| 302089 | CF397B. On Corruption and Numbers | 0 | 0 | 0.000% |
| 302090 | CF397C. On Number of Decompositions into Multipliers | 0 | 0 | 0.000% |
| 302091 | CF397D. On Sum of Fractions | 0 | 0 | 0.000% |
| 302093 | CF398A. Cards | 0 | 0 | 0.000% |
| 302096 | CF398D. Instant Messanger | 0 | 0 | 0.000% |
| 302097 | CF398E. Sorting Permutations | 0 | 0 | 0.000% |
| 302098 | CF399A. Pages | 0 | 0 | 0.000% |
| 302103 | CF400A. Inna and Choose Options | 0 | 0 | 0.000% |
| 302104 | CF400B. Inna and New Matrix of Candies | 0 | 0 | 0.000% |
| 302105 | CF400C. Inna and Huge Candy Matrix | 0 | 0 | 0.000% |
| 302106 | CF400D. Dima and Bacteria | 0 | 0 | 0.000% |
| 302107 | CF400E. Inna and Binary Logic | 0 | 0 | 0.000% |
| 302108 | CF401A. Vanya and Cards | 0 | 0 | 0.000% |
| 302109 | CF401B. Sereja and Contests | 0 | 0 | 0.000% |
| 302110 | CF401C. Team | 0 | 0 | 0.000% |
| 302111 | CF401D. Roman and Numbers | 0 | 0 | 0.000% |
| 302112 | CF401E. Olympic Games | 0 | 0 | 0.000% |
| 302113 | CF402A. Nuts | 0 | 0 | 0.000% |
| 302114 | CF402B. Trees in a Row | 0 | 2 | 0.000% |
| 302116 | CF402D. Upgrading Array | 0 | 0 | 0.000% |
| 302117 | CF402E. Strictly Positive Matrix | 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% |
| 302123 | CF404A. Valera and X | 0 | 0 | 0.000% |
| 302124 | CF404B. Marathon | 0 | 0 | 0.000% |
| 302126 | CF404D. Minesweeper 1D | 0 | 0 | 0.000% |
| 302127 | CF404E. Maze 1D | 0 | 0 | 0.000% |
| 302128 | CF405A. Gravity Flip | 0 | 0 | 0.000% |
| 302129 | CF405B. Domino Effect | 0 | 0 | 0.000% |
| 302130 | CF405C. Unusual Product | 0 | 0 | 0.000% |
| 302131 | CF405D. Toy Sum | 0 | 0 | 0.000% |
| 302133 | CF406A. Unusual Product | 0 | 0 | 0.000% |
| 302134 | CF406B. Toy Sum | 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% |
| 302143 | CF408A. Line to Cashier | 0 | 0 | 0.000% |
| 302144 | CF408B. Garland | 0 | 0 | 0.000% |
| 302145 | CF408C. Triangle | 0 | 0 | 0.000% |
| 302148 | CF409A. The Great Game | 0 | 0 | 0.000% |
| 302149 | CF409B. Mysterious Language | 0 | 0 | 0.000% |
| 302150 | CF409C. Magnum Opus | 0 | 0 | 0.000% |
| 302152 | CF409E. Dome | 0 | 0 | 0.000% |
| 302154 | CF409G. On a plane | 0 | 0 | 0.000% |
| 302155 | CF409H. A + B Strikes Back | 0 | 0 | 0.000% |
| 302157 | CF411A. Password Check | 0 | 0 | 0.000% |
| 302158 | CF411B. Multi-core Processor | 0 | 0 | 0.000% |
| 302159 | CF411C. Kicker | 0 | 0 | 0.000% |
| 302160 | CF412A. Poster | 0 | 0 | 0.000% |
| 302162 | CF412C. Pattern | 0 | 0 | 0.000% |
| 302164 | CF412E. E-mail Addresses | 0 | 0 | 0.000% |
| 302165 | CF413A. Data Recovery | 0 | 0 | 0.000% |
| 302166 | CF413B. Spyke Chatting | 0 | 0 | 0.000% |
| 302167 | CF413C. Jeopardy! | 0 | 0 | 0.000% |
| 302168 | CF413D. 2048 | 0 | 0 | 0.000% |
| 302169 | CF413E. Maze 2D | 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% |
| 302175 | CF415A. Mashmokh and Lights | 0 | 0 | 0.000% |
| 302176 | CF415B. Mashmokh and Tokens | 0 | 0 | 0.000% |
| 302177 | CF415C. Mashmokh and Numbers | 0 | 0 | 0.000% |
| 302178 | CF415D. Mashmokh and ACM | 0 | 0 | 0.000% |
| 302179 | CF415E. Mashmokh and Reverse Operation | 0 | 0 | 0.000% |
| 302180 | CF416A. Guess a number! | 0 | 0 | 0.000% |
| 302181 | CF416B. Art Union | 0 | 0 | 0.000% |
| 302182 | CF416C. Booking System | 0 | 0 | 0.000% |
| 302183 | CF416D. Population Size | 0 | 0 | 0.000% |
| 302185 | CF417A. Elimination | 0 | 0 | 0.000% |
| 302186 | CF417B. Crash | 0 | 0 | 0.000% |
| 302187 | CF417C. Football | 0 | 0 | 0.000% |
| 302188 | CF417D. Cunning Gena | 0 | 0 | 0.000% |
| 302189 | CF417E. Square Table | 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% |
| 302196 | CF419B. Online Meeting | 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% |
| 302204 | CF420E. Playing the ball | 0 | 0 | 0.000% |
| 302205 | CF421A. Pasha and Hamsters | 0 | 0 | 0.000% |
| 302206 | CF421B. Start Up | 0 | 0 | 0.000% |
| 302207 | CF421C. Online Meeting | 0 | 0 | 0.000% |
| 302210 | CF424A. Squats | 0 | 0 | 0.000% |
| 302211 | CF424B. Megacity | 0 | 0 | 0.000% |
| 302212 | CF424C. Magic Formulas | 0 | 0 | 0.000% |
| 302216 | CF425B. Sereja and Table | 0 | 0 | 0.000% |
| 302220 | CF426A. Sereja and Mugs | 0 | 0 | 0.000% |
| 302221 | CF426B. Sereja and Mirroring | 0 | 0 | 0.000% |
| 302225 | CF427A. Police Recruits | 0 | 0 | 0.000% |