| 303224 | CF627D. Preorder Test | 0 | 0 | 0.000% |
| 303226 | CF627F. Island Puzzle | 0 | 0 | 0.000% |
| 303237 | CF629E. Famil Door and Roads | 0 | 0 | 0.000% |
| 303266 | CF632F. Magic Matrix | 0 | 0 | 0.000% |
| 303272 | CF633F. The Chocolate Spree | 0 | 0 | 0.000% |
| 303273 | CF633G. Yash And Trees | 0 | 0 | 0.000% |
| 303294 | CF638C. Road Improvement | 0 | 0 | 0.000% |
| 303297 | CF639B. Bear and Forgotten Tree 3 | 0 | 0 | 0.000% |
| 303301 | CF639F. Bear and Chemistry | 0 | 0 | 0.000% |
| 303322 | CF643E. Bear and Destroying Subtrees | 0 | 0 | 0.000% |
| 303353 | CF650E. Clockwork Bomb | 0 | 0 | 0.000% |
| 303363 | CF652E. Pursuit For Artifacts | 0 | 0 | 0.000% |
| 303369 | CF653E. Bear and Forgotten Tree 2 | 0 | 0 | 0.000% |
| 303386 | CF657A. Bear and Forgotten Tree 3 | 0 | 0 | 0.000% |
| 303390 | CF657E. Bear and Chemistry | 0 | 0 | 0.000% |
| 303393 | CF658C. Bear and Forgotten Tree 3 | 0 | 0 | 0.000% |
| 303436 | CF665E. Beautiful Subarrays | 0 | 0 | 0.000% |
| 303486 | CF674E. Bear and Destroying Subtrees | 0 | 0 | 0.000% |
| 303492 | CF675D. Tree Construction | 0 | 0 | 0.000% |
| 303523 | CF681D. Gifts by the List | 0 | 0 | 0.000% |
| 303527 | CF682C. Alyona and the Tree | 0 | 0 | 0.000% |
| 303542 | CF685B. Kay and Snowflake | 0 | 0 | 0.000% |
| 303549 | CF686D. Kay and Snowflake | 0 | 0 | 0.000% |
| 303573 | CF690C2. Brain Network (medium) | 0 | 0 | 0.000% |
| 303574 | CF690C3. Brain Network (hard) | 0 | 0 | 0.000% |
| 303580 | CF690F1. Tree of Life (easy) | 0 | 0 | 0.000% |
| 303581 | CF690F2. Tree of Life (medium) | 0 | 0 | 0.000% |
| 303582 | CF690F3. Tree of Life (hard) | 0 | 0 | 0.000% |
| 303596 | CF696A. Lorenzo Von Matterhorn | 0 | 0 | 0.000% |
| 303597 | CF696B. Puzzles | 0 | 0 | 0.000% |
| 303600 | CF696E. ...Wait for it... | 0 | 0 | 0.000% |
| 303604 | CF697C. Lorenzo Von Matterhorn | 0 | 0 | 0.000% |
| 303609 | CF698B. Fix a Tree | 0 | 0 | 0.000% |
| 303617 | CF699D. Fix a Tree | 0 | 0 | 0.000% |
| 303621 | CF700B. Connecting Universities | 0 | 0 | 0.000% |
| 303629 | CF701E. Connecting Universities | 0 | 0 | 0.000% |
| 303646 | CF704E. Iron Man | 0 | 0 | 0.000% |
| 303655 | CF706D. Vasiliy's Multiset | 0 | 0 | 0.000% |
| 303664 | CF708C. Centroids | 0 | 0 | 0.000% |
| 303671 | CF709E. Centroids | 0 | 0 | 0.000% |
| 303680 | CF711C. Coloring Trees | 0 | 0 | 0.000% |
| 303700 | CF715C. Digit Tree | 0 | 0 | 0.000% |
| 303707 | CF716E. Digit Tree | 0 | 0 | 0.000% |
| 303719 | CF718D. Andrew and Chemistry | 0 | 0 | 0.000% |
| 303739 | CF722D. Generating Sets | 0 | 0 | 0.000% |
| 303747 | CF723F. st-Spanning Tree | 0 | 0 | 0.000% |
| 303753 | CF724F. Uniformly Branched Trees | 0 | 0 | 0.000% |
| 303754 | CF724G. Xor-matic Number of the Graph | 0 | 0 | 0.000% |
| 303761 | CF725G. Messages on a Tree | 0 | 0 | 0.000% |
| 303803 | CF733F. Drivers Dissatisfaction | 0 | 0 | 0.000% |
