tju_peter的博客

An Easy Problem?! Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 12375   Accepted: 1897 Description It's raining outside. Farmer Johnson's bull Ben wants some

tetrahedron Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others) Total Submission(s): 1057    Accepted Submission(s): 450 Problem Description Given four poin

The Doors Time Limit:1.0 Seconds Memory Limit:65536KTotal Runs:126 Accepted Runs:69 The Problem You are to find the length of the shortest path through a chamber containing obstructing w...

The Doors Time Limit: 1.0 Seconds   Memory Limit: 65536K Total Runs: 126   Accepted Runs: 69 The Problem You are to find the length of the shortest path through a chamber containing ob

这两天在学习计算几何，随便说说自己的学习过程吧。 　　基本的叉积、点积和凸包等东西就不多说什么了，网上一搜一大堆，切一些题目基本熟悉了就差不多了。 　　一些基本的题目可以自己搜索，比如这个blog：http://blog.sina.com.cn/s/blog_49c5866c0100f3om.html 　　接下来，研究了半平面交，思想方法看07年朱泽园的国家队论文，模板代码参考自

Mindis Time Limit: 6000/3000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others) Total Submission(s): 1263    Accepted Submission(s): 150 Special Judge Problem Description The cen

Regular polygon Time Limit: 3000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others) Total Submission(s): 1087    Accepted Submission(s): 405 Problem Description On a two-di

Space Ant Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 5247   Accepted: 3271 Description The most exciting space discovery occurred at the end of the 20th century. In...