摘要：
Typo 时间限制: 10 Sec 内存限制: 128 MB 题目描述 It is now far into the future and human civilization is ancient history. Archaeologists from a distant planet have 阅读全文
摘要：
The Biggest Triangle 时间限制: 3 Sec 内存限制: 128 MB Special Judge 题目描 Three infinite lines define a triangle, unless they meet at a common point or some of th 阅读全文