🗊 Презентация Bridges and Cut Vertices

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Слайд 1


Bridges and Cut Vertices Lyzhin Ivan, 2016
Описание слайда:
Bridges and Cut Vertices Lyzhin Ivan, 2016

Слайд 2


Definitions Bridge – an edge of a graph whose deletion increases the number of connected components. Cut vertex – a vertex whose deletion increases...
Описание слайда:
Definitions Bridge – an edge of a graph whose deletion increases the number of connected components. Cut vertex – a vertex whose deletion increases the number of connected components.

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Example - Bridges
Описание слайда:
Example - Bridges

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Example – Cut Vertices
Описание слайда:
Example – Cut Vertices

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Definitions for Depth-First-Search in undirected graph Tree edge – edge to unvisited vertex. Back edge – edge to visited vertex. Parent edge – edge...
Описание слайда:
Definitions for Depth-First-Search in undirected graph Tree edge – edge to unvisited vertex. Back edge – edge to visited vertex. Parent edge – edge to parent vertex.

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Algorithm - Bridges Start DFS from unvisited vertex. – entry time for vertex. If , then is bridge.
Описание слайда:
Algorithm - Bridges Start DFS from unvisited vertex. – entry time for vertex. If , then is bridge.

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Implementation - Bridges
Описание слайда:
Implementation - Bridges

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Algorithm – Cut Vertices Start DFS from unvisited vertex. – entry time for vertex. If and , then is cut vertex. If and , then is cut vertex.
Описание слайда:
Algorithm – Cut Vertices Start DFS from unvisited vertex. – entry time for vertex. If and , then is cut vertex. If and , then is cut vertex.

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Implementation – Cut Vertices
Описание слайда:
Implementation – Cut Vertices

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Additional links and home task Bridge searching Cut vertex searching Tasks
Описание слайда:
Additional links and home task Bridge searching Cut vertex searching Tasks



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