| 1401 | Orchard Trees | 3 | 3 | 100.000% |
| 4063 | Beautiful Road | 0 | 4 | 0.000% |
| 4068 | Genetic engineering | 1 | 1 | 100.000% |
| 4072 | Petya and Tree | 1 | 2 | 50.000% |
| 4095 | Diverging Directions | 8 | 13 | 61.538% |
| 4103 | Roads in the Kingdom | 1 | 1 | 100.000% |
| 4110 | Red-Black Cobweb | 1 | 1 | 100.000% |
| 4115 | Misha, Grisha and Underground | 2 | 4 | 50.000% |
| 4121 | Singer House | 0 | 2 | 0.000% |
| 4131 | Best Edge Weight | 1 | 1 | 100.000% |
| 4134 | Tree Queries | 1 | 1 | 100.000% |
| 4147 | Okabe and Banana Trees | 4 | 4 | 100.000% |
| 4163 | MEX Queries | 1 | 1 | 100.000% |
| 4164 | Choosing The Commander | 6 | 11 | 54.545% |
| 4173 | Karen and Supermarket | 1 | 1 | 100.000% |
| 4185 | Sagheer and Apple Tree | 1 | 1 | 100.000% |
| 4186 | Sagheer and Kindergarten | 1 | 2 | 50.000% |
| 4198 | Surprise me! | 1 | 1 | 100.000% |
| 4226 | Send the Fool Further! (hard) | 1 | 1 | 100.000% |
| 4227 | 让傻瓜继续前进！(中等) | 6 | 9 | 66.667% |
| 4228 | 重要的信 | 14 | 28 | 50.000% |
| 4258 | 警察局 | 3 | 4 | 75.000% |
| 4259 | Bank Hacking | 2 | 2 | 100.000% |
| 4269 | Problem of offices | 1 | 1 | 100.000% |
| 4275 | Paths in a Complete Binary Tree | 2 | 3 | 66.667% |
| 4291 | Rap God | 1 | 1 | 100.000% |
| 4310 | Beavermuncher-0xFF海狸咀嚼器 | 4 | 4 | 100.000% |
| 4316 | Peterson Polyglot | 1 | 1 | 100.000% |
| 4350 | Bear and Tree Jumps熊和树跳跃 | 4 | 4 | 100.000% |
| 4359 | Gift | 1 | 2 | 50.000% |
| 4372 | Mahmoud and a xor trip | 0 | 2 | 0.000% |
| 4379 | Tree Folding | 0 | 1 | 0.000% |
| 4386 | 蒂莫菲和一棵树 | 6 | 8 | 75.000% |
| 4387 | 网格树 | 1 | 1 | 100.000% |
| 4400 | Big Maximum Sum | 2 | 2 | 100.000% |
| 4409 | Can Bash Save the Day? | 1 | 7 | 14.286% |
| 4424 | PolandBall and Forest | 18 | 32 | 56.250% |
| 4426 | Dasha and cyclic table | 1 | 1 | 100.000% |
| 4536 | Uniformly Branched Trees | 1 | 1 | 100.000% |
| 4564 | Andrew and Chemistry | 1 | 1 | 100.000% |
| 4576 | Digit Tree | 1 | 1 | 100.000% |
| 4605 | Centroids | 1 | 1 | 100.000% |
| 4613 | 瓦西里集合 | 1 | 1 | 100.000% |
| 4636 | Connecting Universities | 3 | 4 | 75.000% |
| 4637 | 博览会 | 5 | 13 | 38.462% |
| 4657 | Puzzles 拼图 | 2 | 5 | 40.000% |
| 4696 | Kay and Snowflake | 0 | 5 | 0.000% |
| 4699 | 阿洛纳和树 | 3 | 3 | 100.000% |
| 4703 | Gifts by the List | 3 | 3 | 100.000% |
| 4734 | Tree Construction | 1 | 1 | 100.000% |
| 4764 | Beautiful Subarrays | 1 | 1 | 100.000% |
| 4798 | Bear and Forgotten Tree 2 | 1 | 1 | 100.000% |
| 4804 | Pursuit For Artifacts | 1 | 1 | 100.000% |
| 4837 | Bear and Chemistry | 1 | 1 | 100.000% |
| 4840 | 熊和被遗忘的树3 | 8 | 12 | 66.667% |
| 4852 | Yash And Trees | 1 | 2 | 50.000% |
| 4853 | The Chocolate Spree | 1 | 1 | 100.000% |
| 4857 | Magic Matrix | 1 | 1 | 100.000% |
| 4885 | Famil Door and Roads | 0 | 7 | 0.000% |
| 4894 | Island Puzzle | 1 | 3 | 33.333% |
| 4914 | Ants in Leaves | 1 | 1 | 100.000% |
| 4922 | Xors on Segments | 1 | 1 | 100.000% |
| 4923 | New Year Tree | 1 | 1 | 100.000% |
| 4932 | Hamiltonian Spanning Tree | 1 | 1 | 100.000% |
| 4947 | 跑道 | 1 | 4 | 25.000% |
