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题目
单项选择题

We worked on Dijkstra's algorithm for CC12. You may assume the MinHeap class has been correctly implemented. Given the following incomplete implementation, please choose correct code segment to complete it.

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The provided dataset for this question is incomplete: there are no answer options or a defined correct answer to analyze. As a result, there is nothing concrete to evaluate against the prompt’s request to compare each option and explain why it is right or wrong. In a typical multiple-choice setup for completing Dijkstra's algorithm us......Login to view full explanation

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Dijkstra's Link State Algorithm Consider the incomplete 6-node network shown below, with given link costs; where links x and y are unknown   Consider the completed table below, which calculates the shortest distance to all nodes from U:   Nodes  d, (p) d, (p)  d, (p) d, (p) d, (p) U V W X Y Z shortest distance from node U  0 4, X 3, U 1, U 5, X 6, W   For link x (link from node X, to node Y) , what is the cost associated with this link? [Fill in the blank] For link y (link from node U to node W) , what is the cost associated with this link?[Fill in the blank]

Dijkstra’s Link-State Algorithm Consider the following network. With the indicated link costs, use Dijkstra’s shortest-path algorithm to compute the shortest path from x to all network nodes.     Show how the algorithm works by computing the distance from x to all network nodes.   Notes : When the distance is infinity, write in the abbreviation "inf". When there is a tie in node distances, please choose from left to right, i.e. the node in the left column is chosen first. For the N* node-set, for example, if the node-set contains nodes, x, y, and z, enter xyz in the blanks. For the D(.),p(.) column, enter in the format of "Distance, Predecessor", for example, 5,u in the blanks. Compute the distance from x to all network nodes. Step N’ D(t),p(t) D(u),p(u) D(v),p(v) D(w),p(w) D(y),p(y) D(z),p(z) 0 [Fill in the blank] [Fill in the blank] [Fill in the blank] [Fill in the blank] [Fill in the blank] [Fill in the blank] [Fill in the blank] 1 [Fill in the blank] [Fill in the blank] [Fill in the blank] [Fill in the blank] [Fill in the blank] [Fill in the blank] 2 [Fill in the blank] [Fill in the blank] [Fill in the blank] [Fill in the blank] [Fill in the blank] 3 [Fill in the blank] [Fill in the blank] [Fill in the blank] [Fill in the blank] 4 [Fill in the blank] [Fill in the blank] [Fill in the blank] 5 [Fill in the blank] [Fill in the blank] 6 [Fill in the blank]   End of Table 

Question at position 4 Which route computation algorithm is used by the OSPF routing mechanism?DijkstraBellman-FordNone of ThemDSR

If Dijkstra's algorithm is performed on the graph with vertex set { 0 , 1 , 2 , 3 , 4 , 5 }  and adjacency matrix given below, what is the sequence of edges added to the result (shortest path tree). Use vertex 0 as a source.  We break ties between vertices by picking the vertex with lower index.  For example, EXTRACT-MIN returns vertex 1 before vertex 2, if both vertices have the same minimum estimate.   ( 0 8 5 9 6 3 8 0 2 2 5 2 5 2 0 3 1 7 9 2 3 0 1 9 6 5 1 1 0 9 3 2 7 9 9 0 )

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