| 301512 | CF285D. Permutation Sum | 0 | 0 | 0.000% |
| 301513 | CF285E. Positions in Permutations | 0 | 0 | 0.000% |
| 301514 | CF286A. Lucky Permutation | 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% |
| 301518 | CF286E. Ladies' Shop | 0 | 0 | 0.000% |
| 301519 | CF287A. IQ Test | 0 | 0 | 0.000% |
| 301520 | CF287B. Pipeline | 0 | 0 | 0.000% |
| 301521 | CF287C. Lucky Permutation | 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% |
| 301555 | CF294A. Shaass and Oskols | 0 | 0 | 0.000% |
| 301556 | CF294B. Shaass and Bookshelf | 0 | 0 | 0.000% |
| 301557 | CF294C. Shaass and Lights | 0 | 0 | 0.000% |
| 301558 | CF294D. Shaass and Painter Robot | 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% |
| 301564 | CF295E. Yaroslav and Points | 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% |
| 301573 | CF297D. Color the Carpet | 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% |
| 301585 | CF300A. Array | 0 | 0 | 0.000% |
| 301586 | CF300B. Coach | 0 | 0 | 0.000% |
| 301587 | CF300C. Beautiful Numbers | 0 | 0 | 0.000% |
| 301588 | CF300D. Painting Square | 0 | 0 | 0.000% |
| 301589 | CF300E. Empire Strikes Back | 0 | 0 | 0.000% |
| 301590 | CF301A. Yaroslav and Sequence | 0 | 0 | 0.000% |
| 301591 | CF301B. Yaroslav and Time | 0 | 0 | 0.000% |
| 301592 | CF301C. Yaroslav and Algorithm | 0 | 0 | 0.000% |
| 301593 | CF301D. Yaroslav and Divisors | 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% |
| 301597 | CF302C. Yaroslav and Sequence | 0 | 0 | 0.000% |
| 301598 | CF302D. Yaroslav and Time | 0 | 0 | 0.000% |
| 301599 | CF302E. Yaroslav and Algorithm | 0 | 0 | 0.000% |
| 301600 | CF303A. Lucky Permutation Triple | 0 | 0 | 0.000% |
| 301601 | CF303B. Rectangle Puzzle II | 0 | 0 | 0.000% |
| 301602 | CF303C. Minimum Modular | 0 | 0 | 0.000% |
| 301603 | CF303D. Rotatable Number | 0 | 0 | 0.000% |
| 301604 | CF303E. Random Ranking | 0 | 0 | 0.000% |
| 301605 | CF304A. Pythagorean Theorem II | 0 | 0 | 0.000% |
| 301606 | CF304B. Calendar | 0 | 0 | 0.000% |
| 301607 | CF304C. Lucky Permutation Triple | 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% |
| 301611 | CF305B. Continued Fractions | 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% |
| 301629 | CF311A. The Closest Pair | 0 | 0 | 0.000% |
| 301630 | CF311B. Cats Transport | 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% |
| 301635 | CF312B. Archer | 0 | 0 | 0.000% |
| 301636 | CF312C. The Closest Pair | 0 | 0 | 0.000% |
| 301637 | CF312D. Cats Transport | 0 | 0 | 0.000% |
| 301638 | CF312E. Fetch the Treasure | 0 | 0 | 0.000% |
| 301639 | CF313A. Ilya and Bank Account | 0 | 0 | 0.000% |
| 301640 | CF313B. Ilya and Queries | 0 | 0 | 0.000% |
| 301641 | CF313C. Ilya and Matrix | 0 | 0 | 0.000% |
| 301642 | CF313D. Ilya and Roads | 0 | 0 | 0.000% |
| 301643 | CF313E. Ilya and Two Numbers | 0 | 0 | 0.000% |
| 301644 | CF314A. Sereja and Contest | 0 | 0 | 0.000% |
| 301645 | CF314B. Sereja and Periods | 0 | 0 | 0.000% |
| 301646 | CF314C. Sereja and Subsequences | 0 | 0 | 0.000% |
| 301647 | CF314D. Sereja and Straight Lines | 0 | 0 | 0.000% |
| 301648 | CF314E. Sereja and Squares | 0 | 0 | 0.000% |
| 301649 | CF315A. Sereja and Bottles | 0 | 0 | 0.000% |
| 301650 | CF315B. Sereja and Array | 0 | 0 | 0.000% |
| 301651 | CF315C. Sereja and Contest | 0 | 0 | 0.000% |