摘要：
题目链接Problem DescriptionEddy begins to like painting pictures recently ,he is sure of himself to become a painter.Every day Eddy draws picture... 阅读全文
摘要：
题目链接-hdoj1102Problem DescriptionThere are N villages, which are numbered from 1 to N, and you should build some roads such that every two vil... 阅读全文