摘要:
You are given an undirected graph G(V, E). Each vertex has a mark which is an integer from the range [0..231 – 1]. Different vertexes may hav... 阅读全文
摘要:
Time Limit: 5 Seconds Memory Limit: 32768 KB Special JudgeNetwork of Byteland consists of n servers, connected by m optical cables. Each ... 阅读全文