Blossom algorithm: Difference between revisions

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** every exposed vertex in ''G'' is a root of an alternating tree in ''F''.
 
Each iteration of the loop starting at line B09 either adds to a tree ''T'' in ''F'' (line B10) or finds an augmenting path (line B17) or finds a blossom (line B21). It is easy to see that the running time is <math>O( |V|^4 )</math>. Micali and Vazirani <ref name = "micali">{{cite
| author1 = Micali, Silvio
| author2 = Vazirani, Vijay