undirected-graph

问题 I have data for many diff. set of undirected graphs in a table (like adjacent list relationship, one node is connected which all node) and I need to group all individual undirected graphs. Eg: all nodes of the particular undirected graphs will be in a group & group name will be the min. of the node. sel d.adj_node, min(d.adj_node) Over (Partition By a.node) as grp table a left join table b on a.adj_node=b.node left join table c on b.adj_node=c.node ​left join table d ​on c.adj_node=d.node​;

问题 I want to create undirected weighted graph of a given adjacency matrix by reading it from a csv. I can read it from a csv but I don't know how to draw its in graph. can anyone help? This is code for reading file. int main(){ ifstream ip("map.csv"); if(!ip.is_open()) std::cout << "ERROR: File Open" << '\n'; string first; string weight; while(ip.good()){ getline(ip,first); getline(ip,weight); std::cout << "First: "<<first <<'\n'; std::cout << "Weight: "<<weight<< '\n'; std::cout << "-----------

问题 My question is mostly algorithm-related and not specific to a specific programming language Assuming we have a graph represented by a list of lists, where each internal list represents two nodes and a numbered edge, Is is possible to implement a recursive BFS (breadth-first search) function using ONLY the following 12 functions? Our bfs recursive function is supposed to take 5 arguments: the graph to be searched the element to find the search queue list of visited nodes current element we're