| 302004 | CF380C. Sereja and Brackets | 0 | 0 | 0.000% |
| 302005 | CF380D. Sereja and Cinema | 0 | 0 | 0.000% |
| 302006 | CF380E. Sereja and Dividing | 0 | 0 | 0.000% |
| 302017 | CF383A. Milking cows | 0 | 0 | 0.000% |
| 302018 | CF383B. Volcanoes | 0 | 0 | 0.000% |
| 302019 | CF383C. Propagating tree | 0 | 0 | 0.000% |
| 302020 | CF383D. Antimatter | 0 | 0 | 0.000% |
| 302021 | CF383E. Vowels | 0 | 0 | 0.000% |
| 302041 | CF388A. Fox and Box Accumulation | 0 | 2 | 0.000% |
| 302042 | CF388B. Fox and Minimal path | 0 | 0 | 0.000% |
| 302043 | CF388C. Fox and Card Game | 0 | 0 | 0.000% |
| 302044 | CF388D. Fox and Perfect Sets | 0 | 0 | 0.000% |
| 302045 | CF388E. Fox and Meteor Shower | 0 | 0 | 0.000% |
| 302068 | CF392A. Blocked Points | 0 | 0 | 0.000% |
| 302069 | CF392B. Tower of Hanoi | 0 | 0 | 0.000% |
| 302070 | CF392C. Yet Another Number Sequence | 0 | 0 | 0.000% |
| 302071 | CF392D. Three Arrays | 0 | 0 | 0.000% |
| 302072 | CF392E. Deleting Substrings | 0 | 0 | 0.000% |
| 302083 | CF396A. On Number of Decompositions into Multipliers | 0 | 0 | 0.000% |
| 302084 | CF396B. On Sum of Fractions | 0 | 0 | 0.000% |
| 302085 | CF396C. On Changing Tree | 0 | 0 | 0.000% |
| 302086 | CF396D. On Sum of Number of Inversions in Permutations | 0 | 0 | 0.000% |
| 302087 | CF396E. On Iteration of One Well-Known Function | 0 | 0 | 0.000% |
| 302093 | CF398A. Cards | 0 | 0 | 0.000% |
| 302094 | CF398B. Painting The Wall | 0 | 0 | 0.000% |
| 302095 | CF398C. Tree and Array | 0 | 0 | 0.000% |
| 302096 | CF398D. Instant Messanger | 0 | 0 | 0.000% |
| 302097 | CF398E. Sorting Permutations | 0 | 0 | 0.000% |
| 302118 | CF403A. Searching for Graph | 0 | 0 | 0.000% |
| 302119 | CF403B. Upgrading Array | 0 | 0 | 0.000% |
| 302120 | CF403C. Strictly Positive Matrix | 0 | 0 | 0.000% |
| 302121 | CF403D. Beautiful Pairs of Numbers | 0 | 0 | 0.000% |
| 302122 | CF403E. Two Rooted Trees | 0 | 0 | 0.000% |
| 302133 | CF406A. Unusual Product | 0 | 0 | 0.000% |
| 302134 | CF406B. Toy Sum | 0 | 0 | 0.000% |
| 302135 | CF406C. Graph Cutting | 0 | 0 | 0.000% |
| 302136 | CF406D. Hill Climbing | 0 | 0 | 0.000% |
| 302137 | CF406E. Hamming Triples | 0 | 0 | 0.000% |
| 302138 | CF407A. Triangle | 0 | 0 | 0.000% |
| 302139 | CF407B. Long Path | 0 | 0 | 0.000% |
| 302140 | CF407C. Curious Array | 0 | 0 | 0.000% |
| 302141 | CF407D. Largest Submatrix 3 | 0 | 0 | 0.000% |
| 302142 | CF407E. k-d-sequence | 0 | 0 | 0.000% |
| 302170 | CF414A. Mashmokh and Numbers | 0 | 0 | 0.000% |
| 302171 | CF414B. Mashmokh and ACM | 0 | 0 | 0.000% |
| 302172 | CF414C. Mashmokh and Reverse Operation | 0 | 0 | 0.000% |
| 302173 | CF414D. Mashmokh and Water Tanks | 0 | 0 | 0.000% |
| 302174 | CF414E. Mashmokh's Designed Problem | 0 | 0 | 0.000% |
| 302190 | CF418A. Football | 0 | 0 | 0.000% |
| 302191 | CF418B. Cunning Gena | 0 | 0 | 0.000% |
