Print the binary tree in the order of the zigzag. Print binary tree in the order of zigzag

question: Implement a function that prints a binary tree in the shape of the first row in Left-to-right order, the second layer in Right-to-left order, and the third line in Left-to-right order, and so on. For example: Analysis: Always traverse the

Painter problem (Dynamic programming) __ Dynamic programming

Import java.util.*; Painter problem public class painterproblem{//(1) Get the minimum time required to complete all artwork (dynamic programming method) public static int getTime (Int[]arr,int num) { if (arr==null| | arr.length==0| |

Keepalived, Egnix, Tomcat high availability, high concurrency application architecture build __nginx

Keepalived, Egnix, Tomcat high availability, high concurrent application architecture build Virtual IP address needs to be constructed in keepalived, and a nginx check file is created to detect the Nginx Server running state, and if Ngnix process

Comparison of star model and snowflake model __DW

Please go to the original http://blog.csdn.net/nisjlvhudy/article/details/7889422 I. Overview In the multidimensional analysis of business intelligence solutions, the common models can be divided into star model and snowflake model According to the

Find the maximum topological structure in a two-fork tree with the condition of searching binary tree __ two fork Tree

Import java.util.*; Find the maximum topology of a two-fork tree conforming to the search binary tree condition public class maxsearchtreetuo{//two fork tree node definition public static class node{public int value; Public Node left; public

Linear programming and network flow __ linear programming and network flow

I. Linear programming problems and their representations For example: Two. Maximum network flow problem (1) Network G is a simple forward graph, g= (v,e), v={1,2,...,n}.   Specify a vertex s in V, called a source and another vertex T, called a

Spark the common application examples of Scala language __spark

As a beginner, first learn spark, share your own experience. In learning Spark programming, the first to prepare the compilation environment, to determine the programming language, I used the Scala language, IntelliJ idea of the compilation

Introduction to Ubuntu 16.04 Development Cuda Program (i) __cuda

Introduction to Ubuntu 16.04 Development Cuda Program (i)Environment: Ubuntu 16.04+nvidia-smi 378.13+cmake 3.5.1+cuda 8.0+kdevelop 4.7.3 Environment ConfigurationNvidia driver, CMake, Cuda configuration method See: Ubuntu 16.04 Configuration Run

Phoenix, SQuirrel and HBase built

Setting Purpose: Use Hbase to use more like relational database, Hbase itself does not have select, delete, where command, type Phoenix can realize this function. Apache Official Address: http://phoenix.apache.org/installation.html installation To

A summary of running mahout problems in Hadoop __hadoop

Complete the build on Hadoop, start running a few small tests, after all, for the first time, encountered some minor problems. First, the steps in resources to verify that the installation was successful. Upload the download data

Genetic algorithm _ Genetic algorithm

I. BACKGROUND Genetic algorithm (GENETICALGORITHM) is proposed by Professor Johnh.holland and his students in the United States, and the basic theory and method of genetic algorithm are systematically expounded in the 1975 "self-adaptability of

Build fabric multi-machine deployment environment __ block chain

Recently, in learning Hyperledger fabric, you need to test fabric's multiple-machine deployment environment at the company's request, so there are three virtual machines installed locally for testing. The software used is VirtualBox, the virtual

Examples of SED usage (incomplete content) __shell

Examples of SED usage 1. Replace the command s, do not change the original file Sed ' s /book/bookall/' mysed Sed-n ' s/book/bookall/' mysed -N use alone will not output any content Sed '

Distributed Service Framework Learning Notes 4 Service Routing __ Architecture

Transparent Routing Many open source RPC framework callers need to configure the address information of the service provider, although it is possible to avoid hard-coded address information by reading the list of service addresses of the database,

The fourth chapter prepares the correct procedure __ writes the correct procedure

Write the correct principle of the program: Write the correct two-part finder: #include #include #include #define MAXN 1000000 typedef int DATATYPE; DataType X[MAXN]; int n; /* Scaffolding/int i =-999999; #define ASSERT (V) {if ((v) = 0)

TinyXML Parsing XML documents __ Network programming

L TinyXML Introduction TinyXML is currently a very popular based on the DOM model of the XML parser, easy-to-use and small, very suitable for storing simple data, configuration files, object serialization and other data volume is not a very large

Truffle-contract Call Contract __geth

Truffle-contract and contract interaction Truffle-contract is also a JavaScript library for interacting with the ether-square intelligent contract, which is more convenient than web3.js.Article Turn from:http://dophin459.coding.me/posts/79b3ba3d/

PowerShell official documentation

PowerShellBuilt on the. NET Framework, PowerShell is a task-based command-line shell scripting language that is designed for system administrators and advanced users to quickly automate multiple operating systems (Linux, MacOS, Unix, and Windows)

35 two ways to open parallel/outgoing/asynchronous non/blocking processes, common methods and properties of processes

Main content:1 noun explanationParallel: Two or more things that execute simultaneously at the same point in time. is from the microscopic, that is, at a precise moment, there are different programs in execution, which requires that there must be

Unity3d GUI font settings

1 usingSystem.Collections;2 usingSystem.Collections.Generic;3 usingUnityengine;4 5 Public classClick001:monobehaviour {6 Public BOOLWindowshow =false;7 PrivateRect rect =NewRect ( -, +, Max, Max);8 9 PublicRenderer rend;Ten One

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