2100 | 2.1k |
| 1499D | The Number of Pairs | | | 2100 | 7.3k |
| 1497D | Genius | | | 2500 | 1.8k |
| 1497E1 | Square-Free Division (easy version) | | | 1700 | 9.2k |
| 1497E2 | Square-Free Division (hard version) | | | 2500 | 2k |
| 1479E | School Clubs | | | 3500 | 469 |
| 1475G | Strange Beauty | | | 1900 | 8k |
| 1401D | Maximum Distributed Tree | | | 1800 | 10.7k |
| 1371E2 | Asterism (Hard Version) | | | 2300 | 2.5k |
| 1367E | Necklace Assembly | | | 1900 | 5.9k |
| 1350B | Orac and Models | | | 1400 | 30.7k |
| 1292D | Chaotic V. | | | 2700 | 1.1k |
| 1278F | Cards | | | 2600 | 2.7k |
| 1225G | To Make 1 | | | 3100 | 665 |
| 1204E | Natasha, Sasha and the Prefix Sums | | | 2300 | 2.2k |
| 1200F | Graph Traveler | | | 2300 | 1.2k |
| 1194F | Crossword Expert | | | 2400 | 1.3k |
| 1182E | Product Oriented Recurrence | | | 2300 | 3.5k |
| 1174E | Ehab and the Expected GCD Problem | | | 2500 | 1.8k |
| 1139D | Steps to One | | | 2300 | 2.8k |
| 1107D | Compression | | | 1800 | 3.9k |
| 1101D | GCD Counting | | | 2000 | 5.6k |
| 1097D | Makoto and a Blackboard | | | 2200 | 3.2k |
| 1070A | Find a Number | | | 2200 | 2.7k |
| 1061C | Multiplicity | | | 1700 | 11k |
| 1043F | Make It One | | | 2500 | 3.1k |
| 1034C | Region Separation | | | 2700 | 1.1k |
| 1025D | Recovering BST | | | 2100 | 4.3k |
| 1005D | Polycarp and Div 3 | | | 1500 | 11.6k |
| 990G | GCD Counting | | | 2400 | 2.4k |
| 980D | Perfect Groups | | | 2100 | 3.1k |
| 979D | Kuro and GCD and XOR and SUM | | | 2200 | 2.3k |
| 922F | Divisibility | | | 2400 | 768 |
| 919B | Perfect Number | | | 1100 | 32k |
| 900D | Unusual Sequences | | | 2000 | 3.9k |
| 893E | Counting Arrays | | | 2000 | 4.3k |
| 891A | Pride | | | 1500 | 15k |
| 870C | Maximum splitting | | | 1300 | 9.8k |
| 839D | Winter is here | | | 2200 | 3.7k |
| 822D | My pretty girl Noora | | | 1800 | 3.3k |
| 804F | Fake bullions | | | 3400 | 221 |
| 798C | Mike and gcd problem | | | 1700 | 6.4k |
| 792C | Divide by Three | | | 2000 | 5.1k |
| 785D | Anton and School - 2 | | | 2300 | 3.9k |
| 773F | Test Data Generation | | | 3400 | 281 |
| 772C | Vulnerable Kerbals | | | 2300 | 1.5k |
| 765G | Math, math everywhere | | | 3200 | 119 |
| 757E | Bash Plays with Functions | | | 2500 | 1.6k |
| 755G | PolandBall and Many Other Balls | | | 3200 | 1.1k |
| 703E | Mishka and Divisors | | | 2600 | 696 |
| 691F | Couple Cover | | | 2200 | 1.5k |
| 665F | Four Divisors | | | 2400 | 836 |
| 659G | Fence Divercity | | | 2300 | 1.3k |
| 623B | Array GCD | | | 2300 | 2.4k |
| 582D | Number of Binominal Coefficients | | | 3300 | 830 |
| 575H | Bots | | | 1800 | 1.9k |
| 566F | Clique in the Divisibility Graph | | | 1500 | 4.3k |
| 559C | Gerald and Giant Chess | | | 2200 | 8.3k |
| 552C | Vanya and Scales | | | 1900 | 5.9k |
| 547C | Mike and Foam | | | 2300 | 3.5k |
| 546D | Soldier and Number Game | | | 1700 | 14.1k |
| 542D | Superhero's Job | | | 2600 | 541 |
| 520E | Pluses everywhere | | | 2200 | 2.1k |
| 498D | Traffic Jams in the Land | | | 2400 | 1.3k |
| 449E | Jzzhu and Squares | | | 2900 | 341 |
| 414B | Mashmokh and ACM | | | 1400 | 30.4k |
| 402D | Upgrading Array | | | 1800 | 2.8k |
| 401D | Roman and Numbers | | | 2000 | 4.7k |
| 385C | Bear and Prime Numbers | | | 1700 | 10.8k |
| 354C | Vasya and Beautiful Arrays | | | 2100 | 3.4k |
| 283D | Cows and Cool Sequences | | | 2400 | 718 |
| 279E | Beautiful Decomposition | | | 1900 | 1.6k |
| 264B | Good Sequences | | | 1500 | 12.3k |
| 251C | Number Transformation | | | 2000 | 1.2k |
| 235E | Number Challenge | | | 2600 | 963 |
| 215E | Periodical Numbers | | | 2100 | 698 |
| 93E | Lostborn | | | 2600 | 555 |
| 83D | Numbers | | | 2400 | 1.1k |
| 78C | Beaver Game | | | 2000 | 2.2k |
| 71C | Round Table Knights | | | 1600 | 7.4k |
| 55D | Beautiful numbers | | | 2500 | 4.9k |
| 27E | Number With The Given Amount Of Divisors | | | 2000 | 5k |