| 301421 | CF267A. Subtractions | 0 | 0 | 0.000% |
| 301422 | CF267B. Dominoes | 0 | 0 | 0.000% |
| 301423 | CF267C. Berland Traffic | 0 | 0 | 0.000% |
| 301426 | CF268C. Beautiful Sets of Points | 0 | 0 | 0.000% |
| 301428 | CF268E. Playlist | 0 | 0 | 0.000% |
| 301432 | CF269D. Maximum Waterfall | 0 | 0 | 0.000% |
| 301433 | CF269E. String Theory | 0 | 0 | 0.000% |
| 301435 | CF270B. Multithreading | 0 | 0 | 0.000% |
| 301436 | CF270C. Magical Boxes | 0 | 0 | 0.000% |
| 301438 | CF270E. Flawed Flow | 0 | 0 | 0.000% |
| 301442 | CF271D. Good Substrings | 0 | 0 | 0.000% |
| 301447 | CF272D. Dima and Two Sequences | 0 | 0 | 0.000% |
| 301448 | CF272E. Dima and Horses | 0 | 0 | 0.000% |
| 301450 | CF273B. Dima and Two Sequences | 0 | 0 | 0.000% |
| 301454 | CF274A. k-Multiple Free Set | 0 | 0 | 0.000% |
| 301457 | CF274D. Lovely Matrix | 0 | 0 | 0.000% |
| 301461 | CF275C. k-Multiple Free Set | 0 | 0 | 0.000% |
| 301466 | CF276C. Little Girl and Maximum Sum | 0 | 0 | 0.000% |
| 301469 | CF277A. Learning Languages | 0 | 0 | 0.000% |
| 301470 | CF277B. Set of Points | 0 | 0 | 0.000% |
| 301473 | CF277E. Binary Tree on Plane | 0 | 0 | 0.000% |
| 301474 | CF278A. Circle Line | 0 | 0 | 0.000% |
| 301475 | CF278B. New Problem | 0 | 0 | 0.000% |
| 301476 | CF278C. Learning Languages | 0 | 0 | 0.000% |
| 301477 | CF278D. Set of Points | 0 | 0 | 0.000% |
| 301479 | CF279A. Point on Spiral | 0 | 0 | 0.000% |
| 301482 | CF279D. The Minimum Number of Variables | 0 | 0 | 0.000% |
| 301489 | CF281A. Word Capitalization | 0 | 0 | 0.000% |
| 301495 | CF282B. Painting Eggs | 0 | 0 | 0.000% |
| 301501 | CF283C. Coin Troubles | 0 | 0 | 0.000% |
| 301503 | CF283E. Cow Tennis Tournament | 0 | 0 | 0.000% |
| 301508 | CF284E. Coin Troubles | 0 | 0 | 0.000% |
| 301509 | CF285A. Slightly Decreasing Permutations | 0 | 0 | 0.000% |
| 301510 | CF285B. Find Marble | 0 | 0 | 0.000% |
| 301511 | CF285C. Building Permutation | 0 | 0 | 0.000% |
| 301512 | CF285D. Permutation Sum | 0 | 0 | 0.000% |
| 301513 | CF285E. Positions in Permutations | 0 | 0 | 0.000% |
| 301515 | CF286B. Shifting | 0 | 0 | 0.000% |
| 301516 | CF286C. Main Sequence | 0 | 0 | 0.000% |
| 301517 | CF286D. Tourists | 0 | 0 | 0.000% |
| 301520 | CF287B. Pipeline | 0 | 0 | 0.000% |
| 301522 | CF287D. Shifting | 0 | 0 | 0.000% |
| 301523 | CF287E. Main Sequence | 0 | 0 | 0.000% |
| 301524 | CF288A. Polo the Penguin and Strings | 0 | 0 | 0.000% |
| 301525 | CF288B. Polo the Penguin and Houses | 0 | 0 | 0.000% |
| 301526 | CF288C. Polo the Penguin and XOR operation | 0 | 0 | 0.000% |
| 301527 | CF288D. Polo the Penguin and Trees | 0 | 0 | 0.000% |
| 301528 | CF288E. Polo the Penguin and Lucky Numbers | 0 | 0 | 0.000% |
| 301529 | CF289A. Polo the Penguin and Segments | 0 | 0 | 0.000% |
| 301530 | CF289B. Polo the Penguin and Matrix | 0 | 0 | 0.000% |
