| 2084E | Blossom | | | 2400 | 1.8k |
| 2081A | Math Division | | | 1800 | 4.2k |
| 2077C | Binary Subsequence Value Sum | | | 2300 | 2.4k |
| 2077E | Another Folding Strip | | | 2700 | 627 |
| 2075D | Equalization | | | 2000 | 6k |
| 2075E | XOR Matrix | | | 2500 | 1.2k |
| 2072E | Do You Love Your Hero and His Two-Hit Multi-Target Attacks? | | | 1500 | 12.6k |
| 2071D1 | Infinite Sequence (Easy Version) | | | 1800 | 6.9k |
| 2071D2 | Infinite Sequence (Hard Version) | | | 2500 | 1.1k |
| 2066C | Bitwise Slides | | | 2300 | 2.6k |
| 2066D1 | Club of Young Aircraft Builders (easy version) | | | 2400 | 1.5k |
| 2066D2 | Club of Young Aircraft Builders (hard version) | | | 2900 | 658 |
| 2066F | Curse | | | 3300 | 75 |
| 2065H | Bro Thinks He's Him | | | 2200 | 2k |
| 2063F1 | Counting Is Not Fun (Easy Version) | | | 2400 | 1.6k |
| 2062F | Traveling Salescat | | | 2900 | 633 |
| 2061E | Kevin and And | | | 2000 | 4.1k |
| 2056E | Nested Segments | | | 2500 | 1.1k |
| 2056F1 | Xor of Median (Easy Version) | | | 2700 | 455 |
| 2056F2 | Xor of Median (Hard Version) | | | 3000 | 362 |
| 2053A | Tender Carpenter | | | 800 | 21.4k |
| 2053C | Bewitching Stargazer | | | 1500 | 12.6k |
| 2053F | Earnest Matrix Complement | | | 2600 | 963 |
| 2053I2 | Affectionate Arrays (Hard Version) | | | 3500 | 110 |
| 2052M | Managing Cluster | | | 2700 | 403 |
| 2050C | Uninteresting Number | | | 1200 | 25.6k |
| 2048F | Kevin and Math Class | | | 2500 | 1.3k |
| 2048G | Kevin and Matrices | | | 2800 | 761 |
| 2044H | Hard Demon Problem | | | 2100 | 2.7k |
| 2043C | Sums on Segments | | | 1600 | 11.5k |
| 2041H | Sheet Music | | | 2300 | 1.1k |
| 2040E | Control of Randomness | | | 2100 | 2.8k |
| 2040F | Number of Cubes | | | 2700 | 469 |
| 2039E | Shohag Loves Inversions | | | 2200 | 2.4k |
| 2039F1 | Shohag Loves Counting (Easy Version) | | | 2800 | 527 |
| 2038K | Grid Walk | | | 2100 | 1.8k |
| 2038L | Bridge Renovation | | | 1400 | 8.3k |
| 2037G | Natlan Exploring | | | 2000 | 3.9k |
| 2034F1 | Khayyam's Royal Decree (Easy Version) | | | 2500 | 910 |
| 2034F2 | Khayyam's Royal Decree (Hard Version) | | | 2800 | 610 |
| 2033D | Kousuke's Assignment | | | 1300 | 18.6k |
| 2032F | Peanuts | | | 2700 | 501 |
| 2031A | Penchick and Modern Monument | | | 800 | 21.2k |
| 2031E | Penchick and Chloe's Trees | | | 2100 | 2.8k |
| 2030E | MEXimize the Score | | | 2200 | 2k |
| 2028E | Alice's Adventures in the Rabbit Hole | | | 2300 | 2k |
| 2027E2 | Bit Game (Hard Version) | | | 3100 | 111 |
| 2026D | Sums of Segments | | | 1900 | 6.1k |
| 2025B | Binomial Coefficients, Kind Of | | | 1100 | 19.9k |
| 2025D | Attribute Checks | | | 1800 | 8k |
| 2025E | Card Game | | | 2200 | 2.4k |
| 2023D | Many Games | | | 2900 | 612 |
| 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 |
| 2020E | Expected Power | | | 2000 | 4.1k |
| 2020F | Count Leaves | | | 2900 | 272 |
| 2018F1 | Speedbreaker Counting (Easy Version) | | | 2900 | 344 |
| 2018F2 | Speedbreaker Counting (Medium Version) | | | 3000 | 301 |
| 2018F3 | Speedbreaker Counting (Hard Version) | | | 3100 | 339 |
| 2013E | Prefix GCD | | | 2200 | 4.4k |
| 2008D | Sakurako's Hobby | | | 1100 | 23.9k |
| 2003D2 | Turtle and a MEX Problem (Hard Version) | | | 2100 | 4.7k |
| 2003E1 | Turtle and Inversions (Easy Version) | | | 2600 | 902 |
| 2003E2 | Turtle and Inversions (Hard Version) | | | 2700 | 654 |
| 2003F | Turtle and Three Sequences | | | 2800 | 838 |
| 2002F1 | Court Blue (Easy Version) | | | 2600 | 1k |
| 2002F2 | Court Blue (Hard Version) | | | 2800 | 597 |
| 2001E1 | Deterministic Heap (Easy Version) | | | 2400 | 1.6k |
| 2000F | Color Rows and Columns | | | 1900 | 7.1k |
| 1999E | Triple Operations | | | 1300 | 24.3k |
| 1997F | Chips on a Line | | | 2700 | 1.3k |
| 1994G | Minecraft | | | 2600 | 1.7k |
| 1992G | Ultra-Meow | | | 2000 | 4.3k |
| 1991H | Prime Split Game | | | 3300 | 580 |
| 1989D | Smithing Skill | | | 1900 | 7.2k |
| 1989E | Distance to Different | | | 2300 | 2.6k |
| 1988F | Heartbeat | | | 3000 | 481 |
| 1986D | Mathematical Problem | | | 1400 | 18.2k |
| 1984C1 | Magnitude (Easy Version) | | | 1300 | 20.5k |
| 1984C2 | Magnitude (Hard Version) | | | 1700 | 8.8k |
| 1984F | Reconstruction | | | 2500 | 1.2k |
| 1982E | Number of k-good subarrays | | | 2300 | 1.9k |
| 1977C | Nikita and LCM | | | 1900 | 8.2k |
| 1975F | Set | | | 2600 | 1.1k |
| 1973A | Chess For Three | | | 900 | 28.9k |
| 1968G2 | Division + LCP (hard version) | | | 2200 | 2.6k |
| 1967C | Fenwick Tree | | | 2300 | 2.3k |
| 1967E1 | Again Counting Arrays (Easy Version) | | | 3100 | 449 |
| 1967E2 | Again Counting Arrays (Hard Version) | | | 3500 | 231 |
| 1957C | How Does the Rook Move? | | | 1600 | 12.2k |
| 1957D | A BIT of an Inequality | | | 1900 | 6k |
| 1957E | Carousel of Combinations | | | 2400 | 1.7k |
| 1956D | Nene and the Mex Operator | | | 2000 | 4.9k |
| 1955F | Unfair Game | | | 1800 | 8.9k |
| 1955G | GCD on a grid | | | 1900 | 6.1k |
| 1954D | Colored Balls | | | 1800 | 8.3k |
| 1954F | Unique Strings | | | 3100 | 427 |
| 1946B | Maximum Sum | | | 1100 | 23.9k |