V2EX dinic

Dinic

释义 Definition

Dinic 通常指 Dinic 算法(也常写作 Dinitz algorithm):一种用于求解网络最大流(maximum flow)的经典算法,核心思想是反复构建分层图(level graph)并在其中寻找阻塞流(blocking flow),时间复杂度在实践与竞赛中表现优秀。

发音 Pronunciation

/dnk/

例句 Examples

Dinic is fast enough for most max-flow problems in contests.
Dinic 算法在竞赛中对大多数最大流问题都足够快。

We used Dinic to compute the maximum flow on a large bipartite-matching instance by building a level graph and sending blocking flows repeatedly.
我们使用 Dinic 算法来计算一个大型二分匹配实例的最大流:先构建分层图,再反复增广阻塞流。

词源 Etymology

Dinic 来自该算法提出者的姓氏转写,常与 Dinitz(迪尼茨) 互见。该最大流算法由苏联/俄罗斯学者 Yefim (Chaim) Dinitz 于 1970 年左右提出,因此在不同文献与社区中会出现不同拼写(Dinic/Dinitz),但通常指同一类最大流方法。

相关词 Related Words

文学与著作出处 Literary Works

  • 《Introduction to Algorithms》(CLRS,《算法导论》):在网络流相关章节中讨论最大流思想与典型算法体系,常提及与 Dinic/Dinitz 同类的方法框架。
  • 《Competitive Programming》(Steven Halim 等,《算法竞赛入门/竞赛程序设计》系列):常以 Dinic 作为竞赛中最大流的标准实现之一。
  • 《Algorithms》(Dasgupta, Papadimitriou, Vazirani,《算法》):在图算法与网络流主题下介绍最大流问题与经典解法脉络,涉及 Dinitz/Dinic 相关思想。
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