Question: 1 . Give an example where DFS fails to compute the shortest path between some two vertices in a graph. 2 . Give an example

1. Give an example where DFS fails to compute the shortest path between some two
vertices in a graph.
2. Give an example where BFS fails to compute a topological ordering in a directed
acylic graph.
3. Given an example where Dijkstras algorithm fails to compute the shortest path between two vertices in a (possibly) negative edge weighted graph.

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