Yen's K-Shortest Path Algorithm
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YenKSP

Yen's K-Shortest Path Algorithm Yen's algorithm computes single-source K-shortest loopless paths for a graph with non-negative edge cost. The algorithm was published by Jin Y. Yen in 1971 and implores any shortest path algorithm to find the best path, then proceeds to find K − 1 deviations of the best path. See also, Yen's Algorithm.