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Tree test console
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‎Tree/Tree.TreeLib/LevelOrderTraversal.cs

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/* ==============================================================================
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* 功能描述：LevelOrderTraversal
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* 创 建 者：gz
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* 创建日期：2017/4/19 12:23:31
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* ==============================================================================*/
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using System.Collections.Generic;
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using System.Linq;
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//Given a binary tree, return the bottom-up level order traversal of its nodes' values. (ie, from left to right, level by level from leaf to root).
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//For example:
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//Given binary tree [3,9,20,null,null,15,7],
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// 3
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// / \
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// 9 20
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// / \
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// 15 7
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//return its bottom-up level order traversal as:
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//[
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// [15,7],
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// [9,20],
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// [3]
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//]
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namespace Tree.TreeLib
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{
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/// <summary>
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/// 107. Binary Tree Level Order Traversal II
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/// </summary>
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public class LevelOrderTraversal
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{
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public IList<IList<int>> LevelOrderBottom(TreeNode root)
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{
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var rtn = LevelOrderUp(root);
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if (rtn != null && rtn.Count > 0)
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{
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List<IList<int>> rtn2 = new List<IList<int>>();
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rtn2.AddRange(rtn);
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rtn2.Reverse(); //Ilist.Reverse() failure!
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return rtn2;
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}
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return new List<IList<int>>();
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}
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public IList<IList<int>> LevelOrderUp(TreeNode root)
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{
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if (root == null)
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return new List<IList<int>>();
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IList<IList<int>> rtn = new List<IList<int>>{new List<int> {root.val}};
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var tmp = getNextLevel(new List<TreeNode> { root });
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if (tmp != null && tmp.Count > 0)
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{
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foreach (var item in tmp)
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rtn.Add(item);
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}
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return rtn;
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}
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private IList<IList<int>> getNextLevel(IList<TreeNode> curLevel)
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{
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if (curLevel == null || curLevel.Count == 0)
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return null;
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IList<IList<int>> rtn= new List<IList<int>>();
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List<TreeNode> nextn = new List<TreeNode>();
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foreach (var item in curLevel)
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{
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if (item.left != null)
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nextn.Add(item.left);
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if (item.right != null)
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nextn.Add(item.right);
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}
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if (nextn.Count == 0)
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return null;
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rtn.Add(nextn.Select(r => r.val).ToList());
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var children = getNextLevel(nextn);
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if (children != null && children.Count > 0)
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{
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foreach (var item in children)
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rtn.Add(item);
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}
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return rtn;
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}
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}
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}

‎Tree/Tree.TreeLib/Properties/AssemblyInfo.cs

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using System.Reflection;
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using System.Runtime.CompilerServices;
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using System.Runtime.InteropServices;
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// 有关程序集的常规信息通过以下
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// 特性集控制。更改这些特性值可修改
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// 与程序集关联的信息。
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[assembly: AssemblyTitle("TreeLib")]
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[assembly: AssemblyDescription("")]
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[assembly: AssemblyConfiguration("")]
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[assembly: AssemblyCompany("")]
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[assembly: AssemblyProduct("TreeLib")]
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[assembly: AssemblyCopyright("Copyright © 2017")]
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[assembly: AssemblyTrademark("")]
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[assembly: AssemblyCulture("")]
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// 将 ComVisible 设置为 false 使此程序集中的类型
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// 对 COM 组件不可见。如果需要从 COM 访问此程序集中的类型，
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// 则将该类型上的 ComVisible 特性设置为 true。
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[assembly: ComVisible(false)]
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// 如果此项目向 COM 公开，则下列 GUID 用于类型库的 ID
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[assembly: Guid("ba192037-6f56-4221-8634-92b12dc8278e")]
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// 程序集的版本信息由下面四个值组成:
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//
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// 主版本
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// 次版本
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// 内部版本号
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// 修订号
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//
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// 可以指定所有这些值，也可以使用“内部版本号”和“修订号”的默认值，
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// 方法是按如下所示使用“*”:
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// [assembly: AssemblyVersion("1.0.*")]
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[assembly: AssemblyVersion("1.0.0.0")]
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[assembly: AssemblyFileVersion("1.0.0.0")]

