| 304463 | CF851E. Arpa and a game with Mojtaba | 0 | 0 | 0.000% |
| 304468 | CF852E. Casinos and travel | 0 | 0 | 0.000% |
| 304471 | CF852H. Bob and stages | 0 | 0 | 0.000% |
| 304476 | CF853D. Michael and Charging Stations | 0 | 0 | 0.000% |
| 304493 | CF856D. Masha and Cactus | 0 | 0 | 0.000% |
| 304513 | CF860E. Arkady and a Nobody-men | 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% |
| 304534 | CF864B. Polycarp and Letters | 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% |
| 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% |
| 304575 | CF870E. Points, Lines and Ready-made Titles | 0 | 0 | 0.000% |
| 304579 | CF871C. Points, Lines and Ready-made Titles | 0 | 0 | 0.000% |
| 304586 | CF872E. Points, Lines and Ready-made Titles | 0 | 0 | 0.000% |
| 304605 | CF877A. Alex and broken contest | 0 | 0 | 0.000% |
| 304606 | CF877B. Nikita and string | 0 | 0 | 0.000% |
| 304607 | CF877C. Slava and tanks | 0 | 0 | 0.000% |
| 304608 | CF877D. Olya and Energy Drinks | 0 | 0 | 0.000% |
| 304609 | CF877E. Danil and a Part-time Job | 0 | 0 | 0.000% |
| 304610 | CF877F. Ann and Books | 0 | 0 | 0.000% |
| 304622 | CF883B. Berland Army | 0 | 0 | 0.000% |
| 304632 | CF883L. Berland.Taxi | 0 | 0 | 0.000% |
| 304637 | CF884D. Boxes And Balls | 0 | 0 | 0.000% |
| 304641 | CF886B. Vlad and Cafes | 0 | 0 | 0.000% |
| 304642 | CF886C. Petya and Catacombs | 0 | 0 | 0.000% |
| 304649 | CF887D. Ratings and Reality Shows | 0 | 0 | 0.000% |
| 304659 | CF889A. Petya and Catacombs | 0 | 0 | 0.000% |
| 304665 | CF890B. Vlad and Cafes | 0 | 0 | 0.000% |
| 304666 | CF890C. Petya and Catacombs | 0 | 0 | 0.000% |
| 304687 | CF894B. Ralph And His Magic Field | 0 | 0 | 0.000% |
| 304688 | CF894C. Marco and GCD Sequence | 0 | 0 | 0.000% |
| 304689 | CF894D. Ralph And His Tour in Binary Country | 0 | 0 | 0.000% |
| 304690 | CF894E. Ralph and Mushrooms | 0 | 0 | 0.000% |
| 304698 | CF896C. Willem, Chtholly and Seniorious | 0 | 0 | 0.000% |
| 304705 | CF897E. Willem, Chtholly and Seniorious | 0 | 0 | 0.000% |
| 304710 | CF898E. Squares and not squares | 0 | 0 | 0.000% |
| 304713 | CF899B. Months and Years | 0 | 0 | 0.000% |
| 304740 | CF904A. Masha and Bears | 0 | 0 | 0.000% |
| 304751 | CF907A. Masha and Bears | 0 | 0 | 0.000% |
| 304757 | CF908A. New Year and Counting Cards | 0 | 0 | 0.000% |
| 304758 | CF908B. New Year and Buggy Bot | 0 | 0 | 0.000% |
| 304759 | CF908C. New Year and Curling | 0 | 0 | 0.000% |
| 304760 | CF908D. New Year and Arbitrary Arrangement | 0 | 0 | 0.000% |
| 304761 | CF908E. New Year and Entity Enumeration | 0 | 0 | 0.000% |
| 304762 | CF908F. New Year and Rainbow Roads | 0 | 0 | 0.000% |
| 304763 | CF908G. New Year and Original Order | 0 | 0 | 0.000% |
| 304764 | CF908H. New Year and Boolean Bridges | 0 | 0 | 0.000% |
| 304770 | CF909F. AND-permutations | 0 | 0 | 0.000% |
| 304776 | CF911C. Three Garlands | 0 | 0 | 0.000% |
| 304794 | CF914A. Perfect Squares | 0 | 0 | 0.000% |
| 304795 | CF914B. Conan and Agasa play a Card Game | 0 | 0 | 0.000% |
| 304796 | CF914C. Travelling Salesman and Special Numbers | 0 | 0 | 0.000% |
| 304797 | CF914D. Bash and a Tough Math Puzzle | 0 | 0 | 0.000% |
| 304798 | CF914E. Palindromes in a Tree | 0 | 0 | 0.000% |
| 304799 | CF914F. Substrings in a String | 0 | 0 | 0.000% |
| 304800 | CF914G. Sum the Fibonacci | 0 | 0 | 0.000% |
| 304801 | CF914H. Ember and Storm's Tree Game | 0 | 0 | 0.000% |
| 304809 | CF916A. Jamie and Alarm Snooze | 0 | 0 | 0.000% |
| 304810 | CF916B. Jamie and Binary Sequence (changed after round) | 0 | 0 | 0.000% |
| 304811 | CF916C. Jamie and Interesting Graph | 0 | 0 | 0.000% |
| 304812 | CF916D. Jamie and To-do List | 0 | 0 | 0.000% |
| 304813 | CF916E. Jamie and Tree | 0 | 0 | 0.000% |
| 304835 | CF920F. SUM and REPLACE | 0 | 0 | 0.000% |
| 304869 | CF925A. Stairs and Elevators | 0 | 0 | 0.000% |
| 304905 | CF932A. Palindromic Supersequence | 0 | 0 | 0.000% |
| 304906 | CF932B. Recursive Queries | 0 | 0 | 0.000% |
| 304907 | CF932C. Permutation Cycle | 0 | 0 | 0.000% |
| 304908 | CF932D. Tree | 0 | 0 | 0.000% |
| 304909 | CF932E. Team Work | 0 | 0 | 0.000% |
| 304910 | CF932F. Escape Through Leaf | 0 | 0 | 0.000% |
| 304911 | CF932G. Palindrome Partition | 0 | 0 | 0.000% |
| 304922 | CF935A. Fafa and his Company | 0 | 0 | 0.000% |
| 304923 | CF935B. Fafa and the Gates | 0 | 0 | 0.000% |
| 304924 | CF935C. Fifa and Fafa | 0 | 0 | 0.000% |
| 304925 | CF935D. Fafa and Ancient Alphabet | 0 | 0 | 0.000% |
| 304926 | CF935E. Fafa and Ancient Mathematics | 0 | 0 | 0.000% |
| 304927 | CF935F. Fafa and Array | 0 | 0 | 0.000% |
| 304954 | CF940D. Alena And The Heater | 0 | 0 | 0.000% |
| 304988 | CF950A. Left-handers, Right-handers and Ambidexters | 0 | 0 | 0.000% |
| 305060 | CF959A. Mahmoud and Ehab and the even-odd game | 0 | 0 | 0.000% |
| 305061 | CF959B. Mahmoud and Ehab and the message | 0 | 0 | 0.000% |
| 305062 | CF959C. Mahmoud and Ehab and the wrong algorithm | 0 | 0 | 0.000% |
| 305063 | CF959D. Mahmoud and Ehab and another array construction task | 0 | 0 | 0.000% |