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17-12: Single Source Shortest PathA2 2C D EF24 1 3 105 8 4 61BGNodeABCDEFGDistance0Why is it safe to add D, with cost 1?Could we do better with a more roundaboutpath?No – to get to any other node will cost at least 1No negative edge weights, can’t do better than11
17-13: Single Source Shortest PathNode Distance2AA 0BB4 1 3 10CC2 2D 1D EE5 8 4 6 FGF1GWe can now add another vertex to our known list ...
Page 3 and 4: 17-1: Shortest Path ExampleShortest
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Page 16 and 17: 17-14: Single Source Shortest PathA
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Page 24 and 25: 17-22: Dijkstra’s Algorithm Examp
Page 32 and 33: 17-30: Dijkstra’s AlgorithmAfter
Page 42 and 43: 17-40: Dijkstra Codevoid Dijkstra(E
Page 44 and 45: 17-42: Dijkstra Running TimeTime fo
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Page 54 and 55: 17-52: Improving DijkstraCan we do
Page 56 and 57: 17-54: Improving DijkstraTo improve
Page 58 and 59: 17-56: Rearranging the heapTotal ti
Page 60 and 61: 17-58: Improving DijkstraCreate a n
Page 62 and 63: 17-60: Improved? Dijkstra TimeDon
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17-62: All-Source Shortest PathWhat
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17-64: All-Source Shortest PathWhat
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17-66: Floyd’s AlgorithmVertices
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17-68: k-path Examples0115 357211Sh
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17-70: Floyd’s AlgorithmShortest
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17-72: Floyd’s AlgorithmIf we had
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17-74: Floyd’s AlgorithmUse a dou
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17-76: Floyd’s AlgorithmWe’ve o
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