| 301000 | CF188H. Stack | 0 | 0 | 0.000% |
| 301008 | CF190C. STL | 0 | 0 | 0.000% |
| 301011 | CF191A. Dynasty Puzzles | 0 | 0 | 0.000% |
| 301012 | CF191B. Demonstration | 0 | 0 | 0.000% |
| 301015 | CF191E. Thwarting Demonstrations | 0 | 0 | 0.000% |
| 301018 | CF192C. Dynasty Puzzles | 0 | 0 | 0.000% |
| 301019 | CF192D. Demonstration | 0 | 0 | 0.000% |
| 301023 | CF193C. Hamming Distance | 0 | 0 | 0.000% |
| 301028 | CF194C. Cutting Figure | 0 | 0 | 0.000% |
| 301030 | CF194E. Hamming Distance | 0 | 0 | 0.000% |
| 301035 | CF195E. Building Forest | 0 | 0 | 0.000% |
| 301036 | CF196A. Lexicographically Maximum Subsequence | 0 | 0 | 0.000% |
| 301039 | CF196D. The Next Good String | 0 | 0 | 0.000% |
| 301043 | CF197C. Lexicographically Maximum Subsequence | 0 | 0 | 0.000% |
| 301050 | CF198E. Gripping Story | 0 | 0 | 0.000% |
| 301066 | CF202A. LLPS | 0 | 0 | 0.000% |
| 301079 | CF204D. Little Elephant and Retro Strings | 0 | 0 | 0.000% |
| 301080 | CF204E. Little Elephant and Strings | 0 | 0 | 0.000% |
| 301124 | CF208A. Dubstep | 0 | 0 | 0.000% |
| 301126 | CF208C. Police Station | 0 | 0 | 0.000% |
| 301133 | CF211B. Polycarpus is Looking for Good Substrings | 0 | 0 | 0.000% |
| 301136 | CF211E. IT Restaurants | 0 | 0 | 0.000% |
| 301138 | CF212B. Polycarpus is Looking for Good Substrings | 0 | 0 | 0.000% |
| 301141 | CF212E. IT Restaurants | 0 | 0 | 0.000% |
| 301145 | CF213D. Stars | 0 | 0 | 0.000% |
| 301146 | CF213E. Two Permutations | 0 | 0 | 0.000% |
| 301147 | CF214A. System of Equations | 0 | 2 | 0.000% |
| 301159 | CF216C. Hiring Staff | 0 | 0 | 0.000% |
| 301172 | CF219A. k-String | 0 | 0 | 0.000% |
| 301174 | CF219C. Color Stripe | 0 | 0 | 0.000% |
| 301193 | CF223B. Two Strings | 0 | 0 | 0.000% |
| 301200 | CF224D. Two Strings | 0 | 0 | 0.000% |
| 301208 | CF226B. Naughty Stone Piles | 0 | 0 | 0.000% |
| 301215 | CF227D. Naughty Stone Piles | 0 | 0 | 0.000% |
| 301257 | CF235C. Cyclical Quest | 0 | 0 | 0.000% |
| 301260 | CF236A. Boy or Girl | 0 | 0 | 0.000% |
| 301264 | CF236E. Cyclical Quest | 0 | 0 | 0.000% |
| 301269 | CF237E. Build String | 0 | 0 | 0.000% |
| 301286 | CF241A. Old Peykan | 0 | 0 | 0.000% |
| 301287 | CF241B. Friends | 0 | 0 | 0.000% |
| 301288 | CF241C. Mirror Box | 0 | 0 | 0.000% |
| 301289 | CF241D. Numbers | 0 | 0 | 0.000% |
| 301290 | CF241E. Flights | 0 | 0 | 0.000% |
| 301291 | CF241F. Race | 0 | 0 | 0.000% |
| 301292 | CF241G. Challenging Balloons | 0 | 0 | 0.000% |
| 301308 | CF245A. System Administrator | 0 | 0 | 0.000% |
| 301309 | CF245B. Internet Address | 0 | 0 | 0.000% |
| 301311 | CF245D. Restoring Table | 0 | 0 | 0.000% |
| 301313 | CF245F. Log Stream Analysis | 0 | 0 | 0.000% |
| 301314 | CF245G. Suggested Friends | 0 | 0 | 0.000% |
