Breadth First Search : Applications, Implementations, Complexity, Pseudocode

algorithm
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Breadth-first search (BFS) algorithm is an algorithm for traversing or searching tree or graph data structures. One starts at the root (selecting some arbitrary node as the root in the case of a graph) and explores along adjacent nodes and proceeds recursively.

The average case time complexity is O(V+E) and the auxiliary space complexity is O(V)

Refer the article for more details and implementations.

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This is a companion discussion topic for the original entry at http://iq.opengenus.org/breadth-first-search/