| 301849 | CF349E. Subset Sums | 0 | 0 | 0.000% |
| 301874 | CF354E. Lucky Number Representation | 0 | 0 | 0.000% |
| 301903 | CF360D. Levko and Sets | 0 | 0 | 0.000% |
| 301910 | CF362A. Two Semiknights Meet | 0 | 0 | 0.000% |
| 301911 | CF362B. Petya and Staircases | 0 | 0 | 0.000% |
| 301912 | CF362C. Insertion Sort | 0 | 0 | 0.000% |
| 301922 | CF364C. Beautiful Set | 0 | 0 | 0.000% |
| 301926 | CF365B. The Fibonacci Segment | 0 | 0 | 0.000% |
| 301929 | CF365E. Beautiful Set | 0 | 0 | 0.000% |
| 301935 | CF367A. Sereja and Algorithm | 0 | 0 | 0.000% |
| 301936 | CF367B. Sereja ans Anagrams | 0 | 0 | 0.000% |
| 301937 | CF367C. Sereja and the Arrangement of Numbers | 0 | 0 | 0.000% |
| 301938 | CF367D. Sereja and Sets | 0 | 0 | 0.000% |
| 301939 | CF367E. Sereja and Intervals | 0 | 0 | 0.000% |
| 301940 | CF368A. Sereja and Coat Rack | 0 | 0 | 0.000% |
| 301941 | CF368B. Sereja and Suffixes | 0 | 0 | 0.000% |
| 301942 | CF368C. Sereja and Algorithm | 0 | 0 | 0.000% |
| 301943 | CF368D. Sereja ans Anagrams | 0 | 0 | 0.000% |
| 301944 | CF368E. Sereja and the Arrangement of Numbers | 0 | 0 | 0.000% |
| 301956 | CF371B. Fox Dividing Cheese | 0 | 0 | 0.000% |
| 301958 | CF371D. Vessels | 0 | 0 | 0.000% |
| 301966 | CF373B. Making Sequences is Fun | 0 | 0 | 0.000% |
| 301973 | CF374D. Inna and Sequence | 0 | 0 | 0.000% |
| 301975 | CF375A. Divisible by Seven | 0 | 0 | 0.000% |
| 301982 | CF376C. Divisible by Seven | 0 | 0 | 0.000% |
| 301991 | CF378B. Semifinals | 0 | 0 | 0.000% |
| 301996 | CF379B. New Year Present | 0 | 0 | 0.000% |
| 302002 | CF380A. Sereja and Prefixes | 0 | 0 | 0.000% |
| 302003 | CF380B. Sereja and Tree | 0 | 0 | 0.000% |
| 302004 | CF380C. Sereja and Brackets | 0 | 0 | 0.000% |
| 302005 | CF380D. Sereja and Cinema | 0 | 0 | 0.000% |
| 302006 | CF380E. Sereja and Dividing | 0 | 0 | 0.000% |
| 302007 | CF381A. Sereja and Dima | 0 | 0 | 0.000% |
| 302008 | CF381B. Sereja and Stairs | 0 | 0 | 0.000% |
| 302009 | CF381C. Sereja and Prefixes | 0 | 0 | 0.000% |
| 302010 | CF381D. Sereja and Tree | 0 | 0 | 0.000% |
| 302011 | CF381E. Sereja and Brackets | 0 | 0 | 0.000% |
| 302012 | CF382A. Ksenia and Pan Scales | 0 | 0 | 0.000% |
| 302015 | CF382D. Ksenia and Pawns | 0 | 0 | 0.000% |
| 302016 | CF382E. Ksenia and Combinatorics | 0 | 0 | 0.000% |
| 302032 | CF386A. Second-Price Auction | 0 | 0 | 0.000% |
| 302034 | CF386C. Diverse Substrings | 0 | 0 | 0.000% |
| 302044 | CF388D. Fox and Perfect Sets | 0 | 0 | 0.000% |
| 302070 | CF392C. Yet Another Number Sequence | 0 | 0 | 0.000% |
| 302077 | CF393E. Yet Another Number Sequence | 0 | 0 | 0.000% |
| 302088 | CF397A. On Segment's Own Points | 0 | 0 | 0.000% |
| 302103 | CF400A. Inna and Choose Options | 0 | 0 | 0.000% |
| 302109 | CF401B. Sereja and Contests | 0 | 0 | 0.000% |
| 302115 | CF402C. Searching for Graph | 0 | 0 | 0.000% |
| 302118 | CF403A. Searching for Graph | 0 | 0 | 0.000% |
