| 301141 | CF212E. IT Restaurants | 0 | 0 | 0.000% |
| 301147 | CF214A. System of Equations | 0 | 2 | 0.000% |
| 301173 | CF219B. Special Offer! Super Price 999 Bourles! | 0 | 0 | 0.000% |
| 301217 | CF228A. Is your horseshoe on the other hoof? | 0 | 0 | 0.000% |
| 301275 | CF239A. Two Bags of Potatoes | 0 | 0 | 0.000% |
| 301315 | CF245H. Queries for Number of Palindromes | 0 | 0 | 0.000% |
| 301403 | CF263C. Circle of Numbers | 0 | 0 | 0.000% |
| 301426 | CF268C. Beautiful Sets of Points | 0 | 0 | 0.000% |
| 301470 | CF277B. Set of Points | 0 | 0 | 0.000% |
| 301477 | CF278D. Set of Points | 0 | 0 | 0.000% |
| 301482 | CF279D. The Minimum Number of Variables | 0 | 0 | 0.000% |
| 301612 | CF305C. Ivan and Powers of Two | 0 | 0 | 0.000% |
| 301678 | CF318B. Strings of Power | 0 | 0 | 0.000% |
| 301760 | CF332D. Theft of Blueprints | 0 | 0 | 0.000% |
| 301765 | CF333D. Characteristics of Rectangles | 0 | 0 | 0.000% |
| 301786 | CF337D. Book of Evil | 0 | 0 | 0.000% |
| 301789 | CF338B. Book of Evil | 0 | 0 | 0.000% |
| 301885 | CF357A. Group of Students | 0 | 0 | 0.000% |
| 301898 | CF359D. Pair of Numbers | 0 | 0 | 0.000% |
| 301913 | CF362D. Fools and Foolproof Roads | 0 | 0 | 0.000% |
| 301937 | CF367C. Sereja and the Arrangement of Numbers | 0 | 0 | 0.000% |
| 301944 | CF368E. Sereja and the Arrangement of Numbers | 0 | 0 | 0.000% |
| 302069 | CF392B. Tower of Hanoi | 0 | 0 | 0.000% |
| 302076 | CF393D. Tower of Hanoi | 0 | 0 | 0.000% |
| 302083 | CF396A. On Number of Decompositions into Multipliers | 0 | 0 | 0.000% |
| 302084 | CF396B. On Sum of Fractions | 0 | 0 | 0.000% |
| 302086 | CF396D. On Sum of Number of Inversions in Permutations | 0 | 0 | 0.000% |
| 302087 | CF396E. On Iteration of One Well-Known Function | 0 | 0 | 0.000% |
| 302090 | CF397C. On Number of Decompositions into Multipliers | 0 | 0 | 0.000% |
| 302091 | CF397D. On Sum of Fractions | 0 | 0 | 0.000% |
| 302104 | CF400B. Inna and New Matrix of Candies | 0 | 0 | 0.000% |
| 302121 | CF403D. Beautiful Pairs of Numbers | 0 | 0 | 0.000% |
| 302254 | CF433E. Tachibana Kanade's Tofu | 0 | 0 | 0.000% |
| 302257 | CF434C. Tachibana Kanade's Tofu | 0 | 0 | 0.000% |
| 302283 | CF439C. Devu and Partitioning of the Array | 0 | 0 | 0.000% |
| 302342 | CF451C. Predict Outcome of the Game | 0 | 0 | 0.000% |
| 302354 | CF453D. Little Pony and Elements of Harmony | 0 | 0 | 0.000% |
| 302362 | CF455B. A Lot of Games | 0 | 0 | 0.000% |
| 302369 | CF456D. A Lot of Games | 0 | 0 | 0.000% |
| 302395 | CF461C. Appleman and a Sheet of Paper | 0 | 0 | 0.000% |
| 302402 | CF462E. Appleman and a Sheet of Paper | 0 | 0 | 0.000% |
| 302411 | CF464D. World of Darkraft - 2 | 0 | 0 | 0.000% |
| 302420 | CF466C. Number of Ways | 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% |
| 302519 | CF486E. LIS of Sequence | 0 | 0 | 0.000% |
| 302532 | CF489C. Given Length and Sum of Digits... | 0 | 0 | 0.000% |
| 302533 | CF489D. Unbearable Controversy of Being | 0 | 0 | 0.000% |
| 302624 | CF509C. Sums of Digits | 0 | 0 | 0.000% |
