| 301334 | CF249D. Donkey and Stars | 0 | 0 | 0.000% |
| 301335 | CF249E. Endless Matrix | 0 | 0 | 0.000% |
| 301337 | CF250B. Restoring IPv6 | 0 | 0 | 0.000% |
| 301339 | CF250D. Building Bridge | 0 | 0 | 0.000% |
| 301343 | CF251C. Number Transformation | 0 | 0 | 0.000% |
| 301345 | CF251E. Tree and Table | 0 | 0 | 0.000% |
| 301350 | CF252E. Number Transformation | 0 | 0 | 0.000% |
| 301358 | CF254C. Anagram | 0 | 0 | 0.000% |
| 301373 | CF257C. View Angle | 0 | 0 | 0.000% |
| 301380 | CF258E. Little Elephant and Tree | 0 | 0 | 0.000% |
| 301381 | CF259A. Little Elephant and Chess | 0 | 0 | 0.000% |
| 301383 | CF259C. Little Elephant and Bits | 0 | 0 | 0.000% |
| 301387 | CF260B. Ancient Prophesy | 0 | 0 | 0.000% |
| 301389 | CF260D. Black and White Tree | 0 | 0 | 0.000% |
| 301393 | CF261C. Maxim and Matrix | 0 | 0 | 0.000% |
| 301400 | CF262E. Maxim and Matrix | 0 | 0 | 0.000% |
| 301401 | CF263A. Beautiful Matrix | 0 | 0 | 0.000% |
| 301410 | CF264E. Roadside Trees | 0 | 0 | 0.000% |
| 301412 | CF265B. Roadside Trees (Simplified Edition) | 0 | 0 | 0.000% |
| 301421 | CF267A. Subtractions | 0 | 0 | 0.000% |
| 301423 | CF267C. Berland Traffic | 0 | 0 | 0.000% |
| 301433 | CF269E. String Theory | 0 | 0 | 0.000% |
| 301434 | CF270A. Fancy Fence | 0 | 0 | 0.000% |
| 301440 | CF271B. Prime Matrix | 0 | 0 | 0.000% |
| 301442 | CF271D. Good Substrings | 0 | 0 | 0.000% |
| 301455 | CF274B. Zero Tree | 0 | 0 | 0.000% |
| 301456 | CF274C. The Last Hole! | 0 | 0 | 0.000% |
| 301457 | CF274D. Lovely Matrix | 0 | 0 | 0.000% |
| 301462 | CF275D. Zero Tree | 0 | 0 | 0.000% |
| 301468 | CF276E. Little Girl and Problem on Trees | 0 | 0 | 0.000% |
| 301470 | CF277B. Set of Points | 0 | 0 | 0.000% |
| 301473 | CF277E. Binary Tree on Plane | 0 | 0 | 0.000% |
| 301475 | CF278B. New Problem | 0 | 0 | 0.000% |
| 301477 | CF278D. Set of Points | 0 | 0 | 0.000% |
| 301479 | CF279A. Point on Spiral | 0 | 0 | 0.000% |
| 301484 | CF280A. Rectangle Puzzle | 0 | 0 | 0.000% |
| 301486 | CF280C. Game on Tree | 0 | 0 | 0.000% |
| 301488 | CF280E. Sequence Transformation | 0 | 0 | 0.000% |
| 301489 | CF281A. Word Capitalization | 0 | 0 | 0.000% |
| 301491 | CF281C. Rectangle Puzzle | 0 | 0 | 0.000% |
| 301493 | CF281E. Game on Tree | 0 | 0 | 0.000% |
| 301498 | CF282E. Sausage Maximization | 0 | 0 | 0.000% |
| 301501 | CF283C. Coin Troubles | 0 | 0 | 0.000% |
| 301508 | CF284E. Coin Troubles | 0 | 0 | 0.000% |
| 301524 | CF288A. Polo the Penguin and Strings | 0 | 0 | 0.000% |
| 301527 | CF288D. Polo the Penguin and Trees | 0 | 0 | 0.000% |
| 301530 | CF289B. Polo the Penguin and Matrix | 0 | 0 | 0.000% |
| 301531 | CF289C. Polo the Penguin and Strings | 0 | 0 | 0.000% |
| 301534 | CF290A. Mysterious strings | 0 | 0 | 0.000% |
| 301536 | CF290C. WTF? | 0 | 0 | 0.000% |
| 301541 | CF291B. Command Line Arguments | 0 | 0 | 0.000% |