| 302142 | CF407E. k-d-sequence | 0 | 0 | 0.000% |
| 302164 | CF412E. E-mail Addresses | 0 | 0 | 0.000% |
| 302172 | CF414C. Mashmokh and Reverse Operation | 0 | 0 | 0.000% |
| 302179 | CF415E. Mashmokh and Reverse Operation | 0 | 0 | 0.000% |
| 302215 | CF425A. Sereja and Swaps | 0 | 0 | 0.000% |
| 302216 | CF425B. Sereja and Table | 0 | 0 | 0.000% |
| 302217 | CF425C. Sereja and Two Sequences | 0 | 0 | 0.000% |
| 302218 | CF425D. Sereja and Squares | 0 | 0 | 0.000% |
| 302219 | CF425E. Sereja and Sets | 0 | 0 | 0.000% |
| 302220 | CF426A. Sereja and Mugs | 0 | 0 | 0.000% |
| 302221 | CF426B. Sereja and Mirroring | 0 | 0 | 0.000% |
| 302222 | CF426C. Sereja and Swaps | 0 | 0 | 0.000% |
| 302223 | CF426D. Sereja and Table | 0 | 0 | 0.000% |
| 302224 | CF426E. Sereja and Two Sequences | 0 | 0 | 0.000% |
| 302234 | CF429E. Points and Segments | 0 | 0 | 0.000% |
| 302235 | CF430A. Points and Segments (easy) | 0 | 0 | 0.000% |
| 302272 | CF437B. The Child and Set | 0 | 0 | 0.000% |
| 302279 | CF438D. The Child and Sequence | 0 | 0 | 0.000% |
| 302288 | CF440C. One-Based Arithmetic | 0 | 0 | 0.000% |
| 302299 | CF442E. Gena and Second Distance | 0 | 0 | 0.000% |
| 302315 | CF446A. DZY Loves Sequences | 0 | 0 | 0.000% |
| 302322 | CF447C. DZY Loves Sequences | 0 | 0 | 0.000% |
| 302336 | CF450B. Jzzhu and Sequences | 0 | 0 | 0.000% |
| 302364 | CF455D. Serega and Fun | 0 | 0 | 0.000% |
| 302385 | CF459C. Pashmak and Buses | 0 | 0 | 0.000% |
| 302390 | CF460C. Present | 0 | 0 | 0.000% |
| 302391 | CF460D. Little Victor and Set | 0 | 0 | 0.000% |
| 302392 | CF460E. Roland and Rose | 0 | 0 | 0.000% |
| 302421 | CF466D. Increase Sequence | 0 | 0 | 0.000% |
| 302429 | CF468B. Two Sets | 0 | 0 | 0.000% |
| 302436 | CF469D. Two Sets | 0 | 0 | 0.000% |
| 302438 | CF470A. Crystal Ball Sequence | 0 | 0 | 0.000% |
| 302439 | CF470B. Hexakosioihexekontahexaphobia | 0 | 0 | 0.000% |
| 302440 | CF470C. Eval | 0 | 0 | 0.000% |
| 302441 | CF470D. Caesar Cipher | 0 | 0 | 0.000% |
| 302442 | CF470E. Chessboard | 0 | 0 | 0.000% |
| 302443 | CF470F. Pairwise Sums | 0 | 0 | 0.000% |
| 302444 | CF470G. Hamming Distance | 0 | 0 | 0.000% |
| 302445 | CF470H. Array Sorting | 0 | 0 | 0.000% |
| 302448 | CF471C. MUH and House of Cards | 0 | 0 | 0.000% |
| 302450 | CF471E. MUH and Lots and Lots of Segments | 0 | 0 | 0.000% |
| 302454 | CF472D. Design Tutorial: Inverse the Problem | 0 | 0 | 0.000% |
| 302457 | CF472G. Design Tutorial: Increase the Constraints | 0 | 0 | 0.000% |
| 302469 | CF475F. Meta-universe | 0 | 0 | 0.000% |
| 302473 | CF476D. Dreamoon and Sets | 0 | 0 | 0.000% |
| 302476 | CF477B. Dreamoon and Sets | 0 | 0 | 0.000% |
| 302495 | CF482A. Diverse Permutation | 0 | 0 | 0.000% |
| 302501 | CF483B. Friends and Presents | 0 | 0 | 0.000% |
| 302502 | CF483C. Diverse Permutation | 0 | 0 | 0.000% |
| 302518 | CF486D. Valid Sets | 0 | 0 | 0.000% |