本文主要是介绍uva 438 - The Circumference of the Circle（几何），希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！
题目链接：uva 438 - The Circumference of the Circle
#include <cstdio>
#include <cstring>
#include <cmath>
#include <algorithm>using namespace std;
const double pi = 4 * atan(1);
const double eps = 1e-9;struct Point {double x, y;Point (double x = 0, double y = 0): x(x), y(y) {}
};struct Line {double a, b, c;Line (double a = 0, double b = 0, double c = 0): a(a), b(b), c(c) {}
};Line getLine(double x1, double y1, double x2, double y2) {return Line(y2 - y1, x1 - x2, y1 * (x2 - x1) - x1 * (y2 - y1));
}Line getLine(double ka, double kb, Point u) {return Line(ka, -kb, u.y * kb - u.x * ka);
}bool getCross(Li这篇关于uva 438 - The Circumference of the Circle（几何）的文章就介绍到这儿，希望我们推荐的文章对编程师们有所帮助！
