摘要：
http://poj.org/problem?id=1389Area of Simple PolygonsTime Limit:1000MSMemory Limit:65536KTotal Submissions:2772Accepted:1409DescriptionThere are N, 1 <= N <= 1,000 rectangles in the 2-D xy-plane. The four sides of a rectangle are horizontal or vertical line segments. Rectangles are defined by 阅读全文
