| 300038 | CF9D. How many trees? | 0 | 0 | 0.000% |
| 300069 | CF15E. Triangles | 0 | 0 | 0.000% |
| 300119 | CF26C. Parquet | 0 | 0 | 0.000% |
| 300120 | CF26D. Tickets | 0 | 0 | 0.000% |
| 300129 | CF28C. Bath Queue | 0 | 0 | 0.000% |
| 300175 | CF37D. Lesson Timetable | 0 | 0 | 0.000% |
| 300200 | CF40E. Number Table | 0 | 0 | 0.000% |
| 300224 | CF44I. Toys | 0 | 0 | 0.000% |
| 300270 | CF51E. Pentagon | 0 | 0 | 0.000% |
| 300273 | CF52B. Right Triangles | 0 | 0 | 0.000% |
| 300297 | CF57C. Array | 0 | 0 | 0.000% |
| 300441 | CF84B. Magical Array | 0 | 0 | 0.000% |
| 300477 | CF91C. Ski Base | 0 | 0 | 0.000% |
| 300561 | CF107B. Basketball Team | 0 | 0 | 0.000% |
| 300568 | CF108D. Basketball Team | 0 | 0 | 0.000% |
| 300578 | CF110D. Lucky Probability | 0 | 0 | 0.000% |
| 300579 | CF110E. Lucky Tree | 0 | 0 | 0.000% |
| 300583 | CF111D. Petya and Coloring | 0 | 0 | 0.000% |
| 300594 | CF113E. Sleeping | 0 | 0 | 0.000% |
| 300637 | CF121C. Lucky Permutation | 0 | 0 | 0.000% |
| 300647 | CF123C. Brackets | 0 | 0 | 0.000% |
| 300651 | CF124B. Permutations | 0 | 0 | 0.000% |
| 300672 | CF128C. Games with Rectangle | 0 | 0 | 0.000% |
| 300679 | CF129E. Games with Rectangle | 0 | 0 | 0.000% |
| 300692 | CF131C. The World is a Theatre | 0 | 0 | 0.000% |
| 300716 | CF135E. Weak Subsequence | 0 | 0 | 0.000% |
| 300741 | CF140E. New Year Garland | 0 | 0 | 0.000% |
| 300765 | CF145C. Lucky Subsequence | 0 | 0 | 0.000% |
| 300766 | CF145D. Lucky Pair | 0 | 0 | 0.000% |
| 300772 | CF146E. Lucky Subsequence | 0 | 0 | 0.000% |
| 300786 | CF150B. Quantity of Strings | 0 | 0 | 0.000% |
| 300793 | CF151D. Quantity of Strings | 0 | 0 | 0.000% |
| 300797 | CF152C. Pocket Book | 0 | 0 | 0.000% |
| 300817 | CF156C. Cipher | 0 | 0 | 0.000% |
| 300818 | CF156D. Clues | 0 | 0 | 0.000% |
| 300892 | CF171B. Star | 0 | 0 | 0.000% |
| 300922 | CF176C. Playing with Superglue | 0 | 0 | 0.000% |
| 301065 | CF201E. Thoroughly Bureaucratic Organization | 0 | 0 | 0.000% |
| 301076 | CF204A. Little Elephant and Interval | 0 | 0 | 0.000% |
| 301083 | CF205C. Little Elephant and Interval | 0 | 0 | 0.000% |
| 301085 | CF205E. Little Elephant and Furik and Rubik | 0 | 0 | 0.000% |
| 301134 | CF211C. Cowboys | 0 | 0 | 0.000% |
| 301139 | CF212C. Cowboys | 0 | 0 | 0.000% |
| 301143 | CF213B. Numbers | 0 | 0 | 0.000% |
| 301150 | CF214D. Numbers | 0 | 0 | 0.000% |
| 301156 | CF215E. Periodical Numbers | 0 | 0 | 0.000% |
| 301165 | CF217D. Bitonix' Patrol | 0 | 0 | 0.000% |
| 301194 | CF223C. Partial Sums | 0 | 0 | 0.000% |
| 301201 | CF224E. Partial Sums | 0 | 0 | 0.000% |
| 301224 | CF229C. Triangles | 0 | 0 | 0.000% |
| 301226 | CF229E. Gifts | 0 | 0 | 0.000% |
| 301231 | CF230E. Triangles | 0 | 0 | 0.000% |
