| 303174 | CF617E. XOR and Favorite Number | 0 | 0 | 0.000% |
| 303187 | CF620F. Xors on Segments | 0 | 0 | 0.000% |
| 303221 | CF627A. XOR Equation | 0 | 0 | 0.000% |
| 303238 | CF630A. Again Twenty Five! | 0 | 0 | 0.000% |
| 303239 | CF630B. Moore's Law | 0 | 0 | 0.000% |
| 303240 | CF630C. Lucky Numbers | 0 | 0 | 0.000% |
| 303241 | CF630D. Hexagons! | 0 | 0 | 0.000% |
| 303242 | CF630E. A rectangle | 0 | 0 | 0.000% |
| 303243 | CF630F. Selection of Personnel | 0 | 0 | 0.000% |
| 303244 | CF630G. Challenge Pennants | 0 | 0 | 0.000% |
| 303245 | CF630H. Benches | 0 | 0 | 0.000% |
| 303246 | CF630I. Parking Lot | 0 | 0 | 0.000% |
| 303247 | CF630J. Divisibility | 0 | 0 | 0.000% |
| 303248 | CF630K. Indivisibility | 0 | 0 | 0.000% |
| 303249 | CF630L. Cracking the Code | 0 | 0 | 0.000% |
| 303250 | CF630M. Turn | 0 | 0 | 0.000% |
| 303251 | CF630N. Forecast | 0 | 0 | 0.000% |
| 303252 | CF630O. Arrow | 0 | 0 | 0.000% |
| 303253 | CF630P. Area of a Star | 0 | 0 | 0.000% |
| 303254 | CF630Q. Pyramids | 0 | 0 | 0.000% |
| 303255 | CF630R. Game | 0 | 0 | 0.000% |
| 303266 | CF632F. Magic Matrix | 0 | 0 | 0.000% |
| 303276 | CF634B. XOR Equation | 0 | 0 | 0.000% |
| 303283 | CF635C. XOR Equation | 0 | 0 | 0.000% |
| 303300 | CF639E. Bear and Paradox | 0 | 0 | 0.000% |
| 303305 | CF640D. Maximal Difference | 0 | 0 | 0.000% |
| 303309 | CF640H. Rotate Matrix | 0 | 0 | 0.000% |
| 303311 | CF641B. Little Artem and Matrix | 0 | 0 | 0.000% |
| 303330 | CF645C. Enduring Exodus | 0 | 0 | 0.000% |
| 303374 | CF655C. Enduring Exodus | 0 | 0 | 0.000% |
| 303381 | CF656C. Without Text | 0 | 0 | 0.000% |
| 303389 | CF657D. Bear and Paradox | 0 | 0 | 0.000% |
| 303412 | CF661D. Maximal Difference | 0 | 0 | 0.000% |
| 303416 | CF661H. Rotate Matrix | 0 | 0 | 0.000% |
| 303442 | CF666E. Forensic Examination | 0 | 0 | 0.000% |
| 303448 | CF668A. Little Artem and Matrix | 0 | 0 | 0.000% |
| 303456 | CF669C. Little Artem and Matrix | 0 | 0 | 0.000% |
| 303526 | CF682B. Alyona and Mex | 0 | 0 | 0.000% |
| 303537 | CF683H. Exchange of Books | 0 | 0 | 0.000% |
| 303540 | CF684A2. Online Exam | 0 | 0 | 0.000% |
| 303585 | CF691C. Exponential notation | 0 | 0 | 0.000% |
| 303587 | CF691E. Xor-sequences | 0 | 0 | 0.000% |
| 303609 | CF698B. Fix a Tree | 0 | 0 | 0.000% |
| 303617 | CF699D. Fix a Tree | 0 | 0 | 0.000% |
| 303631 | CF702A. Maximum Increase | 0 | 0 | 0.000% |
| 303652 | CF706A. Beru-taxi | 0 | 0 | 0.000% |
| 303682 | CF711E. ZS and The Birthday Paradox | 0 | 0 | 0.000% |
| 303711 | CF717D. Dexterina’s Lab | 0 | 0 | 0.000% |
| 303734 | CF721D. Maxim and Array | 0 | 0 | 0.000% |
| 303743 | CF723B. Text Document Analysis | 0 | 0 | 0.000% |
| 303754 | CF724G. Xor-matic Number of the Graph | 0 | 0 | 0.000% |
