| 303887 | CF749B. Parallelogram is Back | 0 | 0 | 0.000% |
| 303915 | CF755A. PolandBall and Hypothesis | 0 | 0 | 0.000% |
| 303916 | CF755B. PolandBall and Game | 0 | 0 | 0.000% |
| 303917 | CF755C. PolandBall and Forest | 0 | 0 | 0.000% |
| 303918 | CF755D. PolandBall and Polygon | 0 | 0 | 0.000% |
| 303919 | CF755E. PolandBall and White-Red graph | 0 | 0 | 0.000% |
| 303920 | CF755F. PolandBall and Gifts | 0 | 0 | 0.000% |
| 303921 | CF755G. PolandBall and Many Other Balls | 0 | 0 | 0.000% |
| 303928 | CF757A. Gotta Catch Em' All! | 0 | 0 | 0.000% |
| 303970 | CF764A. Taymyr is calling you | 0 | 0 | 0.000% |
| 304062 | CF780C. Andryusha and Colored Balloons | 0 | 0 | 0.000% |
| 304063 | CF780D. Innokenty and a Football League | 0 | 0 | 0.000% |
| 304068 | CF781A. Andryusha and Colored Balloons | 0 | 0 | 0.000% |
| 304069 | CF781B. Innokenty and a Football League | 0 | 0 | 0.000% |
| 304076 | CF782C. Andryusha and Colored Balloons | 0 | 0 | 0.000% |
| 304077 | CF782D. Innokenty and a Football League | 0 | 0 | 0.000% |
| 304126 | CF792E. Colored Balls | 0 | 0 | 0.000% |
| 304128 | CF793A. Oleg and shares | 0 | 0 | 0.000% |
| 304129 | CF793B. Igor and his way to work | 0 | 0 | 0.000% |
| 304130 | CF793C. Mice problem | 0 | 0 | 0.000% |
| 304131 | CF793D. Presents in Bankopolis | 0 | 0 | 0.000% |
| 304132 | CF793E. Problem of offices | 0 | 0 | 0.000% |
| 304133 | CF793F. Julia the snail | 0 | 0 | 0.000% |
| 304134 | CF793G. Oleg and chess | 0 | 0 | 0.000% |
| 304135 | CF794A. Bank Robbery | 0 | 0 | 0.000% |
| 304136 | CF794B. Cutting Carrot | 0 | 0 | 0.000% |
| 304137 | CF794C. Naming Company | 0 | 0 | 0.000% |
| 304138 | CF794D. Labelling Cities | 0 | 0 | 0.000% |
| 304139 | CF794E. Choosing Carrot | 0 | 0 | 0.000% |
| 304140 | CF794F. Leha and security system | 0 | 0 | 0.000% |
| 304141 | CF794G. Replace All | 0 | 0 | 0.000% |
| 304188 | CF802A. Heidi and Library (easy) | 0 | 0 | 0.000% |
| 304189 | CF802B. Heidi and Library (medium) | 0 | 0 | 0.000% |
| 304190 | CF802C. Heidi and Library (hard) | 0 | 0 | 0.000% |
| 304191 | CF802D. Marmots (easy) | 0 | 0 | 0.000% |
| 304192 | CF802E. Marmots (medium) | 0 | 0 | 0.000% |
| 304193 | CF802F. Marmots (hard) | 0 | 0 | 0.000% |
| 304194 | CF802G. Fake News (easy) | 0 | 0 | 0.000% |
| 304195 | CF802H. Fake News (medium) | 0 | 0 | 0.000% |
| 304196 | CF802I. Fake News (hard) | 0 | 0 | 0.000% |
| 304197 | CF802J. Send the Fool Further! (easy) | 0 | 0 | 0.000% |
| 304198 | CF802K. Send the Fool Further! (medium) | 0 | 0 | 0.000% |
| 304199 | CF802L. Send the Fool Further! (hard) | 0 | 0 | 0.000% |
| 304200 | CF802M. April Fools' Problem (easy) | 0 | 0 | 0.000% |
| 304201 | CF802N. April Fools' Problem (medium) | 0 | 0 | 0.000% |
| 304202 | CF802O. April Fools' Problem (hard) | 0 | 0 | 0.000% |
