Electricity POJ - 2117 题目描述 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 proble…
SPF Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 9317 Accepted: 4218 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…
Network Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 12707 Accepted: 5835 Description A Telephone Line Company (TLC) is establishing a new telephone cable network. They are connecting several places numbered by integers from 1 to N…
SPF Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 7246 Accepted: 3302 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…
Network Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 11042 Accepted: 5100 Description A Telephone Line Company (TLC) is establishing a new telephone cable network. They are connecting several places numbered by integers from 1 to N…
Network Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 17016 Accepted: 7635 Description A Telephone Line Company (TLC) is establishing a new telephone cable network. They are connecting several places numbered by integers from 1 to N…
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 failure of a single node, 3, in the network on the left would prevent some of the still…
Network Description 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…
题目链接:http://poj.org/problem?id=1523 SPF:A Single Point of Failure也就是割点(一个点导致网络之间的不连通),由于给出的图是无向图,所以只要连通就一定强连通.要求连通分支的数量就是要求请联通分支的数量,我们可想到tarjan求强连通的步骤,只要一群结点的low值相同他们就是属于同一个SCC(Strongly Connected Component),所以我们只要对于每一个割点,记录一下这个点所到的其他结点的不相同的low值的数量,就是…