| 300456 | CF87B. Vasya and Types | 0 | 0 | 0.000% |
| 300471 | CF90B. African Crossword | 0 | 0 | 0.000% |
| 300475 | CF91A. Newspaper Headline | 0 | 0 | 0.000% |
| 300490 | CF94A. Restoring Password | 0 | 0 | 0.000% |
| 300495 | CF95A. Hockey | 0 | 0 | 0.000% |
| 300500 | CF96A. Football | 0 | 0 | 0.000% |
| 300502 | CF96C. Hockey | 0 | 0 | 0.000% |
| 300515 | CF99A. Help Far Away Kingdom | 0 | 0 | 0.000% |
| 300523 | CF100D. World of Mouth | 0 | 0 | 0.000% |
| 300565 | CF108A. Palindromic Times | 0 | 0 | 0.000% |
| 300576 | CF110B. Lucky String | 0 | 0 | 0.000% |
| 300585 | CF112A. Petya and Strings | 0 | 0 | 0.000% |
| 300590 | CF113A. Grammar Lessons | 0 | 0 | 0.000% |
| 300591 | CF113B. Petr# | 0 | 0 | 0.000% |
| 300598 | CF114D. Petr# | 0 | 0 | 0.000% |
| 300615 | CF118A. String Task | 0 | 0 | 0.000% |
| 300617 | CF118C. Fancy Number | 0 | 0 | 0.000% |
| 300623 | CF119D. String Transformation | 0 | 0 | 0.000% |
| 300636 | CF121B. Lucky Transformation | 0 | 0 | 0.000% |
| 300641 | CF122B. Lucky Substring | 0 | 0 | 0.000% |
| 300645 | CF123A. Prime Permutation | 0 | 0 | 0.000% |
| 300648 | CF123D. String | 0 | 0 | 0.000% |
| 300652 | CF124C. Prime Permutation | 0 | 0 | 0.000% |
| 300661 | CF126B. Password | 0 | 0 | 0.000% |
| 300668 | CF127D. Password | 0 | 0 | 0.000% |
| 300671 | CF128B. String | 0 | 0 | 0.000% |
| 300678 | CF129D. String | 0 | 0 | 0.000% |
| 300681 | CF130B. Gnikool Ssalg | 0 | 0 | 0.000% |
| 300690 | CF131A. cAPS lOCK | 0 | 0 | 0.000% |
| 300725 | CF137D. Palindromes | 0 | 0 | 0.000% |
| 300726 | CF137E. Last Chance | 0 | 0 | 0.000% |
| 300734 | CF139C. Literature Lesson | 0 | 0 | 0.000% |
| 300743 | CF141A. Amusing Joke | 0 | 0 | 0.000% |
| 300754 | CF143B. Help Kingdom of Far Far Away 2 | 0 | 0 | 0.000% |
| 300760 | CF144C. Anagram Search | 0 | 0 | 0.000% |
| 300773 | CF147A. Punctuation | 0 | 0 | 0.000% |
| 300784 | CF149E. Martian Strings | 0 | 0 | 0.000% |
| 300786 | CF150B. Quantity of Strings | 0 | 0 | 0.000% |
| 300788 | CF150D. Mission Impassable | 0 | 0 | 0.000% |
| 300791 | CF151B. Phone Numbers | 0 | 0 | 0.000% |
| 300793 | CF151D. Quantity of Strings | 0 | 0 | 0.000% |
| 300822 | CF157C. Message | 0 | 0 | 0.000% |
| 300832 | CF159C. String Manipulation 1.0 | 0 | 0 | 0.000% |
| 300833 | CF159D. Palindrome pairs | 0 | 0 | 0.000% |
| 300855 | CF163A. Substring and Subsequence | 0 | 0 | 0.000% |
| 300859 | CF163E. e-Government | 0 | 0 | 0.000% |
| 300867 | CF165C. Another Problem on Strings | 0 | 0 | 0.000% |
| 300881 | CF168B. Wizards and Minimal Spell | 0 | 0 | 0.000% |
| 300887 | CF169C. Substring and Subsequence | 0 | 0 | 0.000% |
| 300923 | CF176D. Hyper String | 0 | 0 | 0.000% |
| 300937 | CF177G1. Fibonacci Strings | 0 | 0 | 0.000% |
| 300938 | CF177G2. Fibonacci Strings | 0 | 0 | 0.000% |
| 300955 | CF178F2. Representative Sampling | 0 | 0 | 0.000% |
| 300960 | CF180D. Name | 0 | 0 | 0.000% |
| 300971 | CF182D. Common Divisors | 0 | 0 | 0.000% |
| 300983 | CF186A. Comparing Strings | 0 | 0 | 0.000% |
| 301028 | CF194C. Cutting Figure | 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% |
| 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% |
| 301133 | CF211B. Polycarpus is Looking for Good Substrings | 0 | 0 | 0.000% |
| 301138 | CF212B. Polycarpus is Looking for Good Substrings | 0 | 0 | 0.000% |
| 301146 | CF213E. Two Permutations | 0 | 0 | 0.000% |
| 301172 | CF219A. k-String | 0 | 0 | 0.000% |
| 301193 | CF223B. Two Strings | 0 | 0 | 0.000% |
| 301200 | CF224D. Two Strings | 0 | 0 | 0.000% |
| 301257 | CF235C. Cyclical Quest | 0 | 0 | 0.000% |
| 301260 | CF236A. Boy or Girl | 0 | 0 | 0.000% |
| 301269 | CF237E. Build String | 0 | 0 | 0.000% |
| 301309 | CF245B. Internet Address | 0 | 0 | 0.000% |
| 301313 | CF245F. Log Stream Analysis | 0 | 0 | 0.000% |
| 301315 | CF245H. Queries for Number of Palindromes | 0 | 0 | 0.000% |
| 301337 | CF250B. Restoring IPv6 | 0 | 0 | 0.000% |
| 301358 | CF254C. Anagram | 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% |
| 301433 | CF269E. String Theory | 0 | 0 | 0.000% |
| 301442 | CF271D. Good Substrings | 0 | 0 | 0.000% |
| 301475 | CF278B. New Problem | 0 | 0 | 0.000% |
| 301489 | CF281A. Word Capitalization | 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% |
| 301541 | CF291B. Command Line Arguments | 0 | 0 | 0.000% |
| 301544 | CF291E. Tree-String Problem | 0 | 0 | 0.000% |
| 301566 | CF296B. Yaroslav and Two Strings | 0 | 0 | 0.000% |
| 301614 | CF305E. Playing with String | 0 | 0 | 0.000% |
| 301634 | CF312A. Whose sentence is it? | 0 | 0 | 0.000% |
| 301645 | CF314B. Sereja and Periods | 0 | 0 | 0.000% |
| 301652 | CF315D. Sereja and Periods | 0 | 0 | 0.000% |
| 301669 | CF316G1. Good Substrings | 0 | 0 | 0.000% |
| 301670 | CF316G2. Good Substrings | 0 | 0 | 0.000% |
| 301671 | CF316G3. Good Substrings | 0 | 0 | 0.000% |
| 301678 | CF318B. Strings of Power | 0 | 0 | 0.000% |
| 301685 | CF319D. Have You Ever Heard About the Word? | 0 | 0 | 0.000% |