| 300014 | CF4D. Mysterious Present | 0 | 0 | 0.000% |
| 300062 | CF14C. Four Segments | 0 | 2 | 0.000% |
| 300081 | CF18B. Platforms | 0 | 0 | 0.000% |
| 300090 | CF20A. BerOS file system | 0 | 0 | 0.000% |
| 300099 | CF22C. System Administrator | 0 | 0 | 0.000% |
| 300134 | CF29C. Mail Stamps | 0 | 0 | 0.000% |
| 300138 | CF30B. Codeforces World Finals | 0 | 0 | 0.000% |
| 300144 | CF31C. Schedule | 0 | 0 | 0.000% |
| 300149 | CF32C. Flea | 0 | 0 | 0.000% |
| 300163 | CF35B. Warehouse | 0 | 0 | 0.000% |
| 300165 | CF35D. Animals | 0 | 0 | 0.000% |
| 300207 | CF42B. Game of chess unfinished | 0 | 0 | 0.000% |
| 300223 | CF44H. Phone Number | 0 | 0 | 0.000% |
| 300258 | CF49C. Disposition | 0 | 0 | 0.000% |
| 300267 | CF51B. bHTML Tables Analisys | 0 | 0 | 0.000% |
| 300276 | CF53B. Blog Photo | 0 | 0 | 0.000% |
| 300292 | CF56C. Corporation Mail | 0 | 0 | 0.000% |
| 300327 | CF63C. Bulls and Cows | 0 | 0 | 0.000% |
| 300340 | CF65B. Harry Potter and the History of Magic | 0 | 0 | 0.000% |
| 300347 | CF66D. Petya and His Friends | 0 | 0 | 0.000% |
| 300402 | CF76D. Plus and xor | 0 | 0 | 0.000% |
| 300403 | CF76E. Points | 0 | 0 | 0.000% |
| 300426 | CF81B. Sequence Formatting | 0 | 0 | 0.000% |
| 300427 | CF81C. Average Score | 0 | 0 | 0.000% |
| 300431 | CF82B. Sets | 0 | 0 | 0.000% |
| 300442 | CF84C. Biathlon | 0 | 0 | 0.000% |
| 300485 | CF93A. Frames | 0 | 0 | 0.000% |
| 300492 | CF94C. Frames | 0 | 0 | 0.000% |
| 300510 | CF98A. Help Victoria the Wise | 0 | 0 | 0.000% |
| 300517 | CF99C. Help Victoria the Wise | 0 | 0 | 0.000% |
| 300531 | CF101B. Buses | 0 | 0 | 0.000% |
| 300538 | CF102D. Buses | 0 | 0 | 0.000% |
| 300550 | CF105A. Transmigration | 0 | 0 | 0.000% |
| 300557 | CF106C. Buns | 0 | 0 | 0.000% |
| 300558 | CF106D. Treasure Island | 0 | 0 | 0.000% |
| 300618 | CF118D. Caesar's Legions | 0 | 0 | 0.000% |
| 300661 | CF126B. Password | 0 | 0 | 0.000% |
| 300668 | CF127D. Password | 0 | 0 | 0.000% |
| 300686 | CF130G. CAPS LOCK ON | 0 | 0 | 0.000% |
| 300694 | CF131E. Yet Another Task with Queens | 0 | 0 | 0.000% |
| 300737 | CF140A. New Year Table | 0 | 0 | 0.000% |
| 300777 | CF148C. Terse princess | 0 | 0 | 0.000% |
| 300815 | CF156A. Message | 0 | 0 | 0.000% |
| 300822 | CF157C. Message | 0 | 0 | 0.000% |
| 300834 | CF159E. Zebra Tower | 0 | 0 | 0.000% |
| 300837 | CF160C. Find Pair | 0 | 0 | 0.000% |
| 300841 | CF161B. Discounts | 0 | 0 | 0.000% |
| 300855 | CF163A. Substring and Subsequence | 0 | 0 | 0.000% |
| 300860 | CF164A. Variable, or There and Back Again | 0 | 0 | 0.000% |
| 300881 | CF168B. Wizards and Minimal Spell | 0 | 0 | 0.000% |