‎Tree/Tree.TreeLib/Tree.TreeLib.csproj

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<?xml version="1.0" encoding="utf-8"?>
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<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<PropertyGroup>
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<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
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<Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
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<ProductVersion>8.0.30703</ProductVersion>
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<SchemaVersion>2.0</SchemaVersion>
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<ProjectGuid>{5BEFEB2E-0D66-43FC-934E-0B68EF9E71F9}</ProjectGuid>
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<OutputType>Library</OutputType>
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<AppDesignerFolder>Properties</AppDesignerFolder>
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<RootNamespace>Tree.TreeLib</RootNamespace>
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<AssemblyName>Tree.TreeLib</AssemblyName>
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<TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
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<FileAlignment>512</FileAlignment>
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</PropertyGroup>
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<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
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<DebugSymbols>true</DebugSymbols>
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<DebugType>full</DebugType>
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<Optimize>false</Optimize>
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<OutputPath>bin\Debug\</OutputPath>
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<DefineConstants>DEBUG;TRACE</DefineConstants>
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<ErrorReport>prompt</ErrorReport>
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<WarningLevel>4</WarningLevel>
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</PropertyGroup>
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<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
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<DebugType>pdbonly</DebugType>
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<Optimize>true</Optimize>
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<OutputPath>bin\Release\</OutputPath>
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<DefineConstants>TRACE</DefineConstants>
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<ErrorReport>prompt</ErrorReport>
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<WarningLevel>4</WarningLevel>
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</PropertyGroup>
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<ItemGroup>
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<Reference Include="System" />
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<Reference Include="System.Core" />
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<Reference Include="System.Xml.Linq" />
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<Reference Include="System.Data.DataSetExtensions" />
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<Reference Include="Microsoft.CSharp" />
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<Reference Include="System.Data" />
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<Reference Include="System.Xml" />
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</ItemGroup>
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<ItemGroup>
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<Compile Include="LevelOrderTraversal.cs" />
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<Compile Include="Properties\AssemblyInfo.cs" />
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<Compile Include="TreeNode.cs" />
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<Compile Include="TreeTools.cs" />
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</ItemGroup>
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<Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
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<!-- To modify your build process, add your task inside one of the targets below and uncomment it.
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Other similar extension points exist, see Microsoft.Common.targets.
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<Target Name="BeforeBuild">
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</Target>
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<Target Name="AfterBuild">
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</Target>
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-->
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</Project>

‎Tree/Tree.TreeLib/TreeNode.cs

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/* ==============================================================================
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* 功能描述：TreeNode
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* 创 建 者：gz
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* 创建日期：2017/4/19 12:20:32
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* ==============================================================================*/
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namespace Tree.TreeLib
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{
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/// <summary>
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/// TreeNode
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/// Definition for a binary tree node.
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/// </summary>
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public class TreeNode
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{
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public TreeNode(int x)
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{
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val = x;
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}
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public int val;
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public TreeNode left;
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public TreeNode right;
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/// <summary>
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/// 构建树
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/// </summary>
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/// <param name="nums">数组，无左右子树，用null表示</param>
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/// <returns>树根</returns>
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public static TreeNode buildTree(object[] nums)
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{
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return build(nums, 0);
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}
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private static TreeNode build(object[] nums, int i)
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{
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if (i>=nums.Length || nums[i] == null)
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return null;
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TreeNode root = new TreeNode((int)nums[i]);
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root.left = build(nums, 2*i + 1);
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root.right = build(nums, 2*i + 2);
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return root;
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}
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}
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}

‎Tree/Tree.TreeLib/TreeTools.cs

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/* ==============================================================================
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* 功能描述：TreeNode
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* 创 建 者：gz
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* 创建日期：2017/4/19 12:20:32
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* ==============================================================================*/
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namespace Tree.TreeLib
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{
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/// <summary>
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/// TreeNode
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/// Definition for a binary tree node.
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/// </summary>
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public class TreeTools
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{
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/// <summary>
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/// 构建树
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/// </summary>
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/// <param name="nums">数组，无左右子树，用null表示</param>
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/// <returns>树根</returns>
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public static TreeNode buildTree(object[] nums)
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{
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return build(nums, 0);
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}
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private static TreeNode build(object[] nums, int i)
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{
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if (i>=nums.Length || nums[i] == null)
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return null;
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TreeNode root = new TreeNode((int)nums[i]);
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root.left = build(nums, 2*i + 1);
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root.right = build(nums, 2*i + 2);
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return root;
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}
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}
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}

‎Tree/Tree/Program.cs

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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using Tree.test;
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using Tree.TreeLib;
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namespace Tree
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{
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class Program
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{
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static void Main(string[] args)
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{
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}
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}
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}

