摘要:
See the picture below. You are given AB, AC and BC. DE is parallel to BC. You are also given the area ratio between ADE and BDEC. You have to find the 阅读全文
摘要:
http://acm.hust.edu.cn/vjudge/contest/126623#problem/E Description A lot of people in Berland hates rain, but you do not. Rain pacifies, puts your tho 阅读全文