| 300887 | CF169C. Substring and Subsequence | 0 | 0 | 0.000% |
| 300898 | CF171H. A polyline | 0 | 0 | 0.000% |
| 300912 | CF174D. Variable, or There and Back Again | 0 | 0 | 0.000% |
| 300921 | CF176B. Word Cut | 0 | 0 | 0.000% |
| 300933 | CF177E1. Space Voyage | 0 | 0 | 0.000% |
| 300966 | CF181D. Word Cut | 0 | 0 | 0.000% |
| 300973 | CF183A. Headquarters | 0 | 0 | 0.000% |
| 300974 | CF183B. Zoo | 0 | 0 | 0.000% |
| 301012 | CF191B. Demonstration | 0 | 0 | 0.000% |
| 301019 | CF192D. Demonstration | 0 | 0 | 0.000% |
| 301021 | CF193A. Cutting Figure | 0 | 0 | 0.000% |
| 301028 | CF194C. Cutting Figure | 0 | 0 | 0.000% |
| 301046 | CF198A. About Bacteria | 0 | 0 | 0.000% |
| 301053 | CF199C. About Bacteria | 0 | 0 | 0.000% |
| 301061 | CF201A. Clear Symmetry | 0 | 0 | 0.000% |
| 301067 | CF202B. Brand New Easy Problem | 0 | 0 | 0.000% |
| 301068 | CF202C. Clear Symmetry | 0 | 0 | 0.000% |
| 301074 | CF203D. Hit Ball | 0 | 0 | 0.000% |
| 301091 | CF206B3. Military Trainings | 0 | 0 | 0.000% |
| 301110 | CF207B3. Military Trainings | 0 | 0 | 0.000% |
| 301142 | CF213A. Game | 0 | 0 | 0.000% |
| 301149 | CF214C. Game | 0 | 0 | 0.000% |
| 301158 | CF216B. Forming Teams | 0 | 0 | 0.000% |
| 301160 | CF216D. Spider's Web | 0 | 0 | 0.000% |
| 301175 | CF219D. Choosing Capital for Treeland | 0 | 0 | 0.000% |
| 301192 | CF223A. Bracket Sequence | 0 | 0 | 0.000% |
| 301199 | CF224C. Bracket Sequence | 0 | 0 | 0.000% |
| 301204 | CF225C. Barcode | 0 | 0 | 0.000% |
| 301223 | CF229B. Planets | 0 | 0 | 0.000% |
| 301230 | CF230D. Planets | 0 | 0 | 0.000% |
| 301310 | CF245C. Game with Coins | 0 | 0 | 0.000% |
| 301388 | CF260C. Balls and Boxes | 0 | 0 | 0.000% |
| 301430 | CF269B. Greenhouse Effect | 0 | 0 | 0.000% |
| 301437 | CF270D. Greenhouse Effect | 0 | 0 | 0.000% |
| 301460 | CF275B. Convex Shape | 0 | 0 | 0.000% |
| 301467 | CF276D. Little Girl and Maximum XOR | 0 | 0 | 0.000% |
| 301481 | CF279C. Ladder | 0 | 0 | 0.000% |
| 301490 | CF281B. Nearest Fraction | 0 | 0 | 0.000% |
| 301500 | CF283B. Cow Program | 0 | 0 | 0.000% |
| 301507 | CF284D. Cow Program | 0 | 0 | 0.000% |
| 301520 | CF287B. Pipeline | 0 | 0 | 0.000% |
| 301526 | CF288C. Polo the Penguin and XOR operation | 0 | 0 | 0.000% |
| 301533 | CF289E. Polo the Penguin and XOR operation | 0 | 0 | 0.000% |
| 301536 | CF290C. WTF? | 0 | 0 | 0.000% |
| 301556 | CF294B. Shaass and Bookshelf | 0 | 0 | 0.000% |
| 301561 | CF295B. Greg and Graph | 0 | 0 | 0.000% |
| 301568 | CF296D. Greg and Graph | 0 | 0 | 0.000% |
| 301570 | CF297A. Parity Game | 0 | 0 | 0.000% |
| 301577 | CF298C. Parity Game | 0 | 0 | 0.000% |
| 301601 | CF303B. Rectangle Puzzle II | 0 | 0 | 0.000% |