| 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% |
| 301537 | CF290D. Orange | 0 | 0 | 0.000% |
| 301539 | CF290F. Greedy Petya | 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% |
| 301546 | CF292B. Network Topology | 0 | 0 | 0.000% |
| 301549 | CF292E. Copying Data | 0 | 0 | 0.000% |
| 301550 | CF293A. Weird Game | 0 | 0 | 0.000% |
| 301553 | CF293D. Ksusha and Square | 0 | 0 | 0.000% |
| 301556 | CF294B. Shaass and Bookshelf | 0 | 0 | 0.000% |
| 301557 | CF294C. Shaass and Lights | 0 | 0 | 0.000% |
| 301559 | CF294E. Shaass the Great | 0 | 0 | 0.000% |
| 301560 | CF295A. Greg and Array | 0 | 0 | 0.000% |
| 301561 | CF295B. Greg and Graph | 0 | 0 | 0.000% |
| 301562 | CF295C. Greg and Friends | 0 | 0 | 0.000% |
| 301563 | CF295D. Greg and Caves | 0 | 0 | 0.000% |
| 301565 | CF296A. Yaroslav and Permutations | 0 | 0 | 0.000% |
| 301566 | CF296B. Yaroslav and Two Strings | 0 | 0 | 0.000% |
| 301567 | CF296C. Greg and Array | 0 | 0 | 0.000% |
| 301568 | CF296D. Greg and Graph | 0 | 0 | 0.000% |
| 301569 | CF296E. Greg and Friends | 0 | 0 | 0.000% |
| 301570 | CF297A. Parity Game | 0 | 0 | 0.000% |
| 301571 | CF297B. Fish Weight | 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% |
| 301576 | CF298B. Sail | 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% |
| 301582 | CF299C. Weird Game | 0 | 0 | 0.000% |
| 301586 | CF300B. Coach | 0 | 0 | 0.000% |
| 301588 | CF300D. Painting Square | 0 | 0 | 0.000% |
| 301591 | CF301B. Yaroslav and Time | 0 | 0 | 0.000% |
| 301592 | CF301C. Yaroslav and Algorithm | 0 | 0 | 0.000% |
| 301594 | CF301E. Yaroslav and Arrangements | 0 | 0 | 0.000% |
| 301595 | CF302A. Eugeny and Array | 0 | 0 | 0.000% |
| 301596 | CF302B. Eugeny and Play List | 0 | 0 | 0.000% |
| 301599 | CF302E. Yaroslav and Algorithm | 0 | 0 | 0.000% |
| 301601 | CF303B. Rectangle Puzzle II | 0 | 0 | 0.000% |
| 301602 | CF303C. Minimum Modular | 0 | 0 | 0.000% |
| 301604 | CF303E. Random Ranking | 0 | 0 | 0.000% |
| 301605 | CF304A. Pythagorean Theorem II | 0 | 0 | 0.000% |
| 301608 | CF304D. Rectangle Puzzle II | 0 | 0 | 0.000% |
| 301609 | CF304E. Minimum Modular | 0 | 0 | 0.000% |
| 301610 | CF305A. Strange Addition | 0 | 0 | 0.000% |
| 301612 | CF305C. Ivan and Powers of Two | 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% |
| 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% |
| 301631 | CF311C. Fetch the Treasure | 0 | 0 | 0.000% |
| 301632 | CF311D. Interval Cubing | 0 | 0 | 0.000% |
| 301633 | CF311E. Biologist | 0 | 0 | 0.000% |
| 301634 | CF312A. Whose sentence is it? | 0 | 0 | 0.000% |
| 301638 | CF312E. Fetch the Treasure | 0 | 0 | 0.000% |
| 301641 | CF313C. Ilya and Matrix | 0 | 0 | 0.000% |
| 301643 | CF313E. Ilya and Two Numbers | 0 | 0 | 0.000% |
| 301645 | CF314B. Sereja and Periods | 0 | 0 | 0.000% |
| 301647 | CF314D. Sereja and Straight Lines | 0 | 0 | 0.000% |
| 301651 | CF315C. Sereja and Contest | 0 | 0 | 0.000% |
| 301652 | CF315D. Sereja and Periods | 0 | 0 | 0.000% |
| 301654 | CF316A1. Special Task | 0 | 0 | 0.000% |
| 301656 | CF316B1. EKG | 0 | 0 | 0.000% |
| 301657 | CF316B2. EKG | 0 | 0 | 0.000% |
| 301658 | CF316C1. Tidying Up | 0 | 0 | 0.000% |
| 301659 | CF316C2. Tidying Up | 0 | 0 | 0.000% |
| 301669 | CF316G1. Good Substrings | 0 | 0 | 0.000% |
| 301670 | CF316G2. Good Substrings | 0 | 0 | 0.000% |
| 301671 | CF316G3. Good Substrings | 0 | 0 | 0.000% |
| 301674 | CF317C. Balance | 0 | 0 | 0.000% |
| 301675 | CF317D. Game with Powers | 0 | 0 | 0.000% |
| 301678 | CF318B. Strings of Power | 0 | 0 | 0.000% |
| 301679 | CF318C. Perfect Pair | 0 | 0 | 0.000% |
| 301684 | CF319C. Kalila and Dimna in the Logging Industry | 0 | 0 | 0.000% |
| 301685 | CF319D. Have You Ever Heard About the Word? | 0 | 0 | 0.000% |
| 301686 | CF319E. Ping-Pong | 0 | 0 | 0.000% |
| 301687 | CF320A. Magic Numbers | 0 | 0 | 0.000% |
| 301688 | CF320B. Ping-Pong (Easy Version) | 0 | 0 | 0.000% |