题目链接：http://exam.upc.edu.cn/problem.php?id=5252题目：题目描述Given a triangle ABC with incenter (center of its inscribed circle), I, and circumscribed circle O, let M, N and P be the second points of inte...
题目链接：http://codeforces.com/gym/101635/attachments题目：题目描述As Jacques-Édouard really likes birthday cakes, he celebrates his birthday every hour, instead of every year. His friends ordered him a round...