recently encountered a requirement that the data structure is a tree structure. is when I click on a child node and need to get an attribute value for all nodes of the corresponding branch. The data structure is shown in the following figure. for...
how to prove that a binary tree with a depth of k (k > = 1) has at most nodes? ...
for the requirements on the front end, you need to write a search function to traverse the tree, function search(nodes, keyword){ `const nodes` } const searchedNodes = search(nodes, "1-1-2-1"); "1-1-2-1" * searchedNodes [...
A red-black tree can be equivalent to a fourth-order B-tree, and all kinds of operations of the fourth-order B-tree can be completed in log (n) time, so what is the meaning of the red-black tree? Or is there such an essential difference between them that...
there is a balanced binary tree. How to ensure balance by adding 2 new nodes? for example, the weights are as follows: 100, 92, 86, 56, 6, 10, 90 , how to build a balanced binary tree? ...
when working on a project with reference to the materials on the Internet, if the last step of generating a kill order to the database fails because of the database itself, but the inventory in redis has been reduced and redis can not be rolled back, how...
because the company cannot bring out the source code, this problem is described in words here. in the parent component, there are two sub-components, the upper sub-component is the search bar, and the lower component is the ehcart chart. After selecting...
reads its contents from a .txt, with similar information in the text as follows: Info 1 Info 2 Info 3 . the code I wrote is public class FileMessage { public static void main(String[] args) throws Exception { File file = new File("D:"...
A home page that needs to distinguish between multiple countries the current directory is like this index_countrytNameindex _countryName.vue the route country in this place can be empty. what s the difference? ...
1. Yesterday noon server monitoring hint: server xx.xx machine cpu utilization exceeded 20% for 36 times in a row 2. Server basic information: javaweb project, provide query, export and other functions. 3. The monitoring information is as follows: yo...