BFS . . . . for more information http://bit.ly/3TLpfGJ check the above link
seen from United States

seen from Sweden

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seen from Russia

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BFS . . . . for more information http://bit.ly/3TLpfGJ check the above link
DFS . . . . for more information http://bit.ly/3Zk1l6g check the above link
Spanning tree . . . . for more information http://bit.ly/3TLp2mV check the above link
Algorhyme
I think that I shall never see a graph more lovely than a tree. A tree whose crucial property is loop-free connectivity. A tree that must be sure to span so packets can reach every LAN. First, the root must be selected. By ID, it is elected. Least-cost paths from root are traced. In the tree, these paths are placed. A mesh is made by folks like me, then bridges find a spanning tree.