| 302192 | CF418C. Square Table | 0 | 0 | 0.000% |
| 302193 | CF418D. Big Problems for Organizers | 0 | 0 | 0.000% |
| 302194 | CF418E. Tricky Password | 0 | 0 | 0.000% |
| 302200 | CF420A. Start Up | 0 | 0 | 0.000% |
| 302201 | CF420B. Online Meeting | 0 | 0 | 0.000% |
| 302202 | CF420C. Bug in Code | 0 | 0 | 0.000% |
| 302203 | CF420D. Cup Trick | 0 | 0 | 0.000% |
| 302204 | CF420E. Playing the ball | 0 | 0 | 0.000% |
| 302215 | CF425A. Sereja and Swaps | 0 | 0 | 0.000% |
| 302216 | CF425B. Sereja and Table | 0 | 0 | 0.000% |
| 302217 | CF425C. Sereja and Two Sequences | 0 | 0 | 0.000% |
| 302218 | CF425D. Sereja and Squares | 0 | 0 | 0.000% |
| 302219 | CF425E. Sereja and Sets | 0 | 0 | 0.000% |
| 302230 | CF429A. Xor-tree | 0 | 0 | 0.000% |
| 302231 | CF429B. Working out | 0 | 0 | 0.000% |
| 302232 | CF429C. Guess the Tree | 0 | 0 | 0.000% |
| 302233 | CF429D. Tricky Function | 0 | 0 | 0.000% |
| 302234 | CF429E. Points and Segments | 0 | 0 | 0.000% |
| 302255 | CF434A. Ryouko's Memory Note | 0 | 0 | 0.000% |
| 302256 | CF434B. Nanami's Digital Board | 0 | 0 | 0.000% |
| 302257 | CF434C. Tachibana Kanade's Tofu | 0 | 0 | 0.000% |
| 302258 | CF434D. Nanami's Power Plant | 0 | 0 | 0.000% |
| 302259 | CF434E. Furukawa Nagisa's Tree | 0 | 0 | 0.000% |
| 302276 | CF438A. The Child and Toy | 0 | 0 | 0.000% |
| 302277 | CF438B. The Child and Zoo | 0 | 0 | 0.000% |
| 302278 | CF438C. The Child and Polygon | 0 | 0 | 0.000% |
| 302279 | CF438D. The Child and Sequence | 0 | 0 | 0.000% |
| 302280 | CF438E. The Child and Binary Tree | 0 | 0 | 0.000% |
| 302295 | CF442A. Borya and Hanabi | 0 | 0 | 0.000% |
| 302296 | CF442B. Andrey and Problem | 0 | 0 | 0.000% |
| 302297 | CF442C. Artem and Array | 0 | 0 | 0.000% |
| 302298 | CF442D. Adam and Tree | 0 | 0 | 0.000% |
| 302299 | CF442E. Gena and Second Distance | 0 | 0 | 0.000% |
| 302305 | CF444A. DZY Loves Physics | 0 | 0 | 0.000% |
| 302306 | CF444B. DZY Loves FFT | 0 | 0 | 0.000% |
| 302307 | CF444C. DZY Loves Colors | 0 | 0 | 0.000% |
| 302308 | CF444D. DZY Loves Strings | 0 | 0 | 0.000% |
| 302309 | CF444E. DZY Loves Planting | 0 | 0 | 0.000% |
| 302315 | CF446A. DZY Loves Sequences | 0 | 0 | 0.000% |
| 302316 | CF446B. DZY Loves Modification | 0 | 0 | 0.000% |
| 302317 | CF446C. DZY Loves Fibonacci Numbers | 0 | 0 | 0.000% |
| 302318 | CF446D. DZY Loves Games | 0 | 0 | 0.000% |
| 302319 | CF446E. DZY Loves Bridges | 0 | 0 | 0.000% |
| 302330 | CF449A. Jzzhu and Chocolate | 0 | 0 | 0.000% |
| 302331 | CF449B. Jzzhu and Cities | 0 | 0 | 0.000% |
| 302332 | CF449C. Jzzhu and Apples | 0 | 0 | 0.000% |
| 302333 | CF449D. Jzzhu and Numbers | 0 | 0 | 0.000% |
| 302334 | CF449E. Jzzhu and Squares | 0 | 0 | 0.000% |
| 302351 | CF453A. Little Pony and Expected Maximum | 0 | 0 | 0.000% |
| 302352 | CF453B. Little Pony and Harmony Chest | 0 | 0 | 0.000% |