| 300037 | CF9C. Hexadecimal's Numbers | 0 | 0 | 0.000% |
| 300038 | CF9D. How many trees? | 0 | 0 | 0.000% |
| 300041 | CF10B. Cinema Cashier | 0 | 0 | 0.000% |
| 300045 | CF11A. Increasing Sequence | 0 | 0 | 0.000% |
| 300046 | CF11B. Jumping Jack | 0 | 0 | 0.000% |
| 300047 | CF11C. How Many Squares? | 0 | 0 | 0.000% |
| 300048 | CF11D. A Simple Task | 0 | 0 | 0.000% |
| 300049 | CF11E. Forward, march! | 0 | 0 | 0.000% |
| 300055 | CF13A. Numbers | 0 | 0 | 0.000% |
| 300062 | CF14C. Four Segments | 0 | 2 | 0.000% |
| 300066 | CF15B. Laser | 0 | 0 | 0.000% |
| 300068 | CF15D. Map | 0 | 0 | 0.000% |
| 300071 | CF16B. Burglar and Matches | 0 | 0 | 0.000% |
| 300074 | CF16E. Fish | 0 | 0 | 0.000% |
| 300075 | CF17A. Noldbach problem | 0 | 1 | 0.000% |
| 300081 | CF18B. Platforms | 0 | 0 | 0.000% |
| 300090 | CF20A. BerOS file system | 0 | 0 | 0.000% |
| 300091 | CF20B. Equation | 0 | 0 | 0.000% |
| 300092 | CF20C. Dijkstra? | 0 | 1 | 0.000% |
| 300093 | CF21A. Jabber ID | 0 | 0 | 0.000% |
| 300094 | CF21B. Intersection | 0 | 0 | 0.000% |
| 300095 | CF21C. Stripe 2 | 0 | 0 | 0.000% |
| 300096 | CF21D. Traveling Graph | 0 | 0 | 0.000% |
| 300103 | CF23B. Party | 0 | 0 | 0.000% |
| 300105 | CF23D. Tetragon | 0 | 0 | 0.000% |
| 300109 | CF24C. Sequence of points | 0 | 0 | 0.000% |
| 300110 | CF24D. Broken robot | 0 | 0 | 0.000% |
| 300117 | CF26A. Almost Prime | 0 | 1 | 0.000% |
| 300118 | CF26B. Regular Bracket Sequence | 0 | 0 | 0.000% |
| 300119 | CF26C. Parquet | 0 | 0 | 0.000% |
| 300120 | CF26D. Tickets | 0 | 0 | 0.000% |
| 300121 | CF26E. Multithreading | 0 | 0 | 0.000% |
| 300122 | CF27A. Next Test | 0 | 0 | 0.000% |
| 300123 | CF27B. Tournament | 0 | 0 | 0.000% |
| 300124 | CF27C. Unordered Subsequence | 0 | 0 | 0.000% |
| 300125 | CF27D. Ring Road 2 | 0 | 0 | 0.000% |
| 300126 | CF27E. Number With The Given Amount Of Divisors | 0 | 0 | 0.000% |
| 300127 | CF28A. Bender Problem | 0 | 0 | 0.000% |
| 300128 | CF28B. pSort | 0 | 0 | 0.000% |
| 300129 | CF28C. Bath Queue | 0 | 0 | 0.000% |
| 300130 | CF28D. Don't fear, DravDe is kind | 0 | 0 | 0.000% |
| 300131 | CF28E. DravDe saves the world | 0 | 0 | 0.000% |
| 300132 | CF29A. Spit Problem | 0 | 0 | 0.000% |
| 300133 | CF29B. Traffic Lights | 0 | 0 | 0.000% |
| 300134 | CF29C. Mail Stamps | 0 | 0 | 0.000% |
| 300135 | CF29D. Ant on the Tree | 0 | 0 | 0.000% |
| 300136 | CF29E. Quarrel | 0 | 0 | 0.000% |
| 300137 | CF30A. Accounting | 0 | 0 | 0.000% |
| 300138 | CF30B. Codeforces World Finals | 0 | 0 | 0.000% |
| 300139 | CF30C. Shooting Gallery | 0 | 5 | 0.000% |