| 301238 | CF232B. Table | 0 | 0 | 0.000% |
| 301244 | CF233C. Cycles | 0 | 0 | 0.000% |
| 301245 | CF233D. Table | 0 | 0 | 0.000% |
| 301259 | CF235E. Number Challenge | 0 | 0 | 0.000% |
| 301277 | CF239C. Not Wool Sequences | 0 | 0 | 0.000% |
| 301341 | CF251A. Points on Line | 0 | 0 | 0.000% |
| 301348 | CF252C. Points on Line | 0 | 0 | 0.000% |
| 301349 | CF252D. Playing with Permutations | 0 | 0 | 0.000% |
| 301377 | CF258B. Little Elephant and Elections | 0 | 0 | 0.000% |
| 301378 | CF258C. Little Elephant and LCM | 0 | 0 | 0.000% |
| 301384 | CF259D. Little Elephant and Elections | 0 | 0 | 0.000% |
| 301385 | CF259E. Little Elephant and LCM | 0 | 0 | 0.000% |
| 301399 | CF262D. Maxim and Restaurant | 0 | 0 | 0.000% |
| 301447 | CF272D. Dima and Two Sequences | 0 | 0 | 0.000% |
| 301448 | CF272E. Dima and Horses | 0 | 0 | 0.000% |
| 301450 | CF273B. Dima and Two Sequences | 0 | 0 | 0.000% |
| 301503 | CF283E. Cow Tennis Tournament | 0 | 0 | 0.000% |
| 301512 | CF285D. Permutation Sum | 0 | 0 | 0.000% |
| 301513 | CF285E. Positions in Permutations | 0 | 0 | 0.000% |
| 301525 | CF288B. Polo the Penguin and Houses | 0 | 0 | 0.000% |
| 301527 | CF288D. Polo the Penguin and Trees | 0 | 0 | 0.000% |
| 301532 | CF289D. Polo the Penguin and Houses | 0 | 0 | 0.000% |
| 301551 | CF293B. Distinct Paths | 0 | 0 | 0.000% |
| 301557 | CF294C. Shaass and Lights | 0 | 0 | 0.000% |
| 301562 | CF295C. Greg and Friends | 0 | 0 | 0.000% |
| 301563 | CF295D. Greg and Caves | 0 | 0 | 0.000% |
| 301566 | CF296B. Yaroslav and Two Strings | 0 | 0 | 0.000% |
| 301569 | CF296E. Greg and Friends | 0 | 0 | 0.000% |
| 301577 | CF298C. Parity Game | 0 | 0 | 0.000% |
| 301587 | CF300C. Beautiful Numbers | 0 | 0 | 0.000% |
| 301613 | CF305D. Olya and Graph | 0 | 0 | 0.000% |
| 301617 | CF306C. White, Black and White Again | 0 | 0 | 0.000% |
| 301653 | CF315E. Sereja and Subsequences | 0 | 0 | 0.000% |
| 301682 | CF319A. Malek Dance Club | 0 | 0 | 0.000% |
| 301698 | CF322B. Ciel and Flowers | 0 | 0 | 0.000% |
| 301702 | CF323A. Black-and-White Cube | 0 | 0 | 0.000% |
| 301721 | CF325E. The Red Button | 0 | 0 | 0.000% |
| 301730 | CF327C. Magic Five | 0 | 0 | 0.000% |
| 301732 | CF327E. Axis Walking | 0 | 0 | 0.000% |
| 301781 | CF336D. Vasily the Bear and Beautiful Strings | 0 | 0 | 0.000% |
| 301782 | CF336E. Vasily the Bear and Painting Square | 0 | 0 | 0.000% |
| 301800 | CF340C. Tourist Problem | 0 | 0 | 0.000% |
| 301802 | CF340E. Iahub and Permutations | 0 | 0 | 0.000% |
| 301805 | CF341C. Iahub and Permutations | 0 | 0 | 0.000% |
| 301856 | CF351B. Jeff and Furik | 0 | 0 | 0.000% |
| 301866 | CF353B. Two Heaps | 0 | 0 | 0.000% |
| 301882 | CF356C. Compartments | 0 | 0 | 0.000% |
| 301902 | CF360C. Levko and Strings | 0 | 0 | 0.000% |