Transmitters

Description

In a wireless network with multiple transmitters sending on the same frequencies, it is often a requirement that signals don't overlap, or at least that they don't conflict. One way of …

20190211update:工作的时候看同事ocr的代码，发现有一段就是极角排序orz...所以说算法还是有用的...

先介绍几种极角排序：

1.利用叉积的正负来作cmp.(即是按逆时针排序).此题就是用这种方法

A - You can Solve a Geometry Problem too

**Time Limit:**1000MS **Memory Limit:**32768KB 64bit IO Format:%I64d & %I64u

Submit Status

Description

Many geometry（几何）problems were designed in the ACM/ICPC. And now, I also prepare a geometry problem for this final exam. According to the experience of many ACMers, …

改革春风吹满地

**Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)
Total Submission(s): 24179 Accepted Submission(s): 12504
**

Problem Description

" 改革春风吹满地,
不会AC没关系;
实在不行回老家，
还有一亩三分地。
谢谢!（乐队奏乐）"