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HDU5823 color II
Time Limit: 2000MS Memory Limit: 65536KB 64bit IO Format: %I64d & %I64u Description You are given an undirected graph with n vertices numbered 0 throu ...
分类:其他好文   时间:2016-10-03 21:26:00    阅读次数:222
Large Margin DAGs for Multiclass Classification
Abstract We present a new learning architecture: the Decision Directed Acyclic Graph (DDAG), which is used to combine many two-class classifiers into ...
分类:其他好文   时间:2016-10-03 19:16:55    阅读次数:264
Codeforces Round #143 (Div. 2) E. Cactus 无向图缩环+LCA
E. Cactus A connected undirected graph is called a vertex cactus, if each vertex of this graph belongs to at most one simple cycle. A simple cycle in ...
分类:其他好文   时间:2016-10-03 17:04:03    阅读次数:181
NOIp Graph 1002 瞎眼记
又是虚脱的一天啊QAQ,早上习惯性迟到,九点多到学校开始码题,六道题看下来花了将近一个小时,主要纠结于第二题和第六题。到了十点,没再深入思考,开始码题.. 一直到十一点半,写了两道题。然后吃完饭后中午把剩下会的两道题水了水就开始去主攻第六题,第二题感觉不是很有思路。 然后就从三点想到四点,中间考量了 ...
分类:其他好文   时间:2016-10-02 21:35:57    阅读次数:146
TensorFlow for R
TensorFlow? is an open source software library for numerical computation using data flow graphs. Nodes in the graph represent mathematical operations, ...
分类:其他好文   时间:2016-10-02 21:26:30    阅读次数:402
XIII Open Cup named after E.V. Pankratiev. GP of SPb
A. Graph Coloring 答案为$1$很好判,为$2$只需要二分图染色,对于$3$,首先爆搜哪些边要染成第$3$种颜色,然后二分图染色判定即可。 B. Decimal Fraction 枚举前缀,那么只需要求出后面部分的最小循环节即可,将串翻转之后进行KMP,循环节长度$=i-next[i ...
分类:其他好文   时间:2016-09-30 23:45:55    阅读次数:199
hdu 5876 Sparse Graph 无权图bfs求最短路
Sparse Graph Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 262144/262144 K (Java/Others) Problem Description In graph theory, the complement of ...
分类:其他好文   时间:2016-09-26 21:40:09    阅读次数:275
(转)二分图的最大匹配、完美匹配和匈牙利算法
二分图的最大匹配、完美匹配和匈牙利算法 这篇文章讲无权二分图(unweighted bipartite graph)的最大匹配(maximum matching)和完美匹配(perfect matching),以及用于求解匹配的匈牙利算法(Hungarian Algorithm);不讲带权二分图的最 ...
分类:编程语言   时间:2016-09-25 17:29:16    阅读次数:185
UVa11324 最大团 The Largest Clique-有向图强连通分量&DP
https://vjudge.net/problem/UVA-11324 给定一张有向图G,求一个节点数目最大的节点集,使得该集合中的任意两个节点u和v满足:要么u可以到达v,要么v可以到达u(u,v相互可达也算满足),要求输出最大的节点数 Given a directed graph G, con ...
分类:其他好文   时间:2016-09-24 17:40:39    阅读次数:153
codeforces 715B:Complete The Graph
Description ZS the Coder has drawn an undirected graph of n vertices numbered from 0 to n?-?1 and m edges between them. Each edge of the graph is weig ...
分类:其他好文   时间:2016-09-22 23:48:52    阅读次数:272
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