Cool Points We have a circle of radius R and several line segments situated within the circumference of this circle. Let’s define a cool point to be a point on the circumference of this circle so that the line segment that is formed by this point and…
Lining Up ``How am I ever going to solve this problem?" said the pilot. Indeed, the pilot was not facing an easy task. She had to drop packages at specific points scattered in a dangerous area. Furthermore, the pilot could only fly over the area on…
Problem D Morley’s Theorem Input: Standard Input Output: Standard Output Morley’s theorem states that that the lines trisecting the angles of an arbitrary plane triangle meet at the vertices of an equilateral triangle. For example in the figure below…
描述 https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=2896 两只狗分别沿着各自的折线匀速跑,同时出发,同时到达.求其间它们两的最大距离和最小距离之差. 11796Dog DistanceTwo dogs, Ranga and Banga, are running randomly following twodifferent paths…
C Dog Distance Input Standard Input Output Standard Output Two dogs, Ranga and Banga, are running randomly following two different paths. They both run for T seconds with different speeds. Ranga runs with a constant speed of R m/s, whereas Banga runs…
比赛链接: http://vjudge.net/contest/view.action?cid=48069#overview 题目来源: lrj训练指南---二维几何计算 ID Title Problem A Morley's Theorem (向量夹角+向量旋转+两直线交点) Problem B That Nice Euler Circuit (欧拉定理 F = E + 2 - V, 求直线相交+ 判断点是否在直线上) Problem C Dog Distance (好题,…
support vector machines,SVM是二类分类模型.定义在特征空间上间隔最大的线性分类器,由于包括核技巧实质上成为非线性分类器.学习策略是间隔最大化,可形式化为求解凸二次规划问题(convex quadratic programming).求解算法是求解凸二次规划的最优化算法. SVM学习方法分为线性可分支持向量机(linear support vector machine in linearly separable case).线性支持向量机(linear support v…
Problem A Communist regime is trying to redistribute wealth in a village. They have have decided to sit everyone around a circular table. First, everyone has converted all of their properties to coins of equal value, such that the total number of coi…
第六周A题 - 几何概型 Time Limit:1000MS Memory Limit:0KB 64bit IO Format:%lld & %llu Description You are going from Dhaka to Chittagong by train and you came to know one of your old friends is goingfrom city Chittagong to Sylhet. You also know that…
option=com_onlinejudge&Itemid=8&page=show_problem&category=109&problem=1064&mosmsg=Submission+received+with+ID+13620550">题目:uva :10123 - No Tipping 题目大意:给出l, m, n 分别表示 长度为l 的杠杆, 重量为 m, 有n个物体放在上方.问每次从上面挑选一个物品移除,能否使杠杆继续平衡.这个过程中都能…
