描述 Consider the two networks shown below. Assuming that data moves around these networks only between directly connected nodes on a peer-to-peer basis, a failure of a single node, 3, in the network on the left would prevent some of the still availabl…
描述 A Telephone Line Company (TLC) is establishing a new telephone cable network. They are connecting several places numbered by integers from 1 to N. No two places have the same number. The lines are bidirectional and always connect together two plac…
儿子数大于1的树根或者 Low[v] >= DFN[u]的非树根节点v 就是割点. #include <cstdio> #include <cstring> const int N = 1001; const int M = 1000010; struct Edge { int to,next; bool cut;//是否为桥的标记 }edge[M]; int head[N],tot; int Low[N],DFN[N],Stack[N]; int Index,top; bo…
SPF Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 7136 Accepted: 3255 Description Consider the two networks shown below. Assuming that data moves around these networks only between directly connected nodes on a peer-to-peer basis, a…
描述 Blackouts and Dark Nights (also known as ACM++) is a company that provides electricity. The company owns several power plants, each of them supplying a small area that surrounds it. This organization brings a lot of problems - it often happens tha…
SPF Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 8139 Accepted: 3723 Description Consider the two networks shown below. Assuming that data moves around these networks only between directly connected nodes on a peer-to-peer basis, a…
