Intersection 大意:给你一条线段,给你一个矩形,问是否相交. 相交:线段全然在矩形内部算相交:线段与矩形随意一条边不规范相交算相交. 思路:知道详细的相交规则之后题事实上是不难的,可是还有个坑点就是题目里明明说给的是矩形左上角跟右下角的点,但实际上不是,须要又一次推断一下...真坑. struct Point { double x, y; } A, B, C, D; struct Line { Point a, b; } L; int n; double xmult(Point p1…
题目链接:http://poj.org/problem?id=1410 Intersection Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 12822 Accepted: 3347 Description You are to write a program that has to decide whether a given line segment intersects a given rectangle.…
题目: Description You are to write a program that has to decide whether a given line segment intersects a given rectangle. An example: line: start point: (4,9) end point: (11,2) rectangle: left-top: (1,5) right-bottom: (7,1) Figure 1: Line segment doe…
题目链接 Intersection Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 12040 Accepted: 3125 Description You are to write a program that has to decide whether a given line segment intersects a given rectangle. An example: line: start point:…
Intersection Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 9996 Accepted: 2632 Description You are to write a program that has to decide whether a given line segment intersects a given rectangle. An example: line: start point: (4,9) …
