摘要: #include#include#include#includeusing namespace std;typedef double dd;#define N 200struct P{ dd x,y; P(dd a=0,dd b=0){ x=a,y=b; ... 阅读全文
posted @ 2014-06-07 21:44 wangyucheng 阅读(174) 评论(0) 推荐(0) 编辑