tb_youth的博客

CaterpillarTime Limit: 2000MS Memory Limit: 65536KTotal Submissions: 2897 Accepted: 1319DescriptionAn undirected graph is called a caterpillar if it is connected, has no cycles, and there is a...

poj1985 Cow Marathon（树的直径）Time Limit: 2000MS Memory Limit: 30000KTotal Submissions: 9110 Accepted: 4171Case Time Limit: 1000MSDescriptionAfter hearing about the epidemic of obesity in the USA...