题目: In this problem, a tree is an undirected graph that is connected and has no cycles. The given input is a graph that started as a tree with N nodes ...
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编程语言 时间:
2020-02-21 22:42:00
阅读次数:
81
SQL> drop user test cascade;drop user test cascade*ERROR at line 1:ORA-01940: cannot drop a user that is currently connected SQL> select sid,serial# f ...
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数据库 时间:
2020-02-21 20:27:59
阅读次数:
230
这个迭代刚好要在做TeamCity迁移工作,也算边工作边学习吧,把遇到的问题记录下来,希望能帮到有需要的胖友。 一、Windows系统下 安装与配置Agent 1.先在TeamCity服务中的导航栏中点击Administration,点击Install Build Agents,下载相应的Agent ...
题目:传送门 题意: 给你 n 条线段的两个端点, 然后有多次询问, 每次询问, 问你线段 x 和 线段 y 是否相交。 若线段 A 和线段 B 相交且线段 A 和线段 C 相交,那么线段 B 和线段 C 相交。 1 < n < 13 题解: 暴力求线段是否相交, 然后再跑个 Floyd 或者并查集 ...
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其他好文 时间:
2020-02-21 16:34:06
阅读次数:
77
接着上篇tensorflow compute graph的理解,其中operation node 需要给运算定义forward 和backward函数。这篇中我们实现一个简单的fully_connected layer的forward 和backward 函数: class fullyconnect ...
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其他好文 时间:
2020-02-21 16:15:34
阅读次数:
85
In a given 2D binary array , there are two islands. (An island is a 4 directionally connected group of s not connected to any other 1s.) Now, we may c ...
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其他好文 时间:
2020-02-19 23:40:26
阅读次数:
85
1.Oracle数据泵导出schema时有报错: Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - ProductionWith the Partitioning, OLAP, Data Mining ...
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其他好文 时间:
2020-02-16 13:24:19
阅读次数:
134
F. Three Paths on a Tree Description You are given an unweighted tree with nn vertices. Recall that a tree is a connected undirected graph without cyc ...
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其他好文 时间:
2020-02-13 09:54:10
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72
本节重点:如何衡量一个网络 (网络量化)网络的关键属性:1. 度的分布:P(k)2. 路径长度:h3. 集聚系数(clustering coefficient):C4. 连通分量(connected components):s 1. 度的分布 degree distribution:P(k)统计每个... ...
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其他好文 时间:
2020-02-07 01:14:19
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221
1 """ 2 You have N gardens, labelled 1 to N. In each garden, you want to plant one of 4 types of flowers. 3 paths[i] = [x, y] describes the existence ...
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其他好文 时间:
2020-02-03 22:04:46
阅读次数:
55