| 301288 | CF241C. Mirror Box | 0 | 0 | 0.000% |
| 301291 | CF241F. Race | 0 | 0 | 0.000% |
| 301293 | CF242A. Heads or Tails | 0 | 0 | 0.000% |
| 301294 | CF242B. Big Segment | 0 | 0 | 0.000% |
| 301300 | CF243C. Colorado Potato Beetle | 0 | 0 | 0.000% |
| 301303 | CF244A. Dividing Orange | 0 | 0 | 0.000% |
| 301308 | CF245A. System Administrator | 0 | 0 | 0.000% |
| 301309 | CF245B. Internet Address | 0 | 0 | 0.000% |
| 301312 | CF245E. Mishap in Club | 0 | 0 | 0.000% |
| 301313 | CF245F. Log Stream Analysis | 0 | 0 | 0.000% |
| 301326 | CF248A. Cupboards | 0 | 0 | 0.000% |
| 301329 | CF248D. Sweets for Everyone! | 0 | 0 | 0.000% |
| 301337 | CF250B. Restoring IPv6 | 0 | 0 | 0.000% |
| 301342 | CF251B. Playing with Permutations | 0 | 0 | 0.000% |
| 301345 | CF251E. Tree and Table | 0 | 0 | 0.000% |
| 301346 | CF252A. Little Xor | 0 | 0 | 0.000% |
| 301349 | CF252D. Playing with Permutations | 0 | 0 | 0.000% |
| 301355 | CF253E. Printer | 0 | 0 | 0.000% |
| 301357 | CF254B. Jury Size | 0 | 0 | 0.000% |
| 301359 | CF254D. Rats | 0 | 0 | 0.000% |
| 301360 | CF254E. Dormitory | 0 | 0 | 0.000% |
| 301361 | CF255A. Greg's Workout | 0 | 0 | 0.000% |
| 301362 | CF255B. Code Parsing | 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% |
| 301371 | CF257A. Sockets | 0 | 0 | 0.000% |
| 301372 | CF257B. Playing Cubes | 0 | 0 | 0.000% |
| 301375 | CF257E. Greedy Elevator | 0 | 0 | 0.000% |
| 301382 | CF259B. Little Elephant and Magic Square | 0 | 0 | 0.000% |
| 301386 | CF260A. Adding Digits | 0 | 0 | 0.000% |
| 301387 | CF260B. Ancient Prophesy | 0 | 0 | 0.000% |
| 301388 | CF260C. Balls and Boxes | 0 | 0 | 0.000% |
| 301396 | CF262A. Roma and Lucky Numbers | 0 | 0 | 0.000% |
| 301401 | CF263A. Beautiful Matrix | 0 | 0 | 0.000% |
| 301402 | CF263B. Squares | 0 | 0 | 0.000% |
| 301403 | CF263C. Circle of Numbers | 0 | 0 | 0.000% |
| 301406 | CF264A. Escape from Stones | 0 | 0 | 0.000% |
| 301411 | CF265A. Colorful Stones (Simplified Edition) | 0 | 0 | 0.000% |
| 301412 | CF265B. Roadside Trees (Simplified Edition) | 0 | 0 | 0.000% |
| 301413 | CF265C. Escape from Stones | 0 | 0 | 0.000% |
| 301416 | CF266A. Stones on the Table | 0 | 0 | 0.000% |
| 301417 | CF266B. Queue at the School | 0 | 0 | 0.000% |
| 301425 | CF268B. Buttons | 0 | 0 | 0.000% |
| 301426 | CF268C. Beautiful Sets of Points | 0 | 0 | 0.000% |
| 301434 | CF270A. Fancy Fence | 0 | 0 | 0.000% |
| 301435 | CF270B. Multithreading | 0 | 0 | 0.000% |
| 301436 | CF270C. Magical Boxes | 0 | 0 | 0.000% |
| 301441 | CF271C. Secret | 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% |
| 301458 | CF274E. Mirror Room | 0 | 0 | 0.000% |
| 301459 | CF275A. Lights Out | 0 | 0 | 0.000% |
| 301460 | CF275B. Convex Shape | 0 | 0 | 0.000% |
| 301464 | CF276A. Lunch Rush | 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% |
| 301471 | CF277C. Game | 0 | 0 | 0.000% |
| 301474 | CF278A. Circle Line | 0 | 0 | 0.000% |
| 301479 | CF279A. Point on Spiral | 0 | 0 | 0.000% |
| 301480 | CF279B. Books | 0 | 0 | 0.000% |
| 301481 | CF279C. Ladder | 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% |
| 301489 | CF281A. Word Capitalization | 0 | 0 | 0.000% |
| 301490 | CF281B. Nearest Fraction | 0 | 0 | 0.000% |
| 301491 | CF281C. Rectangle Puzzle | 0 | 0 | 0.000% |
| 301494 | CF282A. Bit++ | 0 | 0 | 0.000% |
| 301496 | CF282C. XOR and OR | 0 | 0 | 0.000% |
| 301499 | CF283A. Cows and Sequence | 0 | 0 | 0.000% |
| 301504 | CF284A. Cows and Primitive Roots | 0 | 0 | 0.000% |
| 301505 | CF284B. Cows and Poker Game | 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% |
| 301515 | CF286B. Shifting | 0 | 0 | 0.000% |
| 301516 | CF286C. Main Sequence | 0 | 0 | 0.000% |
| 301519 | CF287A. IQ Test | 0 | 0 | 0.000% |
| 301521 | CF287C. Lucky Permutation | 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% |
| 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% |
| 301533 | CF289E. Polo the Penguin and XOR operation | 0 | 0 | 0.000% |
| 301534 | CF290A. Mysterious strings | 0 | 0 | 0.000% |
| 301535 | CF290B. QR code | 0 | 0 | 0.000% |
| 301536 | CF290C. WTF? | 0 | 0 | 0.000% |
| 301537 | CF290D. Orange | 0 | 0 | 0.000% |
| 301540 | CF291A. Spyke Talks | 0 | 0 | 0.000% |
| 301541 | CF291B. Command Line Arguments | 0 | 0 | 0.000% |
| 301542 | CF291C. Network Mask | 0 | 0 | 0.000% |
| 301545 | CF292A. SMSC | 0 | 0 | 0.000% |
| 301546 | CF292B. Network Topology | 0 | 0 | 0.000% |
| 301555 | CF294A. Shaass and Oskols | 0 | 0 | 0.000% |
| 301558 | CF294D. Shaass and Painter Robot | 0 | 0 | 0.000% |
| 301560 | CF295A. Greg and Array | 0 | 0 | 0.000% |