10 lines
263 B
Python
10 lines
263 B
Python
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def adjacency_from_set( segments ):
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graph = {}
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for start,end in segments:
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graph[start] = graph.get( start, [] )
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graph[start].append( end )
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graph[end] = graph.get( end, [] )
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graph[end].append( start )
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return graph
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