uva10047:http://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=24&page=show_problem&problem=988 题意:题目意思比较绕,就是给出图,从起点'S'出发,到终点'T',有这样的车轮:车轮每转90度,时间加1,上面的均匀5个扇形,从起点开始,是blue色扇形着地,方向向‘上’,然后求出从起点到终点的最后终点是blue扇形着地的最小时间. 题…

The Monocycle Time Limit: 3000MS64bit IO Format: %lld & %llu [Submit]   [Go Back]   [Status] Description Problem A: The Monocycle A monocycle is a cycle that runs on one wheel and the one we will be considering is a bit more special. It has a solid w…

Problem A: The Monocycle  A monocycle is a cycle that runs on one wheel and the one we will be considering is a bit more special. It has a solid wheel colored with five different colors as shown in the figure: The colored segments make equal angles (…

UVa10047 The Monocycle 链接:http://acm.hust.edu.cn/vjudge/problem/viewProblem.action?id=19491 (以上摘自http://blog.csdn.net/shuangde800/article/details/7686003) [思路] BFS. 以节点位置(x,y)方向dir底面的颜色c时间d为状态宽搜,每次只有左转.右转.向前走三个拓展. 需要注意的有初始状态为(sx,sy,0,0),update有效简约了代码…

求有限集传递闭包的 Floyd Warshall 算法(矩阵实现) 其实就三重循环.zzuoj 1199 题 链接 http://acm.zzu.edu.cn:8000/problem.php?id=1199 Problem B: 大小关系 Time Limit: 2 Sec  Memory Limit: 128 MBSubmit: 148  Solved: 31[Submit][Status][Web Board] Description 当我们知道一组大小关系之后,可判断所有关系是否都能成立…

Gson解析JSON字符串时出现了下面的错误: No-args constructor for class X does not exist. Register an InstanceCreator with Gson for this type to fix this problem. 解决的办法是把对应的Class改成静态类.…

C - NP-Hard Problem Crawling in process... Crawling failed Time Limit:2000MS     Memory Limit:262144KB     64bit IO Format:%I64d & %I64u Submit Status Practice CodeForces 688C uDebug Description   Input   Output   Sample Input   Sample Output   Hint…

I joined the NodeJS online Course three weeks ago, but now I'm late about 2 weeks. I pay the codeschool yearly subscribed, but I have lost the track long time. I get more weight than expected. I like more and more my MacBook Pro I maybe go to the UST…

    Programming Contest Problem Types Hal Burch conducted an analysis over spring break of 1999 and made an amazing discovery: there are only 16 types of programming contest problems! Furthermore, the top several comprise almost 80% of the problems s…

题意: 给你一个数n,表示有n辆火车,编号从1到n,入站,问你有多少种出站的可能.    (题于文末) 知识点: ps:百度百科的卡特兰数讲的不错,注意看其参考的博客. 卡特兰数(Catalan):前几项为 : 1, 1, 2, 5, 14, 42, 132, 429, 1430, 4862, 16796, 58786, 208012, 742900, 2674440, 9694845, 35357670- 令h(0)=1,h(1)=1,catalan数满足递推式:      h(n)= h(0…