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Authors:
Michael T. Goodrich, Roberto Tamassia, Michael H. Goldwasser
Chapter:
Graph Algorithms
Exercise:
Exercises
Question:52 | ISBN:9781118771334 | Edition: 6

Question

An Euler tour of a directed graph ~G with n vertices and m edges is a cycle that traverses each edge of ~G exactly once according to its direction. Such a tour always exists if ~G is connected and the in-degree equals the out-degree of each vertex in ~G. Describe an O(n+m)-time algorithm for finding an Euler tour of such a directed graph ~G.

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