What is the main disadvantage of Dijkstra's algorithm?

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Question: What is the main disadvantage of Dijkstra\'s algorithm?

Options:

Correct Answer: It cannot handle negative weights

Solution:

The main disadvantage of Dijkstra\'s algorithm is that it cannot handle graphs with negative weight edges, which can lead to incorrect results.

What is the main disadvantage of Dijkstra's algorithm?

What is the main disadvantage of Dijkstra's algorithm?

Step 1: Understand what Dijkstra's algorithm is. It is a method used to find the shortest path in a graph.
Step 2: Know that a graph consists of nodes (or vertices) and edges (connections between nodes).
Step 3: Recognize that edges can have weights, which represent the cost or distance to travel from one node to another.
Step 4: Identify that Dijkstra's algorithm works well when all edge weights are non-negative (zero or positive).
Step 5: Learn that a negative weight edge is an edge that has a weight less than zero.
Step 6: Realize that if a graph has negative weight edges, Dijkstra's algorithm may not give the correct shortest path.
Step 7: Conclude that the main disadvantage of Dijkstra's algorithm is its inability to handle graphs with negative weight edges.

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