| 301790 | CF338C. Divisor Tree | 0 | 0 | 0.000% |
| 301796 | CF339D. Xenia and Bit Operations | 0 | 0 | 0.000% |
| 301812 | CF342E. Xenia and Tree | 0 | 0 | 0.000% |
| 301816 | CF343D. Water Tree | 0 | 0 | 0.000% |
| 301817 | CF343E. Pumping Stations | 0 | 0 | 0.000% |
| 301841 | CF348B. Apple Tree | 0 | 0 | 0.000% |
| 301844 | CF348E. Pilgrims | 0 | 0 | 0.000% |
| 301848 | CF349D. Apple Tree | 0 | 0 | 0.000% |
| 301947 | CF369C. Valera and Elections | 0 | 0 | 0.000% |
| 301958 | CF371D. Vessels | 0 | 0 | 0.000% |
| 301963 | CF372D. Choosing Subtree is Fun | 0 | 0 | 0.000% |
| 301973 | CF374D. Inna and Sequence | 0 | 0 | 0.000% |
| 301977 | CF375C. Circling Round Treasures | 0 | 0 | 0.000% |
| 301978 | CF375D. Tree and Queries | 0 | 0 | 0.000% |
| 301979 | CF375E. Red and Black Tree | 0 | 0 | 0.000% |
| 301984 | CF376E. Circling Round Treasures | 0 | 0 | 0.000% |
| 301999 | CF379E. New Year Tree Decorations | 0 | 0 | 0.000% |
| 302000 | CF379F. New Year Tree | 0 | 0 | 0.000% |
| 302003 | CF380B. Sereja and Tree | 0 | 0 | 0.000% |
| 302010 | CF381D. Sereja and Tree | 0 | 0 | 0.000% |
| 302015 | CF382D. Ksenia and Pawns | 0 | 0 | 0.000% |
| 302019 | CF383C. Propagating tree | 0 | 0 | 0.000% |
| 302026 | CF384E. Propagating tree | 0 | 0 | 0.000% |
| 302063 | CF391E1. Three Trees | 0 | 0 | 0.000% |
| 302064 | CF391E2. Three Trees | 0 | 0 | 0.000% |
| 302085 | CF396C. On Changing Tree | 0 | 0 | 0.000% |
| 302092 | CF397E. On Changing Tree | 0 | 0 | 0.000% |
| 302095 | CF398C. Tree and Array | 0 | 0 | 0.000% |
| 302102 | CF399E. Tree and Array | 0 | 0 | 0.000% |
| 302114 | CF402B. Trees in a Row | 0 | 2 | 0.000% |
| 302122 | CF403E. Two Rooted Trees | 0 | 0 | 0.000% |
| 302136 | CF406D. Hill Climbing | 0 | 0 | 0.000% |
| 302173 | CF414D. Mashmokh and Water Tanks | 0 | 0 | 0.000% |
| 302193 | CF418D. Big Problems for Organizers | 0 | 0 | 0.000% |
| 302230 | CF429A. Xor-tree | 0 | 0 | 0.000% |
| 302232 | CF429C. Guess the Tree | 0 | 0 | 0.000% |
| 302237 | CF430C. Xor-tree | 0 | 0 | 0.000% |
| 302239 | CF430E. Guess the Tree | 0 | 0 | 0.000% |
| 302242 | CF431C. k-Tree | 0 | 0 | 0.000% |
| 302259 | CF434E. Furukawa Nagisa's Tree | 0 | 0 | 0.000% |
| 302267 | CF436C. Dungeons and Candies | 0 | 0 | 0.000% |
| 302280 | CF438E. The Child and Binary Tree | 0 | 0 | 0.000% |
| 302289 | CF440D. Berland Federalization | 0 | 0 | 0.000% |
| 302298 | CF442D. Adam and Tree | 0 | 0 | 0.000% |
| 302309 | CF444E. DZY Loves Planting | 0 | 0 | 0.000% |
| 302346 | CF452B. 4-point polyline | 0 | 0 | 0.000% |
| 302362 | CF455B. A Lot of Games | 0 | 0 | 0.000% |
| 302363 | CF455C. Civilization | 0 | 0 | 0.000% |
| 302370 | CF456E. Civilization | 0 | 0 | 0.000% |
| 302376 | CF457F. An easy problem about trees | 0 | 0 | 0.000% |
