F. Economic Difficulties An electrical grid in Berland palaces consists of 2 grids: main and reserve. Wires in palaces are made of expensive material, ...
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其他好文 时间:
2019-11-30 13:45:03
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87
原题链接在这里:https://leetcode.com/problems/shortest-bridge/ 题目: In a given 2D binary array A, there are two islands. (An island is a 4-directionally connec ...
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其他好文 时间:
2019-11-26 13:36:09
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59
Watcher接口 在ZooKeeper中,接口类Watcher用于表示一个标准的事件处理器,其定义了事件通知相关的逻辑,包含KeeperState和EventType两个枚举类,分别代表了通知状态和事件类型,同时定义了事件的回调方法:process(WatchedEvent event)。 Wat ...
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其他好文 时间:
2019-11-26 13:22:07
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84
原题链接 There are n cities connected by m flights. Each fight starts from city u and arrives at v with a price w. Now given all the cities and flights, t ...
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其他好文 时间:
2019-11-23 09:19:01
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82
人们想到收集数据时,首先会想到的是穿戴设备或其他个人产品,但是他们的通信能力通常是基本的。来自美国设计和工程咨询公司Nytec Inc.的Connected X.0?是一个技术平台,以可穿戴和一组聚合传感器的形式组合在一起。它集成了LIS2DH12加速度计,并依靠搭载意法半导体的STM32F4微控制器的智能通信系统,聚合器。
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其他好文 时间:
2019-11-21 09:49:28
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71
Have you ever heard of the word "six degrees of separation"? It is said that two individuals are connected by at most five others. Lee is wondering ab ...
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编程语言 时间:
2019-11-16 14:48:54
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70
Given a 2D grid consists of 0s (land) and 1s (water). An island is a maximal 4-directionally connected group of 0s and a closed island is an island to ...
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其他好文 时间:
2019-11-16 10:24:06
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98
Mind Map A mind map is a kind of spider diagram that organizes information around a central concept, with connecting branches. The layout is controlle... ...
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其他好文 时间:
2019-11-15 14:10:36
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67
Given a reference of a node in a connected undirected graph, return a deep copy (clone) of the graph. Each node in the graph contains a val (int) and ...
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编程语言 时间:
2019-11-12 00:46:37
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59
一 图的定义 定义:图(Graph)是由顶点的有穷非空集合和顶点之间边的集合组成,通常表示为:G(V,E),其中,G表示一个图,V是图G中顶点的集合,E是图G中边的集合。 在图中需要注意的是: (1)线性表中我们把数据元素叫元素,树中将数据元素叫结点,在图中数据元素,我们则称之为顶点(Vertex) ...
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其他好文 时间:
2019-11-10 11:46:00
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90