| 301315 | CF245H. Queries for Number of Palindromes | 0 | 0 | 0.000% |
| 301322 | CF247B. Restoring IPv6 | 0 | 0 | 0.000% |
| 301334 | CF249D. Donkey and Stars | 0 | 0 | 0.000% |
| 301337 | CF250B. Restoring IPv6 | 0 | 0 | 0.000% |
| 301358 | CF254C. Anagram | 0 | 0 | 0.000% |
| 301363 | CF255C. Almost Arithmetical Progression | 0 | 0 | 0.000% |
| 301366 | CF256A. Almost Arithmetical Progression | 0 | 0 | 0.000% |
| 301381 | CF259A. Little Elephant and Chess | 0 | 0 | 0.000% |
| 301383 | CF259C. Little Elephant and Bits | 0 | 0 | 0.000% |
| 301387 | CF260B. Ancient Prophesy | 0 | 0 | 0.000% |
| 301392 | CF261B. Maxim and Restaurant | 0 | 0 | 0.000% |
| 301399 | CF262D. Maxim and Restaurant | 0 | 0 | 0.000% |
| 301406 | CF264A. Escape from Stones | 0 | 0 | 0.000% |
| 301409 | CF264D. Colorful Stones | 0 | 0 | 0.000% |
| 301411 | CF265A. Colorful Stones (Simplified Edition) | 0 | 0 | 0.000% |
| 301413 | CF265C. Escape from Stones | 0 | 0 | 0.000% |
| 301416 | CF266A. Stones on the Table | 0 | 0 | 0.000% |
| 301421 | CF267A. Subtractions | 0 | 0 | 0.000% |
| 301422 | CF267B. Dominoes | 0 | 0 | 0.000% |
| 301423 | CF267C. Berland Traffic | 0 | 0 | 0.000% |
| 301428 | CF268E. Playlist | 0 | 0 | 0.000% |
| 301433 | CF269E. String Theory | 0 | 0 | 0.000% |
| 301442 | CF271D. Good Substrings | 0 | 0 | 0.000% |
| 301446 | CF272C. Dima and Staircase | 0 | 0 | 0.000% |
| 301449 | CF273A. Dima and Staircase | 0 | 0 | 0.000% |
| 301456 | CF274C. The Last Hole! | 0 | 0 | 0.000% |
| 301463 | CF275E. The Last Hole! | 0 | 0 | 0.000% |
| 301475 | CF278B. New Problem | 0 | 0 | 0.000% |
| 301489 | CF281A. Word Capitalization | 0 | 0 | 0.000% |
| 301490 | CF281B. Nearest Fraction | 0 | 0 | 0.000% |
| 301517 | CF286D. Tourists | 0 | 0 | 0.000% |
| 301519 | CF287A. IQ Test | 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% |
| 301534 | CF290A. Mysterious strings | 0 | 0 | 0.000% |
| 301535 | CF290B. QR code | 0 | 0 | 0.000% |
| 301536 | CF290C. WTF? | 0 | 0 | 0.000% |
| 301537 | CF290D. Orange | 0 | 0 | 0.000% |
| 301538 | CF290E. HQ | 0 | 0 | 0.000% |
| 301539 | CF290F. Greedy Petya | 0 | 0 | 0.000% |
| 301541 | CF291B. Command Line Arguments | 0 | 0 | 0.000% |
| 301544 | CF291E. Tree-String Problem | 0 | 0 | 0.000% |
| 301551 | CF293B. Distinct Paths | 0 | 0 | 0.000% |
| 301566 | CF296B. Yaroslav and Two Strings | 0 | 0 | 0.000% |
| 301574 | CF297E. Mystic Carvings | 0 | 0 | 0.000% |
| 301583 | CF299D. Distinct Paths | 0 | 0 | 0.000% |
| 301589 | CF300E. Empire Strikes Back | 0 | 0 | 0.000% |
| 301596 | CF302B. Eugeny and Play List | 0 | 0 | 0.000% |
| 301610 | CF305A. Strange Addition | 0 | 0 | 0.000% |
| 301614 | CF305E. Playing with String | 0 | 0 | 0.000% |