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<TITLE>Graph Traversal Applications: Testing for Cycles and Connectedness</TITLE>
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<b>Data Structures and Algorithms
with Object-Oriented Design Patterns in C++</b><br>
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<H2><A NAME="SECTION0017340000000000000000">Graph Traversal Applications:<BR> Testing for Cycles and Connectedness</A></H2>
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This section presents several graph algorithms
that are based on graph traversals.
The first two algorithms test
undirected and directed graphs for connectedness.
Both algorithms are implemented using the depth-first traversal.
The third algorithm tests a directed graph for cycles.
It is implemented using a topological-order traversal.
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