Pick-up sticks Time Limit: 3000MS Memory Limit: 65536K Total Submissions: 8862 Accepted: 3262 Description Stan has n sticks of various length. He throws them one at a time on the floor in a random way. After finishing throwing, Stan tries to find
Time Limit: 3000MS Memory Limit: 65536K Total Submissions: 8351 Accepted: 3068 Description Stan has n sticks of various length. He throws them one at a time on the floor in a random way. After finishing throwing, Stan tries to find the top sticks, th
判断两条线段是否相交 主要用到了通过向量积的正负判断两个向量位置关系 向量a×向量b(×为向量叉乘),若结果小于0,表示向量b在向量a的顺时针方向:若结果大于0,表示向量b在向量a的逆时针方向:若等于0,表示向量a与向量b平行 主要代码参考自文末链接,但是他并没有给出跨立检验函数的具体内容,因此补充了一下放在下面 using System; using System.Collections.Generic; using System.Windows; using System.Linq; usi
You can Solve a Geometry Problem too Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 6425 Accepted Submission(s): 3099 Problem Description Many geometry(几何)problems were designed in the ACM/I
描述 While creating a customer logo, ACM uses graphical utilities to draw a picture that can later be cut into special fluorescent materials. To ensure proper processing, the shapes in the picture cannot intersect. However, some logos contain such inte
Pick-up sticks Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 1872 Accepted Submission(s): 706 Problem Description Stan has n sticks of various length. He throws them one at a time on the fl
Jack Straws Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 2911 Accepted: 1322 Description In the game of Jack Straws, a number of plastic or wooden "straws" are dumped on the table and players try to remove them one-by-one witho
You can Solve a Geometry Problem too Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 6837 Accepted Submission(s): 3303 Problem Description Many geometry(几何)problems were designed in the ACM/ICPC. A
Pick-up sticks Time Limit: 3000MS Memory Limit: 65536K Total Submissions: 11335 Accepted: 4250 Description Stan has n sticks of various length. He throws them one at a time on the floor in a random way. After finishing throwing, Stan tries to fin
Jack Straws In the game of Jack Straws, a number of plastic or wooden "straws" are dumped on the table and players try to remove them one-by-one without disturbing the other straws. Here, we are only concerned with if various pairs of straws are