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Patch Problem description There are always errors in a program. The company often releases patches to correct these errors. Unfortunately, when correcting some errors with each patch, some errors will be added at the same time. Each patch has a certain running time. A company published a game with n errors B={b1,b2,b3,..., bn}, so the comp ...

I. [Topic difficulty] Class B II. [Title No.] 1028 census (20 points) III. [Title Description] A census was conducted in a town and the birthdays of all residents were obtained. Now please write a program to find out the oldest and youngest people in the town.Here, ensure that each entered date is legal, but not necessarily reasonable ...

The first title of konjaku Original question link Er, first simplify the meaning of the question. The general meaning is to let you blow up one of the m railways, so that two of the n cities are not connected (the idea of using and searching the set is to let you cut off one edge, so that there are two connected blocks). If you don't look at ...

Graph algorithm (array version) 1.1 shortest path Dijkstra algorithm: Suppose the vertices are \ (V_0 to V_5 \) six points. There is no connection at the beginning, but the edge weights between the vertices that can reach each other are known. The step is to start searching from vertex 0 each time, find the point with the shortest distance fro ...

Shortest path problem For the algorithm operation of related concepts, see This article. Only the codes of Dijkstra algorithm and Floyd algorithm are introduced here. Dijkstra algorithm BFS can find the shortest path length from a point to another point. Dijkstra algorithm is mainly to find the shortest path length from a point to all oth ...

dijkstra Premise: in a graph, there can be no edges with negative weight. Give you a starting point. What is the shortest distance from the starting point to all nodes? If a point cannot be reached, the distance to this point is positive infinity (usually in a directed graph). For example, see the following figure: the set on the right repre ...

A. Level Statistics meaning of the title Give you a sequence of game moments, each of which contains p i , c i ...

Introduction to graph theory Establishment and storage of Graphs Adjacency table vector implements adjacency table Adjacency table is an edge oriented data structure, so the content of the edge needs to be stored in a structure ** About vector 1,establish vector object vector<int> vec; 2,insert vec.insert(); 3,delete vec.erase(); 4, ...

Problem description Lao Zhang and Lao Wang love to climb mountains. They must climb Xiangshan once a week. Once, the two people had a dispute about how many paths there were from the east gate to Xianglu peak, so they agreed that who walked the route that the other party didn't walk in a period of time would win. Given a circuit diagram (undir ...

Critical path: Planning, construction process, production process and procedure process are usually regarded as a project. The project is usually divided into several sub projects called "activities". After these "activities" are completed, the project can be completed. AOE net is usually used to represent engineering. AOE ...