| 301531 | CF289C. Polo the Penguin and Strings | 0 | 0 | 0.000% |
| 301532 | CF289D. Polo the Penguin and Houses | 0 | 0 | 0.000% |
| 301533 | CF289E. Polo the Penguin and XOR operation | 0 | 0 | 0.000% |
| 301534 | CF290A. Mysterious strings | 0 | 0 | 0.000% |
| 301540 | CF291A. Spyke Talks | 0 | 0 | 0.000% |
| 301541 | CF291B. Command Line Arguments | 0 | 0 | 0.000% |
| 301543 | CF291D. Parallel Programming | 0 | 0 | 0.000% |
| 301544 | CF291E. Tree-String Problem | 0 | 0 | 0.000% |
| 301549 | CF292E. Copying Data | 0 | 0 | 0.000% |
| 301551 | CF293B. Distinct Paths | 0 | 0 | 0.000% |
| 301557 | CF294C. Shaass and Lights | 0 | 0 | 0.000% |
| 301558 | CF294D. Shaass and Painter Robot | 0 | 0 | 0.000% |
| 301562 | CF295C. Greg and Friends | 0 | 0 | 0.000% |
| 301563 | CF295D. Greg and Caves | 0 | 0 | 0.000% |
| 301564 | CF295E. Yaroslav and Points | 0 | 0 | 0.000% |
| 301566 | CF296B. Yaroslav and Two Strings | 0 | 0 | 0.000% |
| 301569 | CF296E. Greg and Friends | 0 | 0 | 0.000% |
| 301572 | CF297C. Splitting the Uniqueness | 0 | 0 | 0.000% |
| 301574 | CF297E. Mystic Carvings | 0 | 0 | 0.000% |
| 301575 | CF298A. Snow Footprints | 0 | 0 | 0.000% |
| 301577 | CF298C. Parity Game | 0 | 0 | 0.000% |
| 301578 | CF298D. Fish Weight | 0 | 0 | 0.000% |
| 301579 | CF298E. Splitting the Uniqueness | 0 | 0 | 0.000% |
| 301580 | CF299A. Ksusha and Array | 0 | 0 | 0.000% |
| 301583 | CF299D. Distinct Paths | 0 | 0 | 0.000% |
| 301587 | CF300C. Beautiful Numbers | 0 | 0 | 0.000% |
| 301588 | CF300D. Painting Square | 0 | 0 | 0.000% |
| 301602 | CF303C. Minimum Modular | 0 | 0 | 0.000% |
| 301604 | CF303E. Random Ranking | 0 | 0 | 0.000% |
| 301609 | CF304E. Minimum Modular | 0 | 0 | 0.000% |
| 301611 | CF305B. Continued Fractions | 0 | 0 | 0.000% |
| 301613 | CF305D. Olya and Graph | 0 | 0 | 0.000% |
| 301614 | CF305E. Playing with String | 0 | 0 | 0.000% |
| 301615 | CF306A. Candies | 0 | 0 | 0.000% |
| 301616 | CF306B. Optimizer | 0 | 0 | 0.000% |
| 301617 | CF306C. White, Black and White Again | 0 | 0 | 0.000% |
| 301618 | CF306D. Polygon | 0 | 0 | 0.000% |
| 301619 | CF308A. Morning run | 0 | 0 | 0.000% |
| 301620 | CF308B. Context Advertising | 0 | 0 | 0.000% |
| 301621 | CF308C. Memory for Arrays | 0 | 0 | 0.000% |
| 301622 | CF308D. Tennis Rackets | 0 | 0 | 0.000% |
| 301623 | CF308E. Sheep | 0 | 0 | 0.000% |
| 301624 | CF309A. Morning run | 0 | 0 | 0.000% |
| 301625 | CF309B. Context Advertising | 0 | 0 | 0.000% |
| 301626 | CF309C. Memory for Arrays | 0 | 0 | 0.000% |
| 301627 | CF309D. Tennis Rackets | 0 | 0 | 0.000% |
| 301628 | CF309E. Sheep | 0 | 0 | 0.000% |
| 301632 | CF311D. Interval Cubing | 0 | 0 | 0.000% |
| 301634 | CF312A. Whose sentence is it? | 0 | 0 | 0.000% |
| 301641 | CF313C. Ilya and Matrix | 0 | 0 | 0.000% |