摘要：E. Scrambled PolygonTime Limit: 2000msCase Time Limit: 2000msMemory Limit: 65536KB64-bit integer IO format: %lld Java class name: MainSubmit Status PID: 15872Font Size:A closed polygon is a figure bounded by a finite number of line segments. The intersections of the bounding line segments are calle. 阅读全文

摘要：B. Stealing a CakeTime Limit: 2000msCase Time Limit: 2000msMemory Limit: 32768KB64-bit integer IO format: %I64d Java class name: MainSubmit Status PID: 26588Font Size: There is a big round cake on the ground. A small ant plans to steal a small piece of cake. He starts from a certain point, reaches . 阅读全文