c++ - Updating a Prims algorithm for Minimum spanning trees -


i need doing c++ or java method prints minimum spanning tree prints minimum spanning tree without of vertices in graph. if min span tree has weight 37 min span tree without edge b has weight 49, , next tree out edge b c has weight 50.

so question is, how can take out arbitrary edges of mst , calculate new 1 without edge minimal time complexity.


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