From the following list of train rapid transit system (one way): School : A->B->C->D Work 1 : E->B->F->G->H Work 2 : B->N->E Work 3 : H->D->N Question: Design an algorithm to read the train rapid transit system routes list and print the number of tickets we need to purchase if we want to visit all places minimal twice. The complexity of the algorithm must be O(V+E). V is the number of places. E-> is the number of transits. PS: Use Tarjan’s or Kosaraju’s strongly connected component algorithm.

C++ Programming: From Problem Analysis to Program Design
8th Edition
ISBN:9781337102087
Author:D. S. Malik
Publisher:D. S. Malik
Chapter17: Linked Lists
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1. From the following list of train rapid transit system (one way):
School : A->B->C->D
Work 1 : E->B->F->G->H
Work 2 : B->N->E
Work 3 : H->D->N

Question: Design an algorithm to read the train rapid transit system routes list and print the number of tickets we need to purchase if we want to visit all places minimal twice. The complexity of the algorithm must be O(V+E). V is the number of places. E-> is the number of transits.
PS: Use Tarjan’s or Kosaraju’s strongly connected component algorithm.

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