然后遍历与其相连的所有结点,对于每个遍历到的结点 next,还是先用 cur ‘或’ 上1<<next得到新的编码值,然后进行松弛操作 Relaxation,即若 dp[path][next] 值大于 dist+1,则用 dist+1 来更新 dp[path][next]。
https://leetcode.com/problems/shortest-path-visiting-all-nodes/description/ An undirected, connected graph of N nodes (labeled0, 1, 2, ..., N-1) is given asgraph. graph.length = N, andj != iis in the listgraph[i]exactly once, if and only if nodesiandjare connected. ...
1classSolution {2func shortestPathLength(_ graph: [[Int]]) ->Int {3varn:Int =graph.count4varfullMask:Int = (1<< n) -15varvisited:Set<String> = Set<String>()6varque:[Node] =[Node]()7foriin0..<n8{9varnode:Node = Node(i,1<<i)10que.append(node)11visited.insert(node.toStrin...
Given a undirected weighted graph, consisting of n vertices and m edges. The task is to find all the edges that are a part of every shortest path from vertex 1 to vertex n. In another word, find all the edges that if we delete it from the original graph, the shortest path from vert...
An undirected, connected graph of N nodes (labeled 0, 1, 2, ..., N-1) is given as graph. graph.length = N, and j != i is in the list graph[i] exactly once, if and only if nodes i and j are connected. Return the length of the shortest path that visits every node. You ...