| 301274 | CF238E. Meeting Her | 0 | 0 | 0.000% |
| 301275 | CF239A. Two Bags of Potatoes | 0 | 0 | 0.000% |
| 301277 | CF239C. Not Wool Sequences | 0 | 0 | 0.000% |
| 301279 | CF239E. World Eater Brothers | 0 | 0 | 0.000% |
| 301284 | CF240E. Road Repairs | 0 | 0 | 0.000% |
| 301286 | CF241A. Old Peykan | 0 | 0 | 0.000% |
| 301287 | CF241B. Friends | 0 | 0 | 0.000% |
| 301288 | CF241C. Mirror Box | 0 | 0 | 0.000% |
| 301289 | CF241D. Numbers | 0 | 0 | 0.000% |
| 301290 | CF241E. Flights | 0 | 0 | 0.000% |
| 301291 | CF241F. Race | 0 | 0 | 0.000% |
| 301292 | CF241G. Challenging Balloons | 0 | 0 | 0.000% |
| 301293 | CF242A. Heads or Tails | 0 | 0 | 0.000% |
| 301295 | CF242C. King's Path | 0 | 0 | 0.000% |
| 301296 | CF242D. Dispute | 0 | 0 | 0.000% |
| 301298 | CF243A. The Brand New Function | 0 | 0 | 0.000% |
| 301299 | CF243B. Hydra | 0 | 0 | 0.000% |
| 301305 | CF244C. The Brand New Function | 0 | 0 | 0.000% |
| 301306 | CF244D. Hydra | 0 | 0 | 0.000% |
| 301310 | CF245C. Game with Coins | 0 | 0 | 0.000% |
| 301312 | CF245E. Mishap in Club | 0 | 0 | 0.000% |
| 301314 | CF245G. Suggested Friends | 0 | 0 | 0.000% |
| 301315 | CF245H. Queries for Number of Palindromes | 0 | 0 | 0.000% |
| 301317 | CF246B. Increase and Decrease | 0 | 0 | 0.000% |
| 301319 | CF246D. Colorful Graph | 0 | 0 | 0.000% |
| 301327 | CF248B. Chilly Willy | 0 | 0 | 0.000% |
| 301330 | CF248E. Piglet's Birthday | 0 | 0 | 0.000% |
| 301333 | CF249C. Piglet's Birthday | 0 | 0 | 0.000% |
| 301334 | CF249D. Donkey and Stars | 0 | 0 | 0.000% |
| 301335 | CF249E. Endless Matrix | 0 | 0 | 0.000% |
| 301342 | CF251B. Playing with Permutations | 0 | 0 | 0.000% |
| 301344 | CF251D. Two Sets | 0 | 0 | 0.000% |
| 301349 | CF252D. Playing with Permutations | 0 | 0 | 0.000% |
| 301352 | CF253B. Physics Practical | 0 | 0 | 0.000% |
| 301353 | CF253C. Text Editor | 0 | 0 | 0.000% |
| 301354 | CF253D. Table with Letters - 2 | 0 | 0 | 0.000% |
| 301356 | CF254A. Cards with Numbers | 0 | 0 | 0.000% |
| 301359 | CF254D. Rats | 0 | 0 | 0.000% |
| 301363 | CF255C. Almost Arithmetical Progression | 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% |
| 301366 | CF256A. Almost Arithmetical Progression | 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% |
| 301377 | CF258B. Little Elephant and Elections | 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% |
| 301380 | CF258E. Little Elephant and Tree | 0 | 0 | 0.000% |
| 301381 | CF259A. Little Elephant and Chess | 0 | 0 | 0.000% |
| 301382 | CF259B. Little Elephant and Magic Square | 0 | 0 | 0.000% |
| 301383 | CF259C. Little Elephant and Bits | 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% |
| 301387 | CF260B. Ancient Prophesy | 0 | 0 | 0.000% |
| 301389 | CF260D. Black and White Tree | 0 | 0 | 0.000% |
| 301392 | CF261B. Maxim and Restaurant | 0 | 0 | 0.000% |
| 301393 | CF261C. Maxim and Matrix | 0 | 0 | 0.000% |
| 301397 | CF262B. Roma and Changing Signs | 0 | 0 | 0.000% |
| 301404 | CF263D. Cycle in Graph | 0 | 0 | 0.000% |
| 301405 | CF263E. Rhombus | 0 | 0 | 0.000% |
| 301408 | CF264C. Choosing Balls | 0 | 0 | 0.000% |
| 301415 | CF265E. Choosing Balls | 0 | 0 | 0.000% |
| 301416 | CF266A. Stones on the Table | 0 | 0 | 0.000% |
| 301417 | CF266B. Queue at the School | 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% |
| 301422 | CF267B. Dominoes | 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% |
| 301430 | CF269B. Greenhouse Effect | 0 | 0 | 0.000% |
| 301431 | CF269C. Flawed Flow | 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% |
| 301435 | CF270B. Multithreading | 0 | 0 | 0.000% |
| 301436 | CF270C. Magical Boxes | 0 | 0 | 0.000% |
| 301437 | CF270D. Greenhouse Effect | 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% |
| 301447 | CF272D. Dima and Two Sequences | 0 | 0 | 0.000% |
| 301448 | CF272E. Dima and Horses | 0 | 0 | 0.000% |
| 301451 | CF273C. Dima and Horses | 0 | 0 | 0.000% |
| 301456 | CF274C. The Last Hole! | 0 | 0 | 0.000% |
| 301457 | CF274D. Lovely Matrix | 0 | 0 | 0.000% |
| 301459 | CF275A. Lights Out | 0 | 0 | 0.000% |
| 301460 | CF275B. Convex Shape | 0 | 0 | 0.000% |
| 301463 | CF275E. The Last Hole! | 0 | 0 | 0.000% |
| 301464 | CF276A. Lunch Rush | 0 | 0 | 0.000% |
| 301467 | CF276D. Little Girl and Maximum XOR | 0 | 0 | 0.000% |
| 301468 | CF276E. Little Girl and Problem on Trees | 0 | 0 | 0.000% |
| 301482 | CF279D. The Minimum Number of Variables | 0 | 0 | 0.000% |