| 2199H | Sum of MEX | | | 2300 | 100 |
| 2141E | Perfect Cut | | | 2100 | 262 |
| 2087E | Color the Arrows | | | unrated | 164 |
| 2087F | Weapon Upgrade | | | unrated | 70 |
| 2079A | Alice, Bob, And Two Arrays | | | 3300 | 41 |
| 2079B | Arithmetic Exercise | | | 2600 | 162 |
| 1958A | 1-3-5 | | | 1100 | 2.6k |
| 1958H | Composite Spells | | | 2600 | 97 |
| 1939A | Draw Polygon Lines | | | unrated | 30 |
| 1939D | Big Persimmon | | | unrated | 115 |
| 1910E | Maximum Sum Subarrays | | | 2100 | 248 |
| 1910I | Inverse Problem | | | 2700 | 70 |
| 1769C1 | Подкрутка I | | | 1200 | 1.1k |
| 1769C2 | Подкрутка II | | | 1300 | 1.1k |
| 1769D1 | Игра в Девятку I | | | 1800 | 423 |
| 1663D | Is it rated - 3 | | | unrated | 1.5k |
| 1571E | Fix the String | | | 1700 | 376 |
| 1571F | Kotlinforces | | | 2000 | 231 |
| 1571G | A Battle Against a Dragon | | | 2500 | 89 |
| 1533H | Submatrices | | | unrated | 92 |
| 1531C | Симметричный амфитеатр | | | unrated | 660 |
| 1488E | Palindromic Doubles | | | 2200 | 236 |
| 1431G | Number Deletion Game | | | 2100 | 212 |
| 1431J | Zero-XOR Array | | | 3400 | 55 |
| 1403C | Chess Rush | | | 3200 | 95 |
| 1402C | Star Trek | | | 2600 | 271 |
| 1387A | Graph | | | 2100 | 974 |
| 1387B1 | Village (Minimum) | | | 2100 | 2k |
| 1387C | Viruses | | | 2900 | 248 |
| 1346E | Magic Tricks | | | 1700 | 416 |
| 1346I | Pac-Man 2.0 | | | 2900 | 65 |
| 1331F | Elementary! | | | unrated | 607 |
| 1297G | M-numbers | | | unrated | 78 |
| 1297H | Paint the String | | | unrated | 53 |
| 1211H | Road Repair in Treeland | | | 3100 | 60 |
| 1193A | Amusement Park | | | unrated | 481 |
| 1193B | Magic Tree | | | unrated | 510 |
| 1192C | Cubeword | | | unrated | 371 |
| 1170I | Good Subsets | | | unrated | 47 |
| 1057C | Tanya and Colored Candies | | | 2000 | 1.2k |
| 928B | Chat | | | 1400 | 2.7k |
| 774I | Composing Of String | | | 2300 | 170 |
| 774J | Stepan's Series | | | 2000 | 453 |
| 637D | Running with Obstacles | | | 1600 | 2.1k |
| 522A | Reposts | | | 1200 | 19.3k |
| 522B | Photo to Remember | | | 1100 | 9.6k |
| 159D | Palindrome pairs | | | 1500 | 4.7k |
| 158E | Phone Talks | | | 1900 | 1.5k |
| 72G | Fibonacci army | | | 1000 | 2.9k |