| 305B | Continued Fractions | | | 1700 | 2.3k |
| 305D | Olya and Graph | | | 2200 | 582 |
| 304A | Pythagorean Theorem II | | | 1200 | 12.2k |
| 303A | Lucky Permutation Triple | | | 1300 | 8.6k |
| 303B | Rectangle Puzzle II | | | 1700 | 1.4k |
| 303C | Minimum Modular | | | 2400 | 988 |
| 303D | Rotatable Number | | | 2600 | 436 |
| 303E | Random Ranking | | | 3000 | 452 |
| 300E | Empire Strikes Back | | | 2300 | 1.1k |
| 296A | Yaroslav and Permutations | | | 1100 | 26.4k |
| 294A | Shaass and Oskols | | | 800 | 28.8k |
| 293C | Cube Problem | | | 2400 | 698 |
| 293D | Ksusha and Square | | | 2700 | 287 |
| 288C | Polo the Penguin and XOR operation | | | 1700 | 2.5k |
| 288E | Polo the Penguin and Lucky Numbers | | | 2800 | 379 |
| 287B | Pipeline | | | 1700 | 11.8k |
| 286A | Lucky Permutation | | | 1400 | 3.5k |
| 286E | Ladies' Shop | | | 2800 | 1.1k |
| 285E | Positions in Permutations | | | 2600 | 1.4k |
| 284A | Cows and Primitive Roots | | | 1400 | 7.4k |
| 283D | Cows and Cool Sequences | | | 2400 | 718 |
| 283E | Cow Tennis Tournament | | | 2800 | 948 |
| 282B | Painting Eggs | | | 1500 | 14.1k |
| 282C | XOR and OR | | | 1500 | 10.3k |
| 280C | Game on Tree | | | 2200 | 5.4k |
| 280E | Sequence Transformation | | | 3000 | 327 |
| 276D | Little Girl and Maximum XOR | | | 1700 | 16.8k |
| 272A | Dima and Friends | | | 1000 | 28k |
| 272B | Dima and Sequence | | | 1400 | 4.3k |
| 272D | Dima and Two Sequences | | | 1600 | 2.9k |
| 271B | Prime Matrix | | | 1300 | 15.8k |
| 271E | Three Horses | | | 2200 | 685 |
| 270A | Fancy Fence | | | 1100 | 51.6k |
| 269A | Magical Boxes | | | 1600 | 3.7k |
| 269E | String Theory | | | 3100 | 122 |
| 268B | Buttons | | | 1000 | 36.2k |
| 268E | Playlist | | | 2100 | 1.2k |
| 267A | Subtractions | | | 900 | 9.7k |
| 267C | Berland Traffic | | | 2700 | 285 |
| 266C | Below the Diagonal | | | 2100 | 1.5k |
| 266D | BerDonalds | | | 2400 | 1k |
| 266E | More Queries to Array... | | | 2500 | 1.2k |
| 261B | Maxim and Restaurant | | | 1900 | 1.6k |
| 261C | Maxim and Matrix | | | 2000 | 846 |
| 260A | Adding Digits | | | 1400 | 16.7k |
| 258A | Little Elephant and Bits | | | 1100 | 26.9k |
| 258C | Little Elephant and LCM | | | 2000 | 2k |
| 258D | Little Elephant and Broken Sorting | | | 2600 | 1.6k |
| 257C | View Angle | | | 1800 | 4.8k |
| 257D | Sum | | | 1900 | 1.7k |
| 255D | Mr. Bender and Square | | | 1800 | 2.2k |
| 255E | Furlo and Rublo and Game | | | 2200 | 1k |
| 251B | Playing with Permutations | | | 1800 | 1.4k |
| 251D | Two Sets | | | 2700 | 743 |
| 249D | Donkey and Stars | | | 2700 | 600 |
| 249E | Endless Matrix | | | 2600 | 378 |
| 248B | Chilly Willy | | | 1400 | 5.9k |
| 248E | Piglet's Birthday | | | 2600 | 692 |
| 246B | Increase and Decrease | | | 1300 | 12.4k |
| 241B | Friends | | | 2700 | 1k |
| 239A | Two Bags of Potatoes | | | 1200 | 20.8k |
| 238A | Not Wool Sequences | | | 1300 | 2.2k |
| 235B | Let's Play Osu! | | | 2000 | 4.5k |
| 235E | Number Challenge | | | 2600 | 963 |
| 233A | Perfect Permutation | | | 800 | 50k |
| 233B | Non-square Equation | | | 1400 | 8.4k |
| 232B | Table | | | 1900 | 1.7k |
| 230B | T-primes | | | 1300 | 99.5k |
| 229C | Triangles | | | 1900 | 1.8k |
| 229E | Gifts | | | 2600 | 617 |
| 226A | Flying Saucer Segments | | | 1400 | 4.4k |
| 226C | Anniversary | | | 2400 | 1k |
| 225E | Unsolvable | | | 2100 | 927 |
| 224A | Parallelepiped | | | 1100 | 30.7k |
| 223C | Partial Sums | | | 1900 | 1.8k |
| 222C | Reducing Fractions | | | 1800 | 3k |
| 221A | Little Elephant and Function | | | 1000 | 17k |
| 220D | Little Elephant and Triangle | | | 2500 | 359 |
| 217B | Blackboard Fibonacci | | | 2100 | 1.2k |
| 217D | Bitonix' Patrol | | | 2900 | 282 |
| 216A | Tiling with Hexagons | | | 1200 | 5.3k |
| 216E | Martian Luck | | | 2000 | 700 |
| 215B | Olympic Medal | | | 1300 | 6k |
| 214B | Hometask | | | 1600 | 5.4k |
| 212C | Cowboys | | | 2100 | 518 |
| 209A | Multicolored Marbles | | | 1600 | 2.9k |
| 209B | Pixels | | | 2100 | 505 |
| 204C | Little Elephant and Furik and Rubik | | | 2000 | 1.3k |
| 203D | Hit Ball | | | 1700 | 1.5k |
| 201A | Clear Symmetry | | | 1700 | 3.3k |
| 201B | Guess That Car! | | | 1800 | 1.4k |
| 200B | Drinks | | | 800 | 152.6k |
| 200E | Tractor College | | | 2400 | 374 |
| 198A | About Bacteria | | | 1700 | 3.4k |
| 197A | Plate Game | | | 1600 | 6.9k |
| 197B | Limit | | | 1400 | 5k |
| 195A | Let's Watch Football | | | 1000 | 10.3k |
| 195B | After Training | | | 1300 | 5.5k |
| 195D | Analyzing Polyline | | | 1900 | 1.1k |
| 194A | Exams | | | 900 | 11k |