| 304479 | CF854B. Maxim Buys an Apartment | 0 | 0 | 0.000% |
| 304480 | CF854C. Planning | 0 | 0 | 0.000% |
| 304481 | CF854D. Jury Meeting | 0 | 0 | 0.000% |
| 304482 | CF854E. Boredom | 0 | 0 | 0.000% |
| 304483 | CF855A. Tom Riddle's Diary | 0 | 0 | 0.000% |
| 304484 | CF855B. Marvolo Gaunt's Ring | 0 | 0 | 0.000% |
| 304485 | CF855C. Helga Hufflepuff's Cup | 0 | 0 | 0.000% |
| 304486 | CF855D. Rowena Ravenclaw's Diadem | 0 | 0 | 0.000% |
| 304487 | CF855E. Salazar Slytherin's Locket | 0 | 0 | 0.000% |
| 304488 | CF855F. Nagini | 0 | 0 | 0.000% |
| 304489 | CF855G. Harry Vs Voldemort | 0 | 0 | 0.000% |
| 304490 | CF856A. Set Theory | 0 | 0 | 0.000% |
| 304491 | CF856B. Similar Words | 0 | 0 | 0.000% |
| 304492 | CF856C. Eleventh Birthday | 0 | 0 | 0.000% |
| 304493 | CF856D. Masha and Cactus | 0 | 0 | 0.000% |
| 304494 | CF856E. Satellites | 0 | 0 | 0.000% |
| 304495 | CF856F. To Play or not to Play | 0 | 0 | 0.000% |
| 304499 | CF858D. Polycarp's phone book | 0 | 0 | 0.000% |
| 304500 | CF858E. Tests Renumeration | 0 | 0 | 0.000% |
| 304501 | CF858F. Wizard's Tour | 0 | 0 | 0.000% |
| 304502 | CF859A. Declined Finalists | 0 | 0 | 0.000% |
| 304503 | CF859B. Lazy Security Guard | 0 | 0 | 0.000% |
| 304504 | CF859C. Pie Rules | 0 | 0 | 0.000% |
| 304505 | CF859D. Third Month Insanity | 0 | 0 | 0.000% |
| 304506 | CF859E. Desk Disorder | 0 | 0 | 0.000% |
| 304507 | CF859F. Ordering T-Shirts | 0 | 0 | 0.000% |
| 304508 | CF859G. Circle of Numbers | 0 | 0 | 0.000% |
| 304509 | CF860A. Did you mean... | 0 | 0 | 0.000% |
| 304510 | CF860B. Polycarp's phone book | 0 | 0 | 0.000% |
| 304511 | CF860C. Tests Renumeration | 0 | 0 | 0.000% |
| 304512 | CF860D. Wizard's Tour | 0 | 0 | 0.000% |
| 304513 | CF860E. Arkady and a Nobody-men | 0 | 0 | 0.000% |
| 304514 | CF861A. k-rounding | 0 | 0 | 0.000% |
| 304515 | CF861B. Which floor? | 0 | 0 | 0.000% |
| 304516 | CF861C. Did you mean... | 0 | 0 | 0.000% |
| 304517 | CF861D. Polycarp's phone book | 0 | 0 | 0.000% |
| 304518 | CF861E. Tests Renumeration | 0 | 0 | 0.000% |
| 304519 | CF861F. Wizard's Tour | 0 | 0 | 0.000% |
| 304520 | CF862A. Mahmoud and Ehab and the MEX | 0 | 0 | 0.000% |
| 304521 | CF862B. Mahmoud and Ehab and the bipartiteness | 0 | 0 | 0.000% |
| 304522 | CF862C. Mahmoud and Ehab and the xor | 0 | 0 | 0.000% |
| 304523 | CF862D. Mahmoud and Ehab and the binary string | 0 | 0 | 0.000% |
| 304524 | CF862E. Mahmoud and Ehab and the function | 0 | 0 | 0.000% |
| 304525 | CF862F. Mahmoud and Ehab and the final stage | 0 | 0 | 0.000% |
| 304526 | CF863A. Quasi-palindrome | 0 | 0 | 0.000% |
| 304527 | CF863B. Kayaking | 0 | 0 | 0.000% |
| 304528 | CF863C. 1-2-3 | 0 | 0 | 0.000% |
| 304529 | CF863D. Yet Another Array Queries Problem | 0 | 0 | 0.000% |
| 304530 | CF863E. Turn Off The TV | 0 | 0 | 0.000% |
| 304531 | CF863F. Almost Permutation | 0 | 0 | 0.000% |
