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哈密顿图 BestCoder Round #53 (div.2) 1003 Rikka with Graph II
题目传送门题意:判断是否为哈密顿图分析:首先一种情况是不合法的:也就是度数为1的点超过2个;合法的有:,那么从度数为1的点开始深搜,如果存在一种走法能够走完n个点那么存在哈密顿路收获:学习资料代码:/************************************************* ...
分类:其他好文   时间:2015-09-05 17:37:42    阅读次数:155
HDU 3435 KM A new Graph Game
和HDU 3488一样的,只不过要判断一下是否有解。 1 #include 2 #include 3 #include 4 #include 5 #include 6 using namespace std; 7 8 const int maxn = 1000 + 10;...
分类:其他好文   时间:2015-09-05 11:00:00    阅读次数:208
Leetcode: Clone Graph
Clone an undirected graph. Each node in the graph contains a label and a list of its neighbors.OJ’s undirected graph serialization: Nodes are labeled uniquely.We use # as a separator for each node, an...
分类:其他好文   时间:2015-09-03 16:42:54    阅读次数:105
[CareerCup] 7.6 The Line Passes the Most Number of Points 经过最多点的直线
7.6 Given a two-dimensional graph with points on it, find a line which passes the most number of points.这道题给了我们许多点,让我们求经过最多点的一条直线。给之前那道7.5 A Line Cut ...
分类:其他好文   时间:2015-09-03 00:43:18    阅读次数:215
Cocoa Design Patterns
Book DescriptionThis is the Rough Cut version of the printed book.Much of the technology embodied by Apple's Cocoa software development frameworks hav...
分类:其他好文   时间:2015-09-03 00:40:30    阅读次数:167
HDU 5424——Rikka with Graph II——————【哈密顿路径】
Rikka with Graph IITime Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 1051Accepted Submission(s): 266...
分类:其他好文   时间:2015-09-02 17:09:48    阅读次数:161
SPOJ375 Query on a tree 树链剖分
SPOJ375 Query on a tree 树链剖分no tagsYou are given a tree (an acyclic undirected connected graph) withNnodes, and edges numbered 1, 2, 3...N-1.We will ....
分类:其他好文   时间:2015-09-02 00:30:17    阅读次数:176
BZOJ2888 : 资源运输
显然资源集合处就是树的重心,这题需要动态维护树的重心。每个连通块以重心为根,用link-cut tree维护每个点的子树大小以及子树内所有点到它的距离和。合并两个连通块时,考虑启发式合并,暴力往大的树中添加叶子。添加叶子时,需要将叶子到重心路径上所有点的子树大小+1,距离和则加上一个等差数列。并且新...
分类:其他好文   时间:2015-09-01 21:32:19    阅读次数:288
[LintCode] Find the Weak Connected Component in the Directed Graph
Find the number Weak Connected Component in the directed graph. Each node in the graph contains a label and a list of its neighbors. (a connected set ...
分类:其他好文   时间:2015-09-01 21:12:12    阅读次数:344
8-27 linux 学习(权限管理,正则表达式)
8-27Study1.学习命令总结:(word写的,格式可能上传时出了点问题)1.1cut:针对字符串切片操作sort:排序操作uniq:去重操作cut命令:格式:cutOPTION...[FILE]...-b:只查找位-c:只查找字节-d:设定间隔符-f:设定选择显示文件项单文件#;游离多文件#,#连续多文件#-#-n:不分割复..
分类:系统相关   时间:2015-09-01 17:05:48    阅读次数:320
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