| 302382 | CF458F. An easy problem about trees | 0 | 0 | 0.000% |
| 302394 | CF461B. Appleman and Tree | 0 | 0 | 0.000% |
| 302401 | CF462D. Appleman and Tree | 0 | 0 | 0.000% |
| 302407 | CF463E. Caisa and Tree | 0 | 0 | 0.000% |
| 302422 | CF466E. Information Graph | 0 | 0 | 0.000% |
| 302431 | CF468D. Tree | 0 | 0 | 0.000% |
| 302454 | CF472D. Design Tutorial: Inverse the Problem | 0 | 0 | 0.000% |
| 302462 | CF474E. Pillars | 0 | 0 | 0.000% |
| 302496 | CF482B. Interesting Array | 0 | 0 | 0.000% |
| 302498 | CF482D. Random Function and Tree | 0 | 0 | 0.000% |
| 302499 | CF482E. ELCA | 0 | 0 | 0.000% |
| 302518 | CF486D. Valid Sets | 0 | 0 | 0.000% |
| 302524 | CF487E. Tourists | 0 | 0 | 0.000% |
| 302541 | CF490F. Treeland Tour | 0 | 0 | 0.000% |
| 302555 | CF494A. Treasure | 0 | 4 | 0.000% |
| 302558 | CF494D. Birthday | 0 | 0 | 0.000% |
| 302562 | CF495C. Treasure | 0 | 0 | 0.000% |
| 302588 | CF500D. New Year Santa Network | 0 | 0 | 0.000% |
| 302591 | CF500G. New Year Running | 0 | 0 | 0.000% |
| 302594 | CF501C. Misha and Forest | 0 | 0 | 0.000% |
| 302601 | CF504E. Misha and LCP on Tree | 0 | 0 | 0.000% |
| 302604 | CF505C. Mr. Kitayuta, the Treasure Hunter | 0 | 0 | 0.000% |
| 302607 | CF506A. Mr. Kitayuta, the Treasure Hunter | 0 | 0 | 0.000% |
| 302614 | CF507C. Guess Your Way Out! | 0 | 0 | 0.000% |
| 302627 | CF509F. Progress Monitoring | 0 | 0 | 0.000% |
| 302636 | CF512D. Fox And Travelling | 0 | 0 | 0.000% |
| 302642 | CF513D1. Constrained Tree | 0 | 0 | 0.000% |
| 302643 | CF513D2. Constrained Tree | 0 | 0 | 0.000% |
| 302655 | CF514E. Darth Vader and Tree | 0 | 0 | 0.000% |
| 302664 | CF516D. Drazil and Morning Exercise | 0 | 0 | 0.000% |
| 302676 | CF519E. A and B and Lecture Rooms | 0 | 0 | 0.000% |
| 302687 | CF522A. Reposts | 0 | 0 | 0.000% |
| 302712 | CF526G. Spiders Evil Plan | 0 | 0 | 0.000% |
| 302752 | CF533A. Berland Miners | 0 | 0 | 0.000% |
| 302753 | CF533B. Work Group | 0 | 0 | 0.000% |
| 302773 | CF536E. Tavas on the Path | 0 | 0 | 0.000% |
| 302779 | CF538E. Demiurges Play Again | 0 | 0 | 0.000% |
| 302787 | CF540E. Infinite Inversions | 0 | 0 | 0.000% |
| 302803 | CF543D. Road Improvement | 0 | 0 | 0.000% |
| 302814 | CF545E. Paths and Trees | 0 | 0 | 0.000% |
| 302824 | CF547E. Mike and Friends | 0 | 0 | 0.000% |
| 302867 | CF555E. Case of Computer Network | 0 | 0 | 0.000% |
| 302877 | CF557E. Ann and Half-Palindrome | 0 | 0 | 0.000% |
| 302878 | CF558A. Lala Land and Apple Trees | 0 | 0 | 0.000% |
| 302900 | CF566A. Matching Names | 0 | 0 | 0.000% |
| 302902 | CF566C. Logistical Questions | 0 | 0 | 0.000% |
| 302904 | CF566E. Restoring Map | 0 | 0 | 0.000% |
| 302926 | CF570D. Tree Requests | 0 | 0 | 0.000% |
| 302931 | CF571D. Campus | 0 | 0 | 0.000% |
| 302940 | CF573C. Bear and Drawing | 0 | 0 | 0.000% |