| 300013 | CF4C. Registration system | 0 | 0 | 0.000% |
| 300112 | CF25A. IQ test | 0 | 2 | 0.000% |
| 300123 | CF27B. Tournament | 0 | 0 | 0.000% |
| 300159 | CF34C. Page Numbers | 0 | 1 | 0.000% |
| 300167 | CF36A. Extra-terrestrial Intelligence | 0 | 0 | 0.000% |
| 300186 | CF39B. Company Income Growth | 0 | 0 | 0.000% |
| 300190 | CF39F. Pacifist frogs | 0 | 0 | 0.000% |
| 300192 | CF39H. Multiplication Table | 0 | 0 | 0.000% |
| 300196 | CF40A. Find Color | 0 | 0 | 0.000% |
| 300203 | CF41C. Email address | 0 | 0 | 0.000% |
| 300213 | CF43C. Lucky Tickets | 0 | 0 | 0.000% |
| 300218 | CF44C. Holidays | 0 | 0 | 0.000% |
| 300266 | CF51A. Cheaterius's Problem | 0 | 0 | 0.000% |
| 300280 | CF54A. Presents | 0 | 0 | 0.000% |
| 300291 | CF56B. Spoilt Permutation | 0 | 0 | 0.000% |
| 300295 | CF57A. Square Earth? | 0 | 0 | 0.000% |
| 300301 | CF58B. Coins | 0 | 0 | 0.000% |
| 300310 | CF60A. Where Are My Flakes? | 0 | 0 | 0.000% |
| 300316 | CF61B. Hard Work | 0 | 0 | 0.000% |
| 300320 | CF62A. A Student's Dream | 0 | 0 | 0.000% |
| 300330 | CF64A. Factorial | 0 | 0 | 0.000% |
| 300344 | CF66A. Petya and Java | 0 | 0 | 0.000% |
| 300364 | CF70A. Cookies | 0 | 0 | 0.000% |
| 300370 | CF71B. Progress Bar | 0 | 0 | 0.000% |
| 300435 | CF83A. Magical Array | 0 | 0 | 0.000% |
| 300441 | CF84B. Magical Array | 0 | 0 | 0.000% |
| 300445 | CF85A. Domino | 0 | 0 | 0.000% |
| 300481 | CF92B. Binary Number | 0 | 0 | 0.000% |
| 300491 | CF94B. Friends | 0 | 0 | 0.000% |
| 300501 | CF96B. Lucky Numbers (easy) | 0 | 0 | 0.000% |
| 300516 | CF99B. Help Chef Gerasim | 0 | 0 | 0.000% |
| 300610 | CF117A. Elevator | 0 | 0 | 0.000% |
| 300645 | CF123A. Prime Permutation | 0 | 0 | 0.000% |
| 300652 | CF124C. Prime Permutation | 0 | 0 | 0.000% |
| 300696 | CF132A. Turing Tape | 0 | 0 | 0.000% |
| 300703 | CF133C. Turing Tape | 0 | 0 | 0.000% |
| 300709 | CF135A. Replacement | 0 | 0 | 0.000% |
| 300712 | CF135A. Replacement | 0 | 0 | 0.000% |
| 300719 | CF136C. Replacement | 0 | 0 | 0.000% |
| 300759 | CF144B. Meeting | 0 | 0 | 0.000% |
| 300769 | CF146B. Lucky Mask | 0 | 0 | 0.000% |
| 300773 | CF147A. Punctuation | 0 | 0 | 0.000% |
| 300796 | CF152B. Steps | 0 | 0 | 0.000% |
| 300828 | CF158D. Ice Sculptures | 0 | 0 | 0.000% |
| 300840 | CF161A. Dress'em in Vests! | 0 | 0 | 0.000% |
| 300892 | CF171B. Star | 0 | 0 | 0.000% |
| 300894 | CF171D. Broken checker | 0 | 0 | 0.000% |
| 300904 | CF173A. Rock-Paper-Scissors | 0 | 0 | 0.000% |
| 300964 | CF181B. Number of Triplets | 0 | 0 | 0.000% |
| 300978 | CF185A. Plant | 0 | 0 | 0.000% |
| 300985 | CF186C. Plant | 0 | 0 | 0.000% |
| 300994 | CF188B. A + Reverse B | 0 | 0 | 0.000% |
