Dear student,
Djikstra's Algorithm for shortest path calculation is a Greedy Approach of finding out the shortest path from any one vertex in a graph to all other vertices.
In this method, we first assign the directly connected nodes to the first node the cost of their path, and set all other nodes cost to infinity. Then, one by one we travel to each shortest connected node and check if the path from the first node to the destination node via the intermediate node is shortest or not. If it is shortest then we reassign the cost at that destination vertex.
For the given graph, let us see the table:
b. As we can see above that the shortest path from city A to city I will cost 125.
The path is:
A-C-F-I
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I hope the given solution helps clear your doubt.
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Regards
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