| 304284 | CF817C. Really Big Numbers | 0 | 0 | 0.000% |
| 304458 | CF850F. Rainbow Balls | 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% |
| 304637 | CF884D. Boxes And Balls | 0 | 0 | 0.000% |
| 305044 | CF958A1. Death Stars (easy) | 0 | 0 | 0.000% |
| 305045 | CF958A2. Death Stars (medium) | 0 | 0 | 0.000% |
| 305046 | CF958A3. Death Stars (hard) | 0 | 0 | 0.000% |
| 305047 | CF958B1. Maximum Control (easy) | 0 | 0 | 0.000% |
| 305048 | CF958B2. Maximum Control (medium) | 0 | 0 | 0.000% |
| 305049 | CF958C1. Encryption (easy) | 0 | 0 | 0.000% |
| 305050 | CF958C2. Encryption (medium) | 0 | 0 | 0.000% |
| 305051 | CF958C3. Encryption (hard) | 0 | 0 | 0.000% |
| 305052 | CF958D1. Hyperspace Jump (easy) | 0 | 0 | 0.000% |
| 305053 | CF958D2. Hyperspace Jump (hard) | 0 | 0 | 0.000% |
| 305054 | CF958E1. Guard Duty (easy) | 0 | 0 | 0.000% |
| 305055 | CF958E2. Guard Duty (medium) | 0 | 0 | 0.000% |
| 305056 | CF958E3. Guard Duty (hard) | 0 | 0 | 0.000% |
| 305057 | CF958F1. Lightsabers (easy) | 0 | 0 | 0.000% |
| 305058 | CF958F2. Lightsabers (medium) | 0 | 0 | 0.000% |
| 305059 | CF958F3. Lightsabers (hard) | 0 | 0 | 0.000% |
| 305117 | CF975C. Valhalla Siege | 0 | 0 | 0.000% |
| 305150 | CF981A. Antipalindrome | 0 | 0 | 0.000% |
| 305151 | CF981B. Businessmen Problems | 0 | 0 | 0.000% |
| 305152 | CF981C. Useful Decomposition | 0 | 0 | 0.000% |
| 305153 | CF981D. Bookshelves | 0 | 0 | 0.000% |
| 305154 | CF981E. Addition on Segments | 0 | 0 | 0.000% |
| 305155 | CF981F. Round Marriage | 0 | 0 | 0.000% |
| 305156 | CF981G. Magic multisets | 0 | 0 | 0.000% |
| 305157 | CF981H. K Paths | 0 | 0 | 0.000% |
| 305160 | CF982C. Cut 'em all! | 0 | 0 | 0.000% |
| 305203 | CF989E. A Trance of Nightfall | 0 | 0 | 0.000% |
| 305251 | CF998A. Balloons | 0 | 0 | 0.000% |
| 305278 | CF1002A1. Generate superposition of all basis states | 0 | 0 | 0.000% |
| 305319 | CF1007B. Pave the Parallelepiped | 0 | 0 | 0.000% |
| 305326 | CF1008D. Pave the Parallelepiped | 0 | 0 | 0.000% |
| 305334 | CF1009G. Allowed Letters | 0 | 0 | 0.000% |
| 305425 | CF1029E. Tree with Small Distances | 0 | 0 | 0.000% |
| 305447 | CF1033A. King Escape | 0 | 0 | 0.000% |
| 305448 | CF1033B. Square Difference | 0 | 0 | 0.000% |
| 305449 | CF1033C. Permutation Game | 0 | 0 | 0.000% |
| 305450 | CF1033D. Divisors | 0 | 0 | 0.000% |
| 305451 | CF1033E. Hidden Bipartite Graph | 0 | 0 | 0.000% |
| 305452 | CF1033F. Boolean Computer | 0 | 0 | 0.000% |
| 305453 | CF1033G. Chip Game | 0 | 0 | 0.000% |
| 305504 | CF1043C. Smallest Word | 0 | 0 | 0.000% |
| 305509 | CF1044A. The Tower is Going Home | 0 | 0 | 0.000% |
| 305510 | CF1044B. Intersecting Subtrees | 0 | 0 | 0.000% |
| 305511 | CF1044C. Optimal Polygon Perimeter | 0 | 0 | 0.000% |
| 305512 | CF1044D. Deduction Queries | 0 | 0 | 0.000% |