Push–relabel maximum flow algorithm: Difference between revisions

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The highest-label push-relabel algorithm<ref name="cheriyan88"/> organizes all vertices into buckets indexed by their heights. The algorithm always selects an active vertex with the largest height to discharge.
 
The algorithm has {{nowrap|''O''(''V''^<sup>2</sup>{{sqrt|''E''}})}} time complexity.
 
===Heuristics===