| 303775 | CF730B. Minimum and Maximum | 0 | 0 | 0.000% |
| 303785 | CF730L. Expression Queries | 0 | 0 | 0.000% |
| 303795 | CF732D. Exams | 0 | 0 | 0.000% |
| 303813 | CF735D. Taxes | 0 | 0 | 0.000% |
| 303816 | CF736B. Taxes | 0 | 0 | 0.000% |
| 303832 | CF739A. Alyona and mex | 0 | 0 | 0.000% |
| 303839 | CF740C. Alyona and mex | 0 | 0 | 0.000% |
| 303847 | CF742A. Arpa’s hard exam and Mehrdad’s naive cheat | 0 | 0 | 0.000% |
| 303871 | CF746E. Numbers Exchange | 0 | 0 | 0.000% |
| 303962 | CF762D. Maximum path | 0 | 0 | 0.000% |
| 303986 | CF766E. Mahmoud and a xor trip | 0 | 0 | 0.000% |
| 303997 | CF768F. Barrels and boxes | 0 | 0 | 0.000% |
| 304004 | CF770B. Maximize Sum of Digits | 0 | 0 | 0.000% |
| 304026 | CF774C. Maximum Number | 0 | 0 | 0.000% |
| 304037 | CF776A. A Serial Killer | 0 | 0 | 0.000% |
| 304038 | CF776B. Sherlock and his girlfriend | 0 | 0 | 0.000% |
| 304039 | CF776C. Molly's Chemicals | 0 | 0 | 0.000% |
| 304040 | CF776D. The Door Problem | 0 | 0 | 0.000% |
| 304041 | CF776E. The Holmes Children | 0 | 0 | 0.000% |
| 304042 | CF776F. Sherlock's bet to Moriarty | 0 | 0 | 0.000% |
| 304043 | CF776G. Sherlock and the Encrypted Data | 0 | 0 | 0.000% |
| 304065 | CF780F. Axel and Marston in Bitland | 0 | 0 | 0.000% |
| 304071 | CF781D. Axel and Marston in Bitland | 0 | 0 | 0.000% |
| 304079 | CF782F. Axel and Marston in Bitland | 0 | 0 | 0.000% |
| 304104 | CF788C. The Great Mixing | 0 | 0 | 0.000% |
| 304111 | CF789E. The Great Mixing | 0 | 21 | 0.000% |
| 304144 | CF795C. Maximum Number | 0 | 0 | 0.000% |
| 304158 | CF796E. Exam Cheating | 0 | 0 | 0.000% |
| 304171 | CF799A. Carrot Cakes | 0 | 0 | 0.000% |
| 304172 | CF799B. T-shirt buying | 0 | 0 | 0.000% |
| 304173 | CF799C. Fountains | 0 | 0 | 0.000% |
| 304174 | CF799D. Field expansion | 0 | 0 | 0.000% |
| 304175 | CF799E. Aquarium decoration | 0 | 0 | 0.000% |
| 304176 | CF799F. Beautiful fountains rows | 0 | 0 | 0.000% |
| 304177 | CF799G. Cut the pie | 0 | 0 | 0.000% |
| 304203 | CF803A. Maximal Binary Matrix | 0 | 0 | 0.000% |
| 304205 | CF803C. Maximal GCD | 0 | 0 | 0.000% |
| 304213 | CF804D. Expected diameter of a tree | 0 | 0 | 0.000% |
| 304221 | CF805F. Expected diameter of a tree | 0 | 0 | 0.000% |
| 304268 | CF814B. An express train to reveries | 0 | 0 | 0.000% |
| 304287 | CF817F. MEX Queries | 0 | 0 | 0.000% |
| 304307 | CF821C. Okabe and Boxes | 0 | 0 | 0.000% |
| 304354 | CF832B. Petya and Exam | 0 | 0 | 0.000% |
| 304374 | CF837A. Text Volume | 0 | 0 | 0.000% |
| 304379 | CF837F. Prefix Sums | 0 | 0 | 0.000% |
| 304385 | CF838E. Convex Countour | 0 | 0 | 0.000% |
| 304386 | CF838F. Expected Earnings | 0 | 0 | 0.000% |
| 304411 | CF843E. Maximum Flow | 0 | 0 | 0.000% |
| 304459 | CF851A. Arpa and a research in Mexican wave | 0 | 0 | 0.000% |