| 4952 | Kingdom and its Cities | 1 | 1 | 100.000% |
| 4977 | Minimum spanning tree for each edge | 1 | 1 | 100.000% |
| 4983 | Power Tree | 1 | 1 | 100.000% |
| 4992 | Pastoral Oddities | 1 | 1 | 100.000% |
| 5000 | Acyclic Organic Compounds | 1 | 1 | 100.000% |
| 5013 | Sandy and Nuts | 1 | 1 | 100.000% |
| 5027 | Wilbur and Trees | 0 | 2 | 0.000% |
| 5038 | Happy Tree Party | 1 | 2 | 50.000% |
| 5042 | Super M | 1 | 1 | 100.000% |
| 5051 | Trees | 3 | 4 | 75.000% |
| 5069 | Duff in the Army | 1 | 1 | 100.000% |
| 5087 | Zublicanes and Mumocrates | 1 | 1 | 100.000% |
| 5093 | Kefa and Watch | 9 | 28 | 32.143% |
| 5095 | Kefa and Park | 6 | 17 | 35.294% |
| 5104 | Mirror Box | 1 | 1 | 100.000% |
| 5118 | Bribes | 1 | 1 | 100.000% |
| 5130 | Campus | 1 | 1 | 100.000% |
| 5171 | Ann and Half-Palindrome | 0 | 0 | 0.000% |
| 5176 | Case of Computer Network | 0 | 0 | 0.000% |
| 5211 | Mike and Friends | 0 | 0 | 0.000% |
| 5226 | Road Improvement | 0 | 1 | 0.000% |
| 5236 | Infinite Inversions | 1 | 1 | 100.000% |
| 5246 | Demiurges Play Again | 1 | 1 | 100.000% |
| 5251 | Tavas on the Path | 1 | 1 | 100.000% |
| 5266 | Work Group | 0 | 0 | 0.000% |
| 5298 | Reposts | 0 | 0 | 0.000% |
| 5305 | Caterpillar | 1 | 1 | 100.000% |
| 5310 | A and B and Lecture Rooms | 0 | 0 | 0.000% |
| 5320 | Drazil and Morning Exercise | 0 | 0 | 0.000% |
| 5339 | Fox And Travelling | 1 | 1 | 100.000% |
| 5347 | Progress Monitoring | 1 | 1 | 100.000% |
| 5356 | 猜猜你的出路！ | 5 | 9 | 55.556% |
| 5365 | Misha and LCP on Tree | 1 | 1 | 100.000% |
| 5369 | Misha and Forest | 3 | 4 | 75.000% |
| 5371 | New Year Running | 1 | 1 | 100.000% |
| 5401 | Birthday | 1 | 1 | 100.000% |
| 5415 | Treeland Tour | 1 | 1 | 100.000% |
| 5420 | Galaxy Union | 1 | 3 | 33.333% |
| 5432 | Tourists | 1 | 2 | 50.000% |
| 5437 | Valid Sets | 1 | 1 | 100.000% |
| 5449 | Random Function and Tree | 1 | 1 | 100.000% |
| 5450 | Interesting Array | 1 | 1 | 100.000% |
| 5483 | Design Tutorial: Inverse the Problem | 4 | 4 | 100.000% |
| 5506 | Information Graph | 1 | 1 | 100.000% |
| 5516 | Caisa and Tree | 1 | 1 | 100.000% |
| 5525 | 苹果人和树 | 3 | 7 | 42.857% |
| 5539 | An easy problem about trees | 0 | 0 | 0.000% |
| 5590 | DZY Loves Planting | 1 | 1 | 100.000% |
| 5597 | Adam and Tree | 1 | 1 | 100.000% |
| 5628 | Furukawa Nagisa's Tree | 1 | 1 | 100.000% |
| 5645 | Baldman and the military | 1 | 1 | 100.000% |
| 5648 | Guess the Tree | 1 | 1 | 100.000% |
| 5650 | Xor-tree | 1 | 1 | 100.000% |
| 5677 | Big Problems for Organizers | 1 | 1 | 100.000% |
| 5727 | Two Rooted Trees | 1 | 3 | 33.333% |
| 5732 | Trees in a Row | 1 | 2 | 50.000% |
| 5779 | Three Trees | 1 | 1 | 100.000% |
| 5780 | Three Trees | 1 | 2 | 50.000% |
| 5984 | Divisor Tree | 0 | 0 | 0.000% |
| 6006 | Escaping on Beaveractor | 1 | 4 | 25.000% |
| 6055 | Balance | 1 | 1 | 100.000% |
| 6161 | Polo the Penguin and Trees | 0 | 0 | 0.000% |
| 6204 | Little Girl and Problem on Trees | 0 | 0 | 0.000% |
| 6240 | Roadside Trees (Simplified Edition) | 0 | 0 | 0.000% |
| 6242 | Roadside Trees | 0 | 0 | 0.000% |