看這篇題解
首先要回憶一下握手定理，所以奇數度點一定有偶數個；其次回憶一下樹的必要條件，每個點的度數都大於一的話肯定不是樹；然後再嘗試構造，從特殊圖，樣例等等出發
Circular Spanning Tree
相關文章
- Spanning-tree的portfast介面會傳送bpdu嗎AST
- 妙用ConstraintLayout的Circular positioningAI
- Circular Reference with Mongo Appender can Crash Your ProcessGoAPP
- Error:Cannot build artifact xxx:war exploded‘ because it is included into a circular dependencyErrorUI
- spring 迴圈注入：is there an unresolvable circular reference的解決方案Spring
- Linux平臺Qt creator報錯：Circular all <- first dependency droppedLinuxQT
- 01 Tree
- 【MySQL（1）| B-tree和B+tree】MySql
- 多路查詢樹:B-tree/b+tree
- layui Tree修改UI
- Tree Compass
- B+tree
- B-tree
- Codeforces 461B Appleman and Tree：Tree dpAPP
- Causal Inference理論學習篇-Tree Based-Causal Tree
- Trie tree實踐
- fuelux.tree用法UX
- Utopian Tree in JavaJava
- tree的tip：WHEN-TREE-NODE-SELECTED兩次啟用
- odoo form view套treeOdooORMView
- 資料結構-Tree資料結構
- Mac OS install treeMac
- Leetcode Same TreeLeetCode
- Leetcode Symmetric TreeLeetCode
- B-tree and Bitmap IndexIndex
- DHTML Tree 使用例項HTML
- A Simple Sample for Expression Tree (轉)Express
- el-tree-select
- F - Perfect Matching on a Tree
- 高效能Mysql 入門到放棄 之 B+-Tree (與B-Tree以及Binary Tree的對比解析)MySql
- 資料的儲存結構淺析LSM-Tree和B-tree
- LeetCode C++ 968. Binary Tree Cameras【Tree/DFS】困難LeetCodeC++
- LeetCode#110.Balanced Binary Tree(Tree/Height/DFS/Recursion)LeetCode
- Causal Inference理論學習篇-Tree Based-From Uplift Tree to Uplift ForestREST
- [HDU6793] Tokitsukaze and Colorful Tree
- [leetcode]same-treeLeetCode
- PostgreSQL的B-tree索引SQL索引
- Machine Learning (10) - Decision TreeMac