| 301325 | CF247E. Mad Joe | 0 | 0 | 0.000% |
| 301327 | CF248B. Chilly Willy | 0 | 0 | 0.000% |
| 301330 | CF248E. Piglet's Birthday | 0 | 0 | 0.000% |
| 301334 | CF249D. Donkey and Stars | 0 | 0 | 0.000% |
| 301335 | CF249E. Endless Matrix | 0 | 0 | 0.000% |
| 301340 | CF250E. Mad Joe | 0 | 0 | 0.000% |
| 301342 | CF251B. Playing with Permutations | 0 | 0 | 0.000% |
| 301343 | CF251C. Number Transformation | 0 | 0 | 0.000% |
| 301344 | CF251D. Two Sets | 0 | 0 | 0.000% |
| 301350 | CF252E. Number Transformation | 0 | 0 | 0.000% |
| 301364 | CF255D. Mr. Bender and Square | 0 | 0 | 0.000% |
| 301365 | CF255E. Furlo and Rublo and Game | 0 | 0 | 0.000% |
| 301367 | CF256B. Mr. Bender and Square | 0 | 0 | 0.000% |
| 301373 | CF257C. View Angle | 0 | 0 | 0.000% |
| 301374 | CF257D. Sum | 0 | 0 | 0.000% |
| 301376 | CF258A. Little Elephant and Bits | 0 | 0 | 0.000% |
| 301378 | CF258C. Little Elephant and LCM | 0 | 0 | 0.000% |
| 301379 | CF258D. Little Elephant and Broken Sorting | 0 | 0 | 0.000% |
| 301382 | CF259B. Little Elephant and Magic Square | 0 | 0 | 0.000% |
| 301384 | CF259D. Little Elephant and Elections | 0 | 0 | 0.000% |
| 301385 | CF259E. Little Elephant and LCM | 0 | 0 | 0.000% |
| 301386 | CF260A. Adding Digits | 0 | 0 | 0.000% |
| 301391 | CF261A. Maxim and Discounts | 0 | 0 | 0.000% |
| 301392 | CF261B. Maxim and Restaurant | 0 | 0 | 0.000% |
| 301393 | CF261C. Maxim and Matrix | 0 | 0 | 0.000% |
| 301394 | CF261D. Maxim and Increasing Subsequence | 0 | 0 | 0.000% |
| 301395 | CF261E. Maxim and Calculator | 0 | 0 | 0.000% |
| 301396 | CF262A. Roma and Lucky Numbers | 0 | 0 | 0.000% |
| 301397 | CF262B. Roma and Changing Signs | 0 | 0 | 0.000% |
| 301398 | CF262C. Maxim and Discounts | 0 | 0 | 0.000% |
| 301399 | CF262D. Maxim and Restaurant | 0 | 0 | 0.000% |
| 301400 | CF262E. Maxim and Matrix | 0 | 0 | 0.000% |
| 301401 | CF263A. Beautiful Matrix | 0 | 0 | 0.000% |
| 301418 | CF266C. Below the Diagonal | 0 | 0 | 0.000% |
| 301419 | CF266D. BerDonalds | 0 | 0 | 0.000% |
| 301420 | CF266E. More Queries to Array... | 0 | 0 | 0.000% |
| 301421 | CF267A. Subtractions | 0 | 0 | 0.000% |
| 301423 | CF267C. Berland Traffic | 0 | 0 | 0.000% |
| 301425 | CF268B. Buttons | 0 | 0 | 0.000% |
| 301428 | CF268E. Playlist | 0 | 0 | 0.000% |
| 301429 | CF269A. Magical Boxes | 0 | 0 | 0.000% |
| 301432 | CF269D. Maximum Waterfall | 0 | 0 | 0.000% |
| 301433 | CF269E. String Theory | 0 | 0 | 0.000% |
| 301434 | CF270A. Fancy Fence | 0 | 0 | 0.000% |
| 301436 | CF270C. Magical Boxes | 0 | 0 | 0.000% |
| 301440 | CF271B. Prime Matrix | 0 | 0 | 0.000% |
| 301443 | CF271E. Three Horses | 0 | 0 | 0.000% |
| 301444 | CF272A. Dima and Friends | 0 | 0 | 0.000% |
| 301445 | CF272B. Dima and Sequence | 0 | 0 | 0.000% |
| 301446 | CF272C. Dima and Staircase | 0 | 0 | 0.000% |
| 301447 | CF272D. Dima and Two Sequences | 0 | 0 | 0.000% |
| 301448 | CF272E. Dima and Horses | 0 | 0 | 0.000% |
| 301449 | CF273A. Dima and Staircase | 0 | 0 | 0.000% |
| 301450 | CF273B. Dima and Two Sequences | 0 | 0 | 0.000% |
| 301451 | CF273C. Dima and Horses | 0 | 0 | 0.000% |
| 301452 | CF273D. Dima and Figure | 0 | 0 | 0.000% |
| 301453 | CF273E. Dima and Game | 0 | 0 | 0.000% |
| 301457 | CF274D. Lovely Matrix | 0 | 0 | 0.000% |
| 301466 | CF276C. Little Girl and Maximum Sum | 0 | 0 | 0.000% |
| 301467 | CF276D. Little Girl and Maximum XOR | 0 | 0 | 0.000% |
| 301482 | CF279D. The Minimum Number of Variables | 0 | 0 | 0.000% |
| 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% |
| 301492 | CF281D. Maximum Xor Secondary | 0 | 0 | 0.000% |
| 301493 | CF281E. Game on Tree | 0 | 0 | 0.000% |
| 301495 | CF282B. Painting Eggs | 0 | 0 | 0.000% |
| 301496 | CF282C. XOR and OR | 0 | 0 | 0.000% |
| 301498 | CF282E. Sausage Maximization | 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% |
| 301510 | CF285B. Find Marble | 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% |
| 301516 | CF286C. Main Sequence | 0 | 0 | 0.000% |
| 301518 | CF286E. Ladies' Shop | 0 | 0 | 0.000% |
| 301520 | CF287B. Pipeline | 0 | 0 | 0.000% |
| 301521 | CF287C. Lucky Permutation | 0 | 0 | 0.000% |
| 301523 | CF287E. Main Sequence | 0 | 0 | 0.000% |
| 301526 | CF288C. Polo the Penguin and XOR operation | 0 | 0 | 0.000% |
| 301528 | CF288E. Polo the Penguin and Lucky Numbers | 0 | 0 | 0.000% |
| 301530 | CF289B. Polo the Penguin and Matrix | 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% |
| 301541 | CF291B. Command Line Arguments | 0 | 0 | 0.000% |
| 301542 | CF291C. Network Mask | 0 | 0 | 0.000% |
| 301552 | CF293C. Cube Problem | 0 | 0 | 0.000% |
| 301553 | CF293D. Ksusha and Square | 0 | 0 | 0.000% |
| 301555 | CF294A. Shaass and Oskols | 0 | 0 | 0.000% |
| 301565 | CF296A. Yaroslav and Permutations | 0 | 0 | 0.000% |
| 301577 | CF298C. Parity Game | 0 | 0 | 0.000% |
| 301578 | CF298D. Fish Weight | 0 | 0 | 0.000% |
| 301589 | CF300E. Empire Strikes Back | 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% |