| 2244C | Stepan and Permutation | | | unrated | 15.6k |
| 2205E | Simons and Dividing the Rhythm | | | 2100 | 1.8k |
| 2135C | By the Assignment | | | 2000 | 5.4k |
| 2106F | Goblin | | | 1900 | 4.5k |
| 2097B | Baggage Claim | | | 2300 | 2k |
| 2081D | MST in Modulo Graph | | | 2600 | 1.2k |
| 2064E | Mycraft Sand Sort | | | 2400 | 1.5k |
| 2063F1 | Counting Is Not Fun (Easy Version) | | | 2400 | 1.6k |
| 2056E | Nested Segments | | | 2500 | 1.1k |
| 2033D | Kousuke's Assignment | | | 1300 | 18.6k |
| 2033E | Sakurako, Kosuke, and the Permutation | | | 1400 | 14.5k |
| 2021E1 | Digital Village (Easy Version) | | | 2300 | 2k |
| 2021E2 | Digital Village (Hard Version) | | | 2500 | 1.3k |
| 2021E3 | Digital Village (Extreme Version) | | | 2800 | 725 |
| 2020D | Connect the Dots | | | 1800 | 7.6k |
| 2018E1 | Complex Segments (Easy Version) | | | 3300 | 246 |
| 2018E2 | Complex Segments (Hard Version) | | | 3400 | 210 |
| 2008D | Sakurako's Hobby | | | 1100 | 23.9k |
| 2006B | Iris and the Tree | | | 1800 | 4.4k |
| 1994D | Funny Game | | | 1900 | 7.7k |
| 1954E | Chain Reaction | | | 2200 | 3k |
| 1922D | Berserk Monsters | | | 1900 | 6.9k |
| 1920D | Array Repetition | | | 1900 | 6.7k |
| 1914G1 | Light Bulbs (Easy Version) | | | 2100 | 2.5k |
| 1909C | Heavy Intervals | | | 1400 | 13.4k |
| 1887D | Split | | | 2700 | 1.3k |
| 1872F | Selling a Menagerie | | | 1800 | 7.7k |
| 1845D | Rating System | | | 1800 | 9.2k |
| 1844H | Multiple of Three Cycles | | | 3400 | 305 |
| 1806D | DSU Master | | | 2500 | 1.3k |
| 1799E | City Union | | | 2300 | 1.4k |
| 1797E | Li Hua and Array | | | 2300 | 1.7k |
| 1780G | Delicious Dessert | | | 2400 | 1k |
| 1770E | Koxia and Tree | | | 2400 | 1.6k |
| 1687D | Cute number | | | 2900 | 775 |
| 1670C | Where is the Pizza? | | | 1400 | 11.1k |
| 1661E | Narrow Components | | | 2500 | 1.2k |
| 1638C | Inversion Graph | | | 1300 | 16.1k |
| 1633E | Spanning Tree Queries | | | 2400 | 1.8k |
| 1592B | Hemose Shopping | | | 1200 | 17.4k |
| 1553E | Permutation Shift | | | 2100 | 3.8k |
| 1553G | Common Divisor Graph | | | 2700 | 1.3k |
| 1537F | Figure Fixing | | | 2200 | 2.9k |
| 1534C | Little Alawn's Puzzle | | | 1300 | 14k |
| 1466F | Euclid's nightmare | | | 2100 | 3.1k |
| 1402A | Fancy Fence | | | 1800 | 1.4k |
| 1400G | Mercenaries | | | 2600 | 1.2k |
| 1249B1 | Books Exchange (easy version) | | | 1000 | 22.5k |
| 1249B2 | Books Exchange (hard version) | | | 1300 | 18.6k |
| 1139C | Edgy Trees | | | 1500 | 17.4k |
| 1039C | Network Safety | | | 2200 | 1.5k |
| 1012E | Cycle sort | | | 3100 | 559 |
| 979D | Kuro and GCD and XOR and SUM | | | 2200 | 2.3k |
| 843A | Sorting by Subsequences | | | 1400 | 6k |
| 765D | Artsem and Saunders | | | 1700 | 2.6k |
| 691D | Swaps in Permutation | | | 1700 | 6.7k |
| 603B | Moodular Arithmetic | | | 1800 | 2.7k |
| 603E | Pastoral Oddities | | | 3000 | 1.6k |
| 500B | New Year Permutation | | | 1600 | 9.7k |
| 461D | Appleman and Complicated Task | | | 2800 | 440 |
| 441D | Valera and Swaps | | | 2100 | 1.3k |
| 60D | Savior | | | 2500 | 593 |