原题下载： USACO2017-OPEN-P-2 答案： by Nathan Pinsker First, consider any path between two vertices of different colors. There must exist an edge on this path whose endpoints are different colors ...
原题下载 USACO2017-OPEN-P-1 答案 by Nathan Pinsker Intuitively, the larger our rectangles are, the more likely they are to overlap other rectangles. Since we want to maximize the number of rectangl...
一直以来，美国留学都是国人出国的热门选择，其中本科留学的申请人数所占比重很大，因此申请的竞争也愈加激烈。要想在众多申请者中脱颖而出，这就需要同学们在申请上花些心思了。 首先，成绩是申请的硬件提交，达...
