Programmer Think

Title Link Explanation: Since a block in a graph is a complete graph, there are O(n2)O(n^2)O(n2) edges in the worst case! However, the edge weights of every complete graph are the same, so the O(n2)O(n^2)O(n2) edges of a complete graph can be subtracted to O(n)O(n)O(n). Specifically, we can add a new do ...

Title Description Given n n n positions, select k from them, so that the distance between the two adjacent positions of K is as large as possible, which means that the minimum value of k-1 distance is as large as possible. Output this maximum and minimum. Sample explanation: Location: 159. input First ...

Topic link: https://ac.nowcoder.com/acm/contest/888/E Title: Give you an undirected graph, each edge ui,vi weight range [Li,Ri], to go through this side of the condition is your capacity in [Li,Ri], now ask you how many kinds of capacity you have so that you can go from 1 to n. Idea: First, we think ...

Title: You have an article consisting of n natural paragraphs, hoping to arrange them into 1, 2, 3... N can use cut and paste keys to complete the task, each time can cut a continuous natural segment, paste in order when pasting. Note that there is only one shear plate, so it cannot be sheared continuou ...

Topic link: https://vjudge.net/problem/CodeForces-777C Title: Give you a matrix of n*m, k queries, each with l,r, let you ask if there is a column in the l-r row that can satisfy the non-decreasing sequence from top to bottom. Train of thought: Preprocess the maximum number of rows that each poin ...

Media Component - Audio < audio > </audio > audio control Note: Since version 1.6.0, this component is no longer maintained. It is recommended to use the more powerful wx.createInnerAudioContext interface, which will be introduced late ...

Tencent Location Services Map SDK is an application program interface that provides a variety of geographic location services. By calling this interface, developers can add map-related functions (such as map display, annotation, drawing, etc.) to their applications, easily access Tencent map services and data, and build map application prog ...

I. Preface Crash problems may arise in our applications during daily development or testing. We should adopt a zero tolerance attitude towards such problems, because if such problems occur online, it will seriously affect the user's experience. If Crash happens to be in the process of development, developers can locate the cause of the problem ...

Topic link https://loj.ac/problem/6278 Memory limit: 256 MiB time limit: 500 ms Topic Description Given a long n sequence and n operations involving interval addition, the number of elements less than a certain value x in the interval is asked ...

Message Push Protocol Message Push Protocol is an application-layer text protocol to solve the real-time message push problem on CS/BS/APP side. It works on websockets or websockets using json data structure description. Business scenarios determin ...