| 300004 | CF2A. Winner | 0 | 0 | 0.000% |
| 300013 | CF4C. Registration system | 0 | 0 | 0.000% |
| 300028 | CF7D. Palindrome Degree | 0 | 0 | 0.000% |
| 300087 | CF19C. Deletion of Repeats | 0 | 0 | 0.000% |
| 300116 | CF25E. Test | 0 | 0 | 0.000% |
| 300130 | CF28D. Don't fear, DravDe is kind | 0 | 0 | 0.000% |
| 300141 | CF30E. Tricky and Clever Password | 0 | 0 | 0.000% |
| 300194 | CF39J. Spelling Check | 0 | 0 | 0.000% |
| 300281 | CF54B. Cutting Jigsaw Puzzle | 0 | 0 | 0.000% |
| 300342 | CF65D. Harry Potter and the Sorting Hat | 0 | 0 | 0.000% |
| 300417 | CF79C. Beaver | 0 | 0 | 0.000% |
| 300431 | CF82B. Sets | 0 | 0 | 0.000% |
| 300591 | CF113B. Petr# | 0 | 0 | 0.000% |
| 300598 | CF114D. Petr# | 0 | 0 | 0.000% |
| 300623 | CF119D. String Transformation | 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% |
| 300807 | CF154C. Double Profiles | 0 | 0 | 0.000% |
| 300814 | CF155E. Double Profiles | 0 | 0 | 0.000% |
| 300971 | CF182D. Common Divisors | 0 | 0 | 0.000% |
| 301010 | CF190E. Counter Attack | 0 | 0 | 0.000% |
| 301039 | CF196D. The Next Good String | 0 | 0 | 0.000% |
| 301044 | CF197D. Infinite Maze | 0 | 0 | 0.000% |
| 301138 | CF212B. Polycarpus is Looking for Good Substrings | 0 | 0 | 0.000% |
| 301146 | CF213E. Two Permutations | 0 | 0 | 0.000% |
| 301219 | CF228C. Fractal Detector | 0 | 0 | 0.000% |
| 301295 | CF242C. King's Path | 0 | 0 | 0.000% |
| 301315 | CF245H. Queries for Number of Palindromes | 0 | 0 | 0.000% |
| 301544 | CF291E. Tree-String Problem | 0 | 0 | 0.000% |
| 301669 | CF316G1. Good Substrings | 0 | 0 | 0.000% |
| 301685 | CF319D. Have You Ever Heard About the Word? | 0 | 0 | 0.000% |
| 301853 | CF350D. Looking for Owls | 0 | 0 | 0.000% |
| 301884 | CF356E. Xenia and String Problem | 0 | 0 | 0.000% |
| 302141 | CF407D. Largest Submatrix 3 | 0 | 0 | 0.000% |
| 302218 | CF425D. Sereja and Squares | 0 | 0 | 0.000% |
| 302308 | CF444D. DZY Loves Strings | 0 | 0 | 0.000% |
| 302350 | CF452F. Permutation | 0 | 0 | 0.000% |
| 302405 | CF463C. Gargari and Bishops | 0 | 0 | 0.000% |
| 302426 | CF467D. Fedor and Essay | 0 | 0 | 0.000% |
| 302491 | CF480B. Long Jumps | 0 | 0 | 0.000% |
| 302516 | CF486B. OR in Matrix | 0 | 0 | 0.000% |
| 302519 | CF486E. LIS of Sequence | 0 | 0 | 0.000% |
| 302601 | CF504E. Misha and LCP on Tree | 0 | 0 | 0.000% |
| 302653 | CF514C. Watto and Mechanism | 0 | 0 | 0.000% |
| 302700 | CF524F. And Yet Another Bracket Sequence | 0 | 0 | 0.000% |
| 302701 | CF525A. Vitaliy and Pie | 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% |
| 302756 | CF533E. Correcting Mistakes | 0 | 0 | 0.000% |
| 302757 | CF533F. Encoding | 0 | 0 | 0.000% |
| 302762 | CF534E. Berland Local Positioning System | 0 | 0 | 0.000% |
