Start learning 50% faster. Sign in now
Dijkstra's algorithm is a well-known algorithm for finding the shortest paths from a single source vertex to all other vertices in a graph. However, it assumes that all edge weights are non-negative. This is because Dijkstra's algorithm relies on the fact that once a vertex's shortest path is determined, it will not change. If there were negative weights, a shorter path might be found later, invalidating the correctness of the algorithm. For example, if a graph has a negative weight edge, Dijkstra's algorithm might incorrectly calculate the shortest path by not considering a path that includes the negative edge. This limitation is why Dijkstra’s algorithm is not suitable for graphs with negative edge weights. Instead, algorithms like Bellman-Ford are used for graphs where negative weights are present, as they can correctly handle such situations.
What is the purpose of the $500 million loan agreement between India and the Asian Development Bank (ADB)?
Who won the 2025 ICC U-19 Cricket World Cup, defeating India in the final?
How much dividend per share did the State Bank of India declare for the financial year 2023-24?
What is the expected emission reduction by 2035, according to the UNEP Emissions Gap Report 2024, to meet the 1.5°C target?
Who established the Chandela dynasty in Jejakabhukti?
Which portal and mobile app was launched by External Affairs Minister Dr. S Jaishankar to ensure safe overseas travel for Indian migrants?
When did the Indian government reduce the windfall tax on domestically produced crude oil to 'nil'?
Recently the Prime Minister, Shri Narendra Modi flagged off which of the following Express at KSR Railway Station, Bengaluru?