摘要:
1012: A MST Problem 时间限制: 1 Sec 内存限制: 32 MB 提交: 7 解决: 4 题目描述 It is just a mining spanning tree ( 最小生成树 ) problem, what makes you a little di... 阅读全文
摘要:
1011: Rails 时间限制: 1000 Sec 内存限制: 64 MB 提交: 16 解决: 9 题目描述 There is a famous railway station in PopPush City. Country there is incredibly hill... 阅读全文