| 302763 | CF534F. Simplified Nonogram | 0 | 0 | 0.000% |
| 302767 | CF535D. Tavas and Malekas | 0 | 0 | 0.000% |
| 302770 | CF536B. Tavas and Malekas | 0 | 0 | 0.000% |
| 302797 | CF542D. Superhero's Job | 0 | 0 | 0.000% |
| 302884 | CF559B. Equivalent Strings | 0 | 0 | 0.000% |
| 302891 | CF560D. Equivalent Strings | 0 | 0 | 0.000% |
| 302911 | CF567E. President and Roads | 0 | 0 | 0.000% |
| 302944 | CF574B. Bear and Three Musketeers | 0 | 0 | 0.000% |
| 302983 | CF580E. Kefa and Watch | 0 | 0 | 0.000% |
| 303087 | CF601D. Acyclic Organic Compounds | 0 | 0 | 0.000% |
| 303116 | CF607C. Marbles | 0 | 0 | 0.000% |
| 303138 | CF611D. New Year and Ancient Prophecy | 0 | 0 | 0.000% |
| 303153 | CF613E. Puzzle Lover | 0 | 0 | 0.000% |
| 303259 | CF631D. Messenger | 0 | 0 | 0.000% |
| 303269 | CF633C. Spy Syndrome 2 | 0 | 0 | 0.000% |
| 303270 | CF633D. Fibonacci-ish | 0 | 0 | 0.000% |
| 303298 | CF639C. Bear and Polynomials | 0 | 0 | 0.000% |
| 303352 | CF650D. Zip-line | 0 | 0 | 0.000% |
| 303581 | CF690F2. Tree of Life (medium) | 0 | 0 | 0.000% |
| 303677 | CF710F. String Set Queries | 0 | 0 | 0.000% |
| 303719 | CF718D. Andrew and Chemistry | 0 | 0 | 0.000% |
| 303750 | CF724C. Ray Tracing | 0 | 0 | 0.000% |
| 303766 | CF727E. Games on a CD | 0 | 0 | 0.000% |
| 303801 | CF733D. Kostya the Sculptor | 0 | 0 | 0.000% |
| 303930 | CF757C. Felicity is Coming! | 0 | 0 | 0.000% |
| 303961 | CF762C. Two strings | 0 | 0 | 0.000% |
| 303968 | CF763D. Timofey and a flat tree | 0 | 0 | 0.000% |
| 304051 | CF778C. Peterson Polyglot | 0 | 0 | 0.000% |
| 304095 | CF786D. Rap God | 0 | 0 | 0.000% |
| 304138 | CF794D. Labelling Cities | 0 | 0 | 0.000% |
| 304314 | CF822E. Liar | 0 | 0 | 0.000% |
| 304328 | CF825F. String Compression | 0 | 0 | 0.000% |
| 304371 | CF835D. Palindromic characteristics | 0 | 0 | 0.000% |
| 304510 | CF860B. Polycarp's phone book | 0 | 0 | 0.000% |
| 304570 | CF869E. The Untended Antiquity | 0 | 0 | 0.000% |
| 304610 | CF877F. Ann and Books | 0 | 0 | 0.000% |
| 304711 | CF898F. Restoring the Expression | 0 | 0 | 0.000% |
| 304723 | CF901A. Hashing Trees | 0 | 0 | 0.000% |
| 304730 | CF902C. Hashing Trees | 0 | 0 | 0.000% |
| 304737 | CF903E. Swapping Characters | 0 | 0 | 0.000% |
| 305045 | CF958A2. Death Stars (medium) | 0 | 0 | 0.000% |
| 305079 | CF961F. k-substrings | 0 | 0 | 0.000% |
| 305091 | CF963D. Frequency of String | 0 | 0 | 0.000% |
| 305179 | CF985F. Isomorphic Strings | 0 | 0 | 0.000% |
| 305298 | CF1003F. Abbreviation | 0 | 0 | 0.000% |
| 305378 | CF1017E. The Supersonic Rocket | 0 | 0 | 0.000% |
| 305508 | CF1043G. Speckled Band | 0 | 0 | 0.000% |
| 305516 | CF1045B. Space Isaac | 0 | 0 | 0.000% |