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题目链接：http://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=2896大概思路：A和B运动，以A（Posa）为参考点，求出B的运动轨迹（Posb -> Posb + Vb-Va）;#include#include#include#include#include#includeusing namespace std;const int maxn = 60;const int maxe = 100000;const int INF 阅读全文
摘要：
题目链接：https://icpcarchive.ecs.baylor.edu/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=1264#include#include#include#include#include#includeusing namespace std;const int maxn = 310;const int maxe = 100000;const int INF = 0x3f3f3f;struct Point{ double x,y; Point(double 阅读全文
摘要：
#include#include#include#include#include#include#includeusing namespace std;struct Point{ double x,y; Point(double x=0, double y=0) : x(x),y(y){ } //构造函数};typedef Point Vector;Vector operator + (Vector A , Vector B){return Vector(A.x+B.x,A.y+B.y);}Vector operator - (Vector A , Vector B){ret... 阅读全文