| 303808 | CF734E. Anton and Tree | 0 | 0 | 0.000% |
| 303814 | CF735E. Ostap and Tree | 0 | 0 | 0.000% |
| 303817 | CF736C. Ostap and Tree | 0 | 0 | 0.000% |
| 303833 | CF739B. Alyona and a tree | 0 | 0 | 0.000% |
| 303840 | CF740D. Alyona and a tree | 0 | 0 | 0.000% |
| 303845 | CF741D. Arpa’s letter-marked tree and Mehrdad’s Dokhtar-kosh paths | 0 | 0 | 0.000% |
| 303855 | CF743D. Chloe and pleasant prizes | 0 | 0 | 0.000% |
| 303873 | CF746G. New Roads | 0 | 0 | 0.000% |
| 303885 | CF748F. Santa Clauses and a Soccer Championship | 0 | 0 | 0.000% |
| 303896 | CF750F. New Year and Finding Roots | 0 | 0 | 0.000% |
| 303897 | CF750G. New Year and Binary Tree Paths | 0 | 0 | 0.000% |
| 303906 | CF752F. Santa Clauses and a Soccer Championship | 0 | 0 | 0.000% |
| 303914 | CF754E. Dasha and cyclic table | 0 | 0 | 0.000% |
| 303917 | CF755C. PolandBall and Forest | 0 | 0 | 0.000% |
| 303934 | CF757G. Can Bash Save the Day? | 0 | 0 | 0.000% |
| 303939 | CF758E. Broken Tree | 0 | 0 | 0.000% |
| 303957 | CF761E. Dasha and Puzzle | 0 | 0 | 0.000% |
| 303964 | CF762F. Tree nesting | 0 | 0 | 0.000% |
| 303965 | CF763A. Timofey and a tree | 0 | 0 | 0.000% |
| 303968 | CF763D. Timofey and a flat tree | 0 | 0 | 0.000% |
| 303972 | CF764C. Timofey and a tree | 0 | 0 | 0.000% |
| 303979 | CF765E. Tree Folding | 0 | 0 | 0.000% |
| 303986 | CF766E. Mahmoud and a xor trip | 0 | 0 | 0.000% |
| 303989 | CF767C. Garland | 0 | 0 | 0.000% |
| 304009 | CF771C. Bear and Tree Jumps | 0 | 0 | 0.000% |
| 304017 | CF772E. Verifying Kingdom | 0 | 0 | 0.000% |
| 304051 | CF778C. Peterson Polyglot | 0 | 0 | 0.000% |
| 304062 | CF780C. Andryusha and Colored Balloons | 0 | 0 | 0.000% |
| 304068 | CF781A. Andryusha and Colored Balloons | 0 | 0 | 0.000% |
| 304070 | CF781C. Underground Lab | 0 | 0 | 0.000% |
| 304076 | CF782C. Andryusha and Colored Balloons | 0 | 0 | 0.000% |
| 304095 | CF786D. Rap God | 0 | 0 | 0.000% |
| 304096 | CF786E. ALT | 0 | 0 | 0.000% |
| 304101 | CF787E. Till I Collapse | 0 | 0 | 0.000% |
| 304113 | CF790B. Bear and Tree Jumps | 0 | 0 | 0.000% |
| 304120 | CF791D. Bear and Tree Jumps | 0 | 0 | 0.000% |
| 304125 | CF792D. Paths in a Complete Binary Tree | 0 | 0 | 0.000% |
| 304132 | CF793E. Problem of offices | 0 | 0 | 0.000% |
| 304156 | CF796C. Bank Hacking | 0 | 0 | 0.000% |
| 304157 | CF796D. Police Stations | 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% |
| 304213 | CF804D. Expected diameter of a tree | 0 | 0 | 0.000% |
| 304221 | CF805F. Expected diameter of a tree | 0 | 0 | 0.000% |
| 304245 | CF809E. Surprise me! | 0 | 0 | 0.000% |
| 304259 | CF812D. Sagheer and Kindergarten | 0 | 0 | 0.000% |
| 304260 | CF812E. Sagheer and Apple Tree | 0 | 0 | 0.000% |
| 304270 | CF814D. An overnight dance in discotheque | 0 | 0 | 0.000% |
| 304274 | CF815C. Karen and Supermarket | 0 | 0 | 0.000% |