| 304532 | CF863G. Graphic Settings | 0 | 0 | 0.000% |
| 304533 | CF864A. Fair Game | 0 | 0 | 0.000% |
| 304534 | CF864B. Polycarp and Letters | 0 | 0 | 0.000% |
| 304535 | CF864C. Bus | 0 | 0 | 0.000% |
| 304536 | CF864D. Make a Permutation! | 0 | 0 | 0.000% |
| 304537 | CF864E. Fire | 0 | 0 | 0.000% |
| 304538 | CF864F. Cities Excursions | 0 | 0 | 0.000% |
| 304539 | CF865A. Save the problem! | 0 | 0 | 0.000% |
| 304540 | CF865B. Ordering Pizza | 0 | 0 | 0.000% |
| 304541 | CF865C. Gotta Go Fast | 0 | 0 | 0.000% |
| 304542 | CF865D. Buy Low Sell High | 0 | 0 | 0.000% |
| 304543 | CF865E. Hex Dyslexia | 0 | 0 | 0.000% |
| 304544 | CF865F. Egg Roulette | 0 | 0 | 0.000% |
| 304545 | CF865G. Flowers and Chocolate | 0 | 0 | 0.000% |
| 304546 | CF866A. Save the problem! | 0 | 0 | 0.000% |
| 304547 | CF866B. Ordering Pizza | 0 | 0 | 0.000% |
| 304548 | CF866C. Gotta Go Fast | 0 | 0 | 0.000% |
| 304549 | CF866D. Buy Low Sell High | 0 | 0 | 0.000% |
| 304550 | CF866E. Hex Dyslexia | 0 | 0 | 0.000% |
| 304551 | CF866F. Egg Roulette | 0 | 0 | 0.000% |
| 304552 | CF866G. Flowers and Chocolate | 0 | 0 | 0.000% |
| 304553 | CF867A. Between the Offices | 0 | 0 | 0.000% |
| 304554 | CF867B. Save the problem! | 0 | 0 | 0.000% |
| 304555 | CF867C. Ordering Pizza | 0 | 0 | 0.000% |
| 304556 | CF867D. Gotta Go Fast | 0 | 0 | 0.000% |
| 304557 | CF867E. Buy Low Sell High | 0 | 0 | 0.000% |
| 304558 | CF867F. Hex Dyslexia | 0 | 0 | 0.000% |
| 304559 | CF868A. Bark to Unlock | 0 | 0 | 0.000% |
| 304560 | CF868B. Race Against Time | 0 | 0 | 0.000% |
| 304561 | CF868C. Qualification Rounds | 0 | 0 | 0.000% |
| 304562 | CF868D. Huge Strings | 0 | 0 | 0.000% |
| 304563 | CF868E. Policeman and a Tree | 0 | 0 | 0.000% |
| 304564 | CF868F. Yet Another Minimization Problem | 0 | 0 | 0.000% |
| 304565 | CF868G. El Toll Caves | 0 | 0 | 0.000% |
| 304566 | CF869A. The Artful Expedient | 0 | 0 | 0.000% |
| 304567 | CF869B. The Eternal Immortality | 0 | 0 | 0.000% |
| 304568 | CF869C. The Intriguing Obsession | 0 | 0 | 0.000% |
| 304569 | CF869D. The Overdosing Ubiquity | 0 | 0 | 0.000% |
| 304570 | CF869E. The Untended Antiquity | 0 | 0 | 0.000% |
| 304571 | CF870A. Search for Pretty Integers | 0 | 0 | 0.000% |
| 304572 | CF870B. Maximum of Maximums of Minimums | 0 | 0 | 0.000% |
| 304573 | CF870C. Maximum splitting | 0 | 0 | 0.000% |
| 304574 | CF870D. Something with XOR Queries | 0 | 0 | 0.000% |
| 304575 | CF870E. Points, Lines and Ready-made Titles | 0 | 0 | 0.000% |
| 304576 | CF870F. Paths | 0 | 0 | 0.000% |
| 304577 | CF871A. Maximum splitting | 0 | 0 | 0.000% |
| 304578 | CF871B. Something with XOR Queries | 0 | 0 | 0.000% |
| 304579 | CF871C. Points, Lines and Ready-made Titles | 0 | 0 | 0.000% |
| 304580 | CF871D. Paths | 0 | 0 | 0.000% |
| 304581 | CF871E. Restore the Tree | 0 | 0 | 0.000% |