Time Complexity of Depth First Search (DFS) Algorithm

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Комментарии
Автор

Amazing explanation. Step by step and indepth. Wonderful!

jaskaransingh
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very clear explanation. I wish you talked also about the time complexity of DFS when using the adjacency matrix, which should be O(n^2)

guglielmolamastra
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very clear explanation. thanks a lot sir. Please make videos of other topics also

anonymousgirl
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Very nice explanation. It is useful for GATE CS. Thanks a lot.

AdeshPaul
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FYI DFS cannot be used to find shortest path.
But the video was very well structured and informative. Thanks

deva
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The O(V) ideally comes from visited[V]=true. We can do away with the initialization by having a visited set instead of an array.

arshad
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omg NCSU! I’m fellow NCSU student who’s studying for leetcode !

iChanda
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love your handwriting on that whiteboard man.
a quick question,
O(V) comes from initialization(just once at the beginning),
but, doesn't 'visited[v]=true' also make O(V)?
cuz DFS function gets called V times in total.
thanks for great lectures ;)

starriet