摘要：
题目链接： http://poj.org/problem?id=1329 题目描述： Circle Through Three Points Description Your team is to write a program that, given the Cartesian coordinat 阅读全文
摘要：
题目链接： http://poj.org/problem?id=1375 题目描述： Intervals Description In the ceiling in the basement of a newly open developers building a light source has 阅读全文