| 301878 | CF355D. Game with Strings | 0 | 0 | 0.000% |
| 301884 | CF356E. Xenia and String Problem | 0 | 0 | 0.000% |
| 301891 | CF358B. Dima and Text Messages | 0 | 0 | 0.000% |
| 301902 | CF360C. Levko and Strings | 0 | 0 | 0.000% |
| 301909 | CF361E. Levko and Strings | 0 | 0 | 0.000% |
| 302028 | CF385B. Bear and Strings | 0 | 0 | 0.000% |
| 302034 | CF386C. Diverse Substrings | 0 | 0 | 0.000% |
| 302072 | CF392E. Deleting Substrings | 0 | 0 | 0.000% |
| 302162 | CF412C. Pattern | 0 | 0 | 0.000% |
| 302228 | CF427D. Match & Catch | 0 | 0 | 0.000% |
| 302248 | CF432D. Prefixes and Suffixes | 0 | 0 | 0.000% |
| 302301 | CF443B. Kolya and Tandem Repeat | 0 | 0 | 0.000% |
| 302308 | CF444D. DZY Loves Strings | 0 | 0 | 0.000% |
| 302321 | CF447B. DZY Loves Strings | 0 | 0 | 0.000% |
| 302326 | CF448B. Suffix Structures | 0 | 0 | 0.000% |
| 302343 | CF451D. Count Good Substrings | 0 | 0 | 0.000% |
| 302345 | CF452A. Eevee | 0 | 0 | 0.000% |
| 302349 | CF452E. Three strings | 0 | 0 | 0.000% |
| 302362 | CF455B. A Lot of Games | 0 | 0 | 0.000% |
| 302369 | CF456D. A Lot of Games | 0 | 0 | 0.000% |
| 302397 | CF461E. Appleman and a Game | 0 | 0 | 0.000% |
| 302408 | CF464A. No to Palindromes! | 0 | 0 | 0.000% |
| 302426 | CF467D. Fedor and Essay | 0 | 0 | 0.000% |
| 302449 | CF471D. MUH and Cube Walls | 0 | 0 | 0.000% |
| 302474 | CF476E. Dreamoon and Strings | 0 | 0 | 0.000% |
| 302477 | CF477C. Dreamoon and Strings | 0 | 0 | 0.000% |
| 302478 | CF477D. Dreamoon and Binary | 0 | 0 | 0.000% |
| 302497 | CF482C. Game with Strings | 0 | 0 | 0.000% |
| 302504 | CF483E. Game with Strings | 0 | 0 | 0.000% |
| 302538 | CF490C. Hacking Cypher | 0 | 0 | 0.000% |
| 302556 | CF494B. Obsessive String | 0 | 0 | 0.000% |
| 302563 | CF495D. Obsessive String | 0 | 0 | 0.000% |
| 302581 | CF499B. Lecture | 0 | 0 | 0.000% |
| 302593 | CF501B. Misha and Changing Handles | 0 | 0 | 0.000% |
| 302602 | CF505A. Mr. Kitayuta's Gift | 0 | 0 | 0.000% |
| 302611 | CF506E. Mr. Kitayuta's Gift | 0 | 0 | 0.000% |
| 302618 | CF508B. Anton and currency you all know | 0 | 0 | 0.000% |
| 302626 | CF509E. Pretty Song | 0 | 0 | 0.000% |
| 302653 | CF514C. Watto and Mechanism | 0 | 0 | 0.000% |
| 302666 | CF518A. Vitaly and Strings | 0 | 0 | 0.000% |
| 302667 | CF518B. Tanya and Postcard | 0 | 0 | 0.000% |
| 302675 | CF519D. A and B and Interesting Substrings | 0 | 0 | 0.000% |
| 302677 | CF520A. Pangram | 0 | 0 | 0.000% |
| 302679 | CF520C. DNA Alignment | 0 | 0 | 0.000% |
| 302700 | CF524F. And Yet Another Bracket Sequence | 0 | 0 | 0.000% |
| 302701 | CF525A. Vitaliy and Pie | 0 | 0 | 0.000% |
| 302702 | CF525B. Pasha and String | 0 | 0 | 0.000% |
| 302709 | CF526D. Om Nom and Necklace | 0 | 0 | 0.000% |
| 302723 | CF529A. And Yet Another Bracket Sequence | 0 | 0 | 0.000% |