| 301544 | CF291E. Tree-String Problem | 0 | 0 | 0.000% |
| 301553 | CF293D. Ksusha and Square | 0 | 0 | 0.000% |
| 301554 | CF293E. Close Vertices | 0 | 0 | 0.000% |
| 301559 | CF294E. Shaass the Great | 0 | 0 | 0.000% |
| 301566 | CF296B. Yaroslav and Two Strings | 0 | 0 | 0.000% |
| 301589 | CF300E. Empire Strikes Back | 0 | 0 | 0.000% |
| 301600 | CF303A. Lucky Permutation Triple | 0 | 0 | 0.000% |
| 301607 | CF304C. Lucky Permutation Triple | 0 | 0 | 0.000% |
| 301610 | CF305A. Strange Addition | 0 | 0 | 0.000% |
| 301614 | CF305E. Playing with String | 0 | 0 | 0.000% |
| 301618 | CF306D. Polygon | 0 | 0 | 0.000% |
| 301627 | CF309D. Tennis Rackets | 0 | 0 | 0.000% |
| 301630 | CF311B. Cats Transport | 0 | 0 | 0.000% |
| 301631 | CF311C. Fetch the Treasure | 0 | 0 | 0.000% |
| 301634 | CF312A. Whose sentence is it? | 0 | 0 | 0.000% |
| 301637 | CF312D. Cats Transport | 0 | 0 | 0.000% |
| 301638 | CF312E. Fetch the Treasure | 0 | 0 | 0.000% |
| 301641 | CF313C. Ilya and Matrix | 0 | 0 | 0.000% |
| 301645 | CF314B. Sereja and Periods | 0 | 0 | 0.000% |
| 301647 | CF314D. Sereja and Straight Lines | 0 | 0 | 0.000% |
| 301652 | CF315D. Sereja and Periods | 0 | 0 | 0.000% |
| 301669 | CF316G1. Good Substrings | 0 | 0 | 0.000% |
| 301670 | CF316G2. Good Substrings | 0 | 0 | 0.000% |
| 301671 | CF316G3. Good Substrings | 0 | 0 | 0.000% |
| 301674 | CF317C. Balance | 0 | 0 | 0.000% |
| 301678 | CF318B. Strings of Power | 0 | 0 | 0.000% |
| 301684 | CF319C. Kalila and Dimna in the Logging Industry | 0 | 0 | 0.000% |
| 301685 | CF319D. Have You Ever Heard About the Word? | 0 | 0 | 0.000% |
| 301691 | CF320E. Kalila and Dimna in the Logging Industry | 0 | 0 | 0.000% |
| 301694 | CF321C. Ciel the Commander | 0 | 0 | 0.000% |
| 301737 | CF329C. Graph Reconstruction | 0 | 0 | 0.000% |
| 301741 | CF330B. Road Construction | 0 | 0 | 0.000% |
| 301742 | CF330C. Purification | 0 | 0 | 0.000% |
| 301744 | CF330E. Graph Reconstruction | 0 | 0 | 0.000% |
| 301754 | CF331D3. Escaping on Beaveractor | 0 | 0 | 0.000% |
| 301766 | CF333E. Summer Earnings | 0 | 0 | 0.000% |
| 301778 | CF336A. Vasily the Bear and Triangle | 0 | 0 | 0.000% |
| 301781 | CF336D. Vasily the Bear and Beautiful Strings | 0 | 0 | 0.000% |
| 301785 | CF337C. Quiz | 0 | 0 | 0.000% |
| 301786 | CF337D. Book of Evil | 0 | 0 | 0.000% |
| 301787 | CF337E. Divisor Tree | 0 | 0 | 0.000% |
| 301789 | CF338B. Book of Evil | 0 | 0 | 0.000% |
| 301790 | CF338C. Divisor Tree | 0 | 0 | 0.000% |
| 301793 | CF339A. Helpful Maths | 0 | 0 | 0.000% |
| 301796 | CF339D. Xenia and Bit Operations | 0 | 0 | 0.000% |
| 301799 | CF340B. Maximal Area Quadrilateral | 0 | 0 | 0.000% |
| 301810 | CF342C. Cupboard and Balloons | 0 | 0 | 0.000% |
| 301812 | CF342E. Xenia and Tree | 0 | 0 | 0.000% |
| 301816 | CF343D. Water Tree | 0 | 0 | 0.000% |