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Dijkstra’s algorithm is an algorithm for finding the shortest paths between nodes in a graph, which may represent, for example, road networks. It was conceived by computer scientist Edsger W. Dijkstra in 1956 and published three years later.
Write a program that returns the shortest distance from node X to node Y on a given directed acyclic graph (DAG), e.g.,
Note that the last two bits of input represent the starter node X and destination node Y. Also, the size of the given DAG could be varying in this problem.
The shortest distance from A to E is 5
The shortest distance from A to C is 3