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1 vote
1 answer
115 views

Some questions about shortest-path algorithms

I'm trying to understand why anyone would prefer Floyd-Warshal over Dijkstra: Dijkstra gives a correct result, using an understandable system, combined with backtracking. Floyd-Warshal makes an ...
Dominique's user avatar
  • 1,846
4 votes
1 answer
158 views

Are these graph coloring algorithms equivalent?

Suppose you want to color the vertices of a graph in a greedy fashion, given a predetermined order of these vertices. The goal is to avoid giving two adjacent (linked by an edge) vertices the same ...
Kuifje's user avatar
  • 151
2 votes
1 answer
751 views

Connected components of undirected graph

Suppose I have an undirected graph G with vertices v1...vn and edges. Right now it is in adjacency list representation. For every time moment I have as input some subset of vertices that are "active" ...
user1685095's user avatar
3 votes
1 answer
652 views

Algorithm in undirected BFS graph

I'm trying to put together an algorithm that will display the node degree for every node in a breadth first tree graph (assume BFS was called). Assume it's an undirected graph. I'm not sure how to ...
stackuser's user avatar
  • 185