| 300140 | CF30D. King's Problem? | 0 | 0 | 0.000% |
| 300141 | CF30E. Tricky and Clever Password | 0 | 0 | 0.000% |
| 300142 | CF31A. Worms Evolution | 0 | 0 | 0.000% |
| 300143 | CF31B. Sysadmin Bob | 0 | 0 | 0.000% |
| 300144 | CF31C. Schedule | 0 | 0 | 0.000% |
| 300145 | CF31D. Chocolate | 0 | 0 | 0.000% |
| 300146 | CF31E. TV Game | 0 | 0 | 0.000% |
| 300147 | CF32A. Reconnaissance | 0 | 0 | 0.000% |
| 300148 | CF32B. Borze | 0 | 0 | 0.000% |
| 300149 | CF32C. Flea | 0 | 0 | 0.000% |
| 300150 | CF32D. Constellation | 0 | 0 | 0.000% |
| 300151 | CF32E. Hide-and-Seek | 0 | 0 | 0.000% |
| 300152 | CF33A. What is for dinner? | 0 | 0 | 0.000% |
| 300153 | CF33B. String Problem | 0 | 0 | 0.000% |
| 300154 | CF33C. Wonderful Randomized Sum | 0 | 0 | 0.000% |
| 300155 | CF33D. Knights | 0 | 0 | 0.000% |
| 300156 | CF33E. Helper | 0 | 0 | 0.000% |
| 300160 | CF34D. Road Map | 0 | 0 | 0.000% |
| 300161 | CF34E. Collisions | 0 | 0 | 0.000% |
| 300165 | CF35D. Animals | 0 | 0 | 0.000% |
| 300175 | CF37D. Lesson Timetable | 0 | 0 | 0.000% |
| 300182 | CF38F. Smart Boy | 0 | 0 | 0.000% |
| 300184 | CF38H. The Great Marathon | 0 | 0 | 0.000% |
| 300188 | CF39D. Cubical Planet | 0 | 0 | 0.000% |
| 300196 | CF40A. Find Color | 0 | 0 | 0.000% |
| 300197 | CF40B. Repaintings | 0 | 0 | 0.000% |
| 300198 | CF40C. Berland Square | 0 | 0 | 0.000% |
| 300199 | CF40D. Interesting Sequence | 0 | 0 | 0.000% |
| 300202 | CF41B. Martian Dollar | 0 | 0 | 0.000% |
| 300203 | CF41C. Email address | 0 | 0 | 0.000% |
| 300209 | CF42D. Strange town | 0 | 0 | 0.000% |
| 300210 | CF42E. Baldman and the military | 0 | 0 | 0.000% |
| 300219 | CF44D. Hyperdrive | 0 | 0 | 0.000% |
| 300243 | CF47A. Triangular numbers | 0 | 0 | 0.000% |
| 300257 | CF49B. Sum | 0 | 0 | 0.000% |
| 300258 | CF49C. Disposition | 0 | 0 | 0.000% |
| 300261 | CF50A. Domino piling | 0 | 0 | 0.000% |
| 300265 | CF50E. Square Equation Roots | 0 | 0 | 0.000% |
| 300270 | CF51E. Pentagon | 0 | 0 | 0.000% |
| 300279 | CF53E. Dead Ends | 0 | 0 | 0.000% |
| 300282 | CF54C. First Digit Law | 0 | 0 | 0.000% |
| 300285 | CF55A. Flea travel | 0 | 0 | 0.000% |
| 300286 | CF55B. Smallest number | 0 | 0 | 0.000% |
| 300292 | CF56C. Corporation Mail | 0 | 0 | 0.000% |
| 300296 | CF57B. Martian Architecture | 0 | 0 | 0.000% |
| 300297 | CF57C. Array | 0 | 0 | 0.000% |
| 300298 | CF57D. Journey | 0 | 0 | 0.000% |
| 300299 | CF57E. Chess | 0 | 0 | 0.000% |
| 300313 | CF60D. Savior | 0 | 0 | 0.000% |
| 300314 | CF60E. Mushroom Gnomes | 0 | 0 | 0.000% |