| 302694 | CF523D. Statistics of Recompressing Videos | 0 | 0 | 0.000% |
| 302697 | CF524C. The Art of Dealing with ATM | 0 | 0 | 0.000% |
| 302706 | CF526A. King of Thieves | 0 | 0 | 0.000% |
| 302723 | CF529A. And Yet Another Bracket Sequence | 0 | 0 | 0.000% |
| 302724 | CF529B. Group Photo 2 (online mirror version) | 0 | 0 | 0.000% |
| 302725 | CF529C. Rooks and Rectangles | 0 | 0 | 0.000% |
| 302726 | CF529D. Social Network | 0 | 0 | 0.000% |
| 302727 | CF529E. The Art of Dealing with ATM | 0 | 0 | 0.000% |
| 302752 | CF533A. Berland Miners | 0 | 0 | 0.000% |
| 302753 | CF533B. Work Group | 0 | 0 | 0.000% |
| 302754 | CF533C. Board Game | 0 | 0 | 0.000% |
| 302755 | CF533D. Landmarks | 0 | 0 | 0.000% |
| 302756 | CF533E. Correcting Mistakes | 0 | 0 | 0.000% |
| 302757 | CF533F. Encoding | 0 | 0 | 0.000% |
| 302780 | CF538F. A Heap of Heaps | 0 | 0 | 0.000% |
| 302794 | CF542A. Place Your Ad Here | 0 | 0 | 0.000% |
| 302795 | CF542B. Duck Hunt | 0 | 0 | 0.000% |
| 302796 | CF542C. Idempotent functions | 0 | 0 | 0.000% |
| 302797 | CF542D. Superhero's Job | 0 | 0 | 0.000% |
| 302798 | CF542E. Playing on Graph | 0 | 0 | 0.000% |
| 302799 | CF542F. Quest | 0 | 0 | 0.000% |
| 302805 | CF544A. Set of Strings | 0 | 0 | 0.000% |
| 302832 | CF549C. The Game Of Parity | 0 | 0 | 0.000% |
| 302863 | CF555A. Case of Matryoshkas | 0 | 0 | 0.000% |
| 302864 | CF555B. Case of Fugitive | 0 | 0 | 0.000% |
| 302865 | CF555C. Case of Chocolate | 0 | 0 | 0.000% |
| 302866 | CF555D. Case of a Top Secret | 0 | 0 | 0.000% |
| 302867 | CF555E. Case of Computer Network | 0 | 0 | 0.000% |
| 302868 | CF556A. Case of the Zeros and Ones | 0 | 0 | 0.000% |
| 302869 | CF556B. Case of Fake Numbers | 0 | 0 | 0.000% |
| 302870 | CF556C. Case of Matryoshkas | 0 | 0 | 0.000% |
| 302871 | CF556D. Case of Fugitive | 0 | 0 | 0.000% |
| 302872 | CF556E. Case of Chocolate | 0 | 0 | 0.000% |
| 302958 | CF576B. Invariance of Tree | 0 | 0 | 0.000% |
| 302965 | CF577D. Invariance of Tree | 0 | 0 | 0.000% |
| 302993 | CF582D. Number of Binominal Coefficients | 0 | 0 | 0.000% |
| 303010 | CF585F. Digits of Number Pi | 0 | 0 | 0.000% |
| 303081 | CF600D. Area of Two Circles' Intersection | 0 | 0 | 0.000% |
| 303083 | CF600F. Edge coloring of bipartite graph | 0 | 0 | 0.000% |
| 303086 | CF601C. Kleofáš and the n-thlon | 0 | 0 | 0.000% |
| 303093 | CF602E. Kleofáš and the n-thlon | 0 | 0 | 0.000% |
| 303096 | CF603C. Lieges of Legendre | 0 | 0 | 0.000% |
| 303103 | CF604E. Lieges of Legendre | 0 | 0 | 0.000% |
| 303146 | CF612D. The Union of k-Segments | 0 | 0 | 0.000% |
| 303147 | CF612E. Square Root of Permutation | 0 | 0 | 0.000% |
| 303168 | CF616E. Sum of Remainders | 0 | 0 | 0.000% |
| 303182 | CF620A. Professor GukiZ's Robot | 0 | 0 | 0.000% |
| 303185 | CF620D. Professor GukiZ and Two Arrays | 0 | 0 | 0.000% |
| 303198 | CF622F. The Sum of the k-th Powers | 0 | 0 | 0.000% |
| 303210 | CF625B. War of the Corporations | 0 | 0 | 0.000% |
| 303243 | CF630F. Selection of Personnel | 0 | 0 | 0.000% |