‎Tree/Tree/Properties/AssemblyInfo.cs

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using System.Reflection;
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using System.Runtime.CompilerServices;
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using System.Runtime.InteropServices;
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// 有关程序集的常规信息通过以下
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// 特性集控制。更改这些特性值可修改
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// 与程序集关联的信息。
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[assembly: AssemblyTitle("Tree")]
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[assembly: AssemblyDescription("")]
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[assembly: AssemblyConfiguration("")]
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[assembly: AssemblyCompany("")]
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[assembly: AssemblyProduct("Tree")]
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[assembly: AssemblyCopyright("Copyright © 2017")]
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[assembly: AssemblyTrademark("")]
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[assembly: AssemblyCulture("")]
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// 将 ComVisible 设置为 false 使此程序集中的类型
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// 对 COM 组件不可见。如果需要从 COM 访问此程序集中的类型，
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// 则将该类型上的 ComVisible 特性设置为 true。
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[assembly: ComVisible(false)]
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// 如果此项目向 COM 公开，则下列 GUID 用于类型库的 ID
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[assembly: Guid("99bdaedd-9617-4457-a3ee-d031fd99bc48")]
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// 程序集的版本信息由下面四个值组成:
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//
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// 主版本
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// 次版本
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// 内部版本号
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// 修订号
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//
32+
// 可以指定所有这些值，也可以使用“内部版本号”和“修订号”的默认值，
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// 方法是按如下所示使用“*”:
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// [assembly: AssemblyVersion("1.0.*")]
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[assembly: AssemblyVersion("1.0.0.0")]
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[assembly: AssemblyFileVersion("1.0.0.0")]

‎Tree/Tree/Tree.csproj

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<?xml version="1.0" encoding="utf-8"?>
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<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<PropertyGroup>
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<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
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<Platform Condition=" '$(Platform)' == '' ">x86</Platform>
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<ProductVersion>8.0.30703</ProductVersion>
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<SchemaVersion>2.0</SchemaVersion>
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<ProjectGuid>{B50199B3-C1D8-488C-826C-3FA2F5BC5B01}</ProjectGuid>
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<OutputType>Exe</OutputType>
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<AppDesignerFolder>Properties</AppDesignerFolder>
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<RootNamespace>Tree</RootNamespace>
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<AssemblyName>Tree</AssemblyName>
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<TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
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<TargetFrameworkProfile>Client</TargetFrameworkProfile>
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<FileAlignment>512</FileAlignment>
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</PropertyGroup>
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<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|x86' ">
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<PlatformTarget>x86</PlatformTarget>
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<DebugSymbols>true</DebugSymbols>
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<DebugType>full</DebugType>
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<Optimize>false</Optimize>
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<OutputPath>bin\Debug\</OutputPath>
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<DefineConstants>DEBUG;TRACE</DefineConstants>
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<ErrorReport>prompt</ErrorReport>
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<WarningLevel>4</WarningLevel>
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</PropertyGroup>
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<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|x86' ">
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<PlatformTarget>x86</PlatformTarget>
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<DebugType>pdbonly</DebugType>
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<Optimize>true</Optimize>
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<OutputPath>bin\Release\</OutputPath>
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<DefineConstants>TRACE</DefineConstants>
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<ErrorReport>prompt</ErrorReport>
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<WarningLevel>4</WarningLevel>
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</PropertyGroup>
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<ItemGroup>
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<Reference Include="System" />
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<Reference Include="System.Core" />
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<Reference Include="System.Xml.Linq" />
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<Reference Include="System.Data.DataSetExtensions" />
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<Reference Include="Microsoft.CSharp" />
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<Reference Include="System.Data" />
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<Reference Include="System.Xml" />
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</ItemGroup>
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<ItemGroup>
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<Compile Include="Program.cs" />
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<Compile Include="Properties\AssemblyInfo.cs" />
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<Compile Include="test\testTree.cs" />
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</ItemGroup>
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<ItemGroup>
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<ProjectReference Include="..\Tree.TreeLib\Tree.TreeLib.csproj">
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<Project>{5BEFEB2E-0D66-43FC-934E-0B68EF9E71F9}</Project>
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<Name>Tree.TreeLib</Name>
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</ProjectReference>
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</ItemGroup>
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<ItemGroup />
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<Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
58+
<!-- To modify your build process, add your task inside one of the targets below and uncomment it.
59+
Other similar extension points exist, see Microsoft.Common.targets.
60+
<Target Name="BeforeBuild">
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</Target>
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<Target Name="AfterBuild">
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</Target>
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-->
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</Project>

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