| 301001 | CF189A. Cut Ribbon | 0 | 0 | 0.000% |
| 301002 | CF189B. Counting Rhombi | 0 | 0 | 0.000% |
| 301016 | CF192A. Funky Numbers | 0 | 0 | 0.000% |
| 301032 | CF195B. After Training | 0 | 0 | 0.000% |
| 301072 | CF203B. Game on Paper | 0 | 0 | 0.000% |
| 301153 | CF215B. Olympic Medal | 0 | 0 | 0.000% |
| 301177 | CF220A. Little Elephant and Problem | 0 | 0 | 0.000% |
| 301183 | CF221B. Little Elephant and Numbers | 0 | 0 | 0.000% |
| 301184 | CF221C. Little Elephant and Problem | 0 | 0 | 0.000% |
| 301188 | CF222B. Cosmic Tables | 0 | 0 | 0.000% |
| 301212 | CF227A. Where do I Turn? | 0 | 0 | 0.000% |
| 301228 | CF230B. T-primes | 0 | 0 | 0.000% |
| 301249 | CF234C. Weather | 0 | 0 | 0.000% |
| 301261 | CF236B. Easy Number Challenge | 0 | 1 | 0.000% |
| 301270 | CF238A. Not Wool Sequences | 0 | 0 | 0.000% |
| 301277 | CF239C. Not Wool Sequences | 0 | 0 | 0.000% |
| 301286 | CF241A. Old Peykan | 0 | 0 | 0.000% |
| 301317 | CF246B. Increase and Decrease | 0 | 0 | 0.000% |
| 301341 | CF251A. Points on Line | 0 | 0 | 0.000% |
| 301348 | CF252C. Points on Line | 0 | 0 | 0.000% |
| 301372 | CF257B. Playing Cubes | 0 | 0 | 0.000% |
| 301440 | CF271B. Prime Matrix | 0 | 0 | 0.000% |
| 301465 | CF276B. Little Girl and Game | 0 | 0 | 0.000% |
| 301524 | CF288A. Polo the Penguin and Strings | 0 | 0 | 0.000% |
| 301531 | CF289C. Polo the Penguin and Strings | 0 | 0 | 0.000% |
| 301541 | CF291B. Command Line Arguments | 0 | 0 | 0.000% |
| 301575 | CF298A. Snow Footprints | 0 | 0 | 0.000% |
| 301600 | CF303A. Lucky Permutation Triple | 0 | 0 | 0.000% |
| 301606 | CF304B. Calendar | 0 | 0 | 0.000% |
| 301607 | CF304C. Lucky Permutation Triple | 0 | 0 | 0.000% |
| 301629 | CF311A. The Closest Pair | 0 | 0 | 0.000% |
| 301635 | CF312B. Archer | 0 | 0 | 0.000% |
| 301636 | CF312C. The Closest Pair | 0 | 0 | 0.000% |
| 301678 | CF318B. Strings of Power | 0 | 0 | 0.000% |
| 301741 | CF330B. Road Construction | 0 | 0 | 0.000% |
| 301757 | CF332A. Down the Hatch! | 0 | 0 | 0.000% |
| 301835 | CF347A. Difference Row | 0 | 0 | 0.000% |
| 301861 | CF352B. Jeff and Periods | 0 | 0 | 0.000% |
| 301951 | CF370B. Berland Bingo | 0 | 0 | 0.000% |
| 301956 | CF371B. Fox Dividing Cheese | 0 | 0 | 0.000% |
| 301981 | CF376B. I.O.U. | 0 | 0 | 0.000% |
| 301991 | CF378B. Semifinals | 0 | 0 | 0.000% |
| 302166 | CF413B. Spyke Chatting | 0 | 0 | 0.000% |
| 302181 | CF416B. Art Union | 0 | 0 | 0.000% |
| 302221 | CF426B. Sereja and Mirroring | 0 | 0 | 0.000% |
| 302230 | CF429A. Xor-tree | 0 | 0 | 0.000% |
| 302237 | CF430C. Xor-tree | 0 | 0 | 0.000% |
| 302271 | CF437A. The Child and Homework | 0 | 0 | 0.000% |