| 302729 | CF530B. String inside out | 0 | 0 | 0.000% |
| 302738 | CF531B. String inside out | 0 | 0 | 0.000% |
| 302753 | CF533B. Work Group | 0 | 0 | 0.000% |
| 302756 | CF533E. Correcting Mistakes | 0 | 0 | 0.000% |
| 302757 | CF533F. Encoding | 0 | 0 | 0.000% |
| 302767 | CF535D. Tavas and Malekas | 0 | 0 | 0.000% |
| 302770 | CF536B. Tavas and Malekas | 0 | 0 | 0.000% |
| 302802 | CF543C. Remembering Strings | 0 | 0 | 0.000% |
| 302805 | CF544A. Set of Strings | 0 | 0 | 0.000% |
| 302809 | CF544E. Remembering Strings | 0 | 0 | 0.000% |
| 302811 | CF545B. Equidistant String | 0 | 0 | 0.000% |
| 302824 | CF547E. Mike and Friends | 0 | 0 | 0.000% |
| 302825 | CF548A. Mike and Fax | 0 | 0 | 0.000% |
| 302830 | CF549A. Face Detection | 0 | 0 | 0.000% |
| 302838 | CF550A. Two Substrings | 0 | 0 | 0.000% |
| 302844 | CF551B. ZgukistringZ | 0 | 0 | 0.000% |
| 302852 | CF552E. Vanya and Brackets | 0 | 1 | 0.000% |
| 302858 | CF554A. Kyoya and Photobooks | 0 | 0 | 0.000% |
| 302859 | CF554B. Ohana Cleans Up | 0 | 0 | 0.000% |
| 302877 | CF557E. Ann and Half-Palindrome | 0 | 0 | 0.000% |
| 302882 | CF558E. A Simple Task | 0 | 0 | 0.000% |
| 302884 | CF559B. Equivalent Strings | 0 | 0 | 0.000% |
| 302891 | CF560D. Equivalent Strings | 0 | 0 | 0.000% |
| 302900 | CF566A. Matching Names | 0 | 0 | 0.000% |
| 302983 | CF580E. Kefa and Watch | 0 | 0 | 0.000% |
| 303002 | CF584C. Marina and Vasya | 0 | 0 | 0.000% |
| 303010 | CF585F. Digits of Number Pi | 0 | 0 | 0.000% |
| 303022 | CF587F. Duff is Mad | 0 | 0 | 0.000% |
| 303033 | CF590E. Birthday | 0 | 0 | 0.000% |
| 303035 | CF591B. Rebranding | 0 | 0 | 0.000% |
| 303053 | CF594E. Cutting the Line | 0 | 0 | 0.000% |
| 303063 | CF596E. Wilbur and Strings | 0 | 0 | 0.000% |
| 303068 | CF598B. Queries on a String | 0 | 1 | 0.000% |
| 303078 | CF600A. Extract Numbers | 0 | 0 | 0.000% |
| 303080 | CF600C. Make Palindrome | 0 | 0 | 0.000% |
| 303087 | CF601D. Acyclic Organic Compounds | 0 | 0 | 0.000% |
| 303116 | CF607C. Marbles | 0 | 0 | 0.000% |
| 303120 | CF608B. Hamming Distance Sum | 0 | 0 | 0.000% |
| 303123 | CF608E. Marbles | 0 | 0 | 0.000% |
| 303134 | CF610E. Alphabet Permutations | 0 | 0 | 0.000% |
| 303138 | CF611D. New Year and Ancient Prophecy | 0 | 0 | 0.000% |
| 303143 | CF612A. The Text Splitting | 0 | 0 | 0.000% |
| 303153 | CF613E. Puzzle Lover | 0 | 0 | 0.000% |
| 303161 | CF615C. Running Track | 0 | 0 | 0.000% |
| 303164 | CF616A. Comparing Two Long Integers | 0 | 0 | 0.000% |
| 303169 | CF616F. Expensive Strings | 0 | 0 | 0.000% |
| 303187 | CF620F. Xors on Segments | 0 | 0 | 0.000% |
| 303199 | CF623A. Graph and String | 0 | 0 | 0.000% |
| 303205 | CF624B. Making a String | 0 | 0 | 0.000% |
| 303206 | CF624C. Graph and String | 0 | 0 | 0.000% |
| 303210 | CF625B. War of the Corporations | 0 | 0 | 0.000% |