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Fibonacci heap

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A Fibonacci heap is a heap data structure similar to the binomial heap, only with a few modifications and a looser structure. The Fibonacci heap was designed in order to improve Dijkstra’s shortest path algorithm from O(m \log n) to O(m + n \log n) by optimising the operations used most by the algorithm. Its name derives from the fact that the Fibonacci sequence is used in the complexity analysis of its operations.

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