Network of Schools Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 16571 Accepted: 6558 Description A number of schools are connected to a computer network. Agreements have been developed among those schools: each school maintains a li…
http://poj.org/problem?id=2762 Going from u to v or from v to u? Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 12733 Accepted: 3286 Description In order to make their sons brave, Jiajia and Wind take them to a big cave. The cave has…