Network of Schools Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 15211 Accepted: 6040 Description A number of schools are connected to a computer network. Agreements have been developed among those schools: each school maintains a li…
The Bottom of a Graph Time Limit: 3000MS Memory Limit: 65536K Total Submissions: 10114 Accepted: 4184 Description We will use the following (standard) definitions from graph theory. Let V be a nonempty and finite set, its elements being called ve…