| 301485 | CF280B. Maximum Xor Secondary | 0 | 0 | 0.000% |
| 301486 | CF280C. Game on Tree | 0 | 0 | 0.000% |
| 301487 | CF280D. k-Maximum Subsequence Sum | 0 | 0 | 0.000% |
| 301488 | CF280E. Sequence Transformation | 0 | 0 | 0.000% |
| 301489 | CF281A. Word Capitalization | 0 | 0 | 0.000% |
| 301490 | CF281B. Nearest Fraction | 0 | 0 | 0.000% |
| 301491 | CF281C. Rectangle Puzzle | 0 | 0 | 0.000% |
| 301492 | CF281D. Maximum Xor Secondary | 0 | 0 | 0.000% |
| 301493 | CF281E. Game on Tree | 0 | 0 | 0.000% |
| 301494 | CF282A. Bit++ | 0 | 0 | 0.000% |
| 301495 | CF282B. Painting Eggs | 0 | 0 | 0.000% |
| 301496 | CF282C. XOR and OR | 0 | 0 | 0.000% |
| 301497 | CF282D. Yet Another Number Game | 0 | 0 | 0.000% |
| 301498 | CF282E. Sausage Maximization | 0 | 0 | 0.000% |
| 301499 | CF283A. Cows and Sequence | 0 | 0 | 0.000% |
| 301500 | CF283B. Cow Program | 0 | 0 | 0.000% |
| 301501 | CF283C. Coin Troubles | 0 | 0 | 0.000% |
| 301502 | CF283D. Cows and Cool Sequences | 0 | 0 | 0.000% |
| 301503 | CF283E. Cow Tennis Tournament | 0 | 0 | 0.000% |
| 301504 | CF284A. Cows and Primitive Roots | 0 | 0 | 0.000% |
| 301505 | CF284B. Cows and Poker Game | 0 | 0 | 0.000% |
| 301506 | CF284C. Cows and Sequence | 0 | 0 | 0.000% |
| 301507 | CF284D. Cow Program | 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% |
| 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% |
| 301536 | CF290C. WTF? | 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% |
| 301577 | CF298C. Parity Game | 0 | 0 | 0.000% |
| 301601 | CF303B. Rectangle Puzzle II | 0 | 0 | 0.000% |
| 301608 | CF304D. Rectangle Puzzle II | 0 | 0 | 0.000% |
| 301611 | CF305B. Continued Fractions | 0 | 0 | 0.000% |
| 301669 | CF316G1. Good Substrings | 0 | 0 | 0.000% |
| 301672 | CF317A. Perfect Pair | 0 | 0 | 0.000% |
| 301673 | CF317B. Ants | 0 | 0 | 0.000% |
| 301674 | CF317C. Balance | 0 | 0 | 0.000% |
| 301675 | CF317D. Game with Powers | 0 | 0 | 0.000% |
| 301676 | CF317E. Princess and Her Shadow | 0 | 0 | 0.000% |
| 301692 | CF321A. Ciel and Robot | 0 | 0 | 0.000% |
| 301699 | CF322C. Ciel and Robot | 0 | 0 | 0.000% |
| 301707 | CF324B1. Shave Beaver! | 0 | 0 | 0.000% |
| 301730 | CF327C. Magic Five | 0 | 0 | 0.000% |
| 301747 | CF331B1. Shave Beaver! | 0 | 0 | 0.000% |
| 301795 | CF339C. Xenia and Weights | 0 | 0 | 0.000% |
| 301796 | CF339D. Xenia and Bit Operations | 0 | 0 | 0.000% |
| 301846 | CF349B. Color the Fence | 0 | 0 | 0.000% |
| 301900 | CF360A. Levko and Array Recovery | 0 | 0 | 0.000% |
| 301907 | CF361C. Levko and Array Recovery | 0 | 0 | 0.000% |
| 301950 | CF370A. Rook, Bishop and King | 0 | 0 | 0.000% |
| 301951 | CF370B. Berland Bingo | 0 | 0 | 0.000% |
| 301952 | CF370C. Mittens | 0 | 0 | 0.000% |
| 301953 | CF370D. Broken Monitor | 0 | 0 | 0.000% |
| 301954 | CF370E. Summer Reading | 0 | 0 | 0.000% |
| 302014 | CF382C. Arithmetic Progression | 0 | 0 | 0.000% |
| 302029 | CF385C. Bear and Prime Numbers | 0 | 0 | 0.000% |
| 302038 | CF387C. George and Number | 0 | 0 | 0.000% |
| 302131 | CF405D. Toy Sum | 0 | 0 | 0.000% |
| 302134 | CF406B. Toy Sum | 0 | 0 | 0.000% |
| 302148 | CF409A. The Great Game | 0 | 0 | 0.000% |
| 302149 | CF409B. Mysterious Language | 0 | 0 | 0.000% |
| 302150 | CF409C. Magnum Opus | 0 | 0 | 0.000% |
| 302151 | CF409D. Big Data | 0 | 0 | 0.000% |