Initial commit

This commit is contained in:
Brandon Scott 2017-06-27 20:50:16 -05:00
parent 74b1cf407e
commit 540b555378
6 changed files with 191 additions and 0 deletions

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Microsoft Visual Studio Solution File, Format Version 12.00
# Visual Studio 14
VisualStudioVersion = 14.0.25420.1
MinimumVisualStudioVersion = 10.0.40219.1
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "P003-Longest-Substring", "P003-Longest-Substring\P003-Longest-Substring.csproj", "{B1DB4789-2F4C-41D5-84CD-B3D2A199D058}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Any CPU = Debug|Any CPU
Release|Any CPU = Release|Any CPU
EndGlobalSection
GlobalSection(ProjectConfigurationPlatforms) = postSolution
{B1DB4789-2F4C-41D5-84CD-B3D2A199D058}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{B1DB4789-2F4C-41D5-84CD-B3D2A199D058}.Debug|Any CPU.Build.0 = Debug|Any CPU
{B1DB4789-2F4C-41D5-84CD-B3D2A199D058}.Release|Any CPU.ActiveCfg = Release|Any CPU
{B1DB4789-2F4C-41D5-84CD-B3D2A199D058}.Release|Any CPU.Build.0 = Release|Any CPU
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE
EndGlobalSection
EndGlobal

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<?xml version="1.0" encoding="utf-8" ?>
<configuration>
<startup>
<supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5.2" />
</startup>
</configuration>

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<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="14.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
<PropertyGroup>
<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
<Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
<ProjectGuid>{B1DB4789-2F4C-41D5-84CD-B3D2A199D058}</ProjectGuid>
<OutputType>Exe</OutputType>
<AppDesignerFolder>Properties</AppDesignerFolder>
<RootNamespace>P003_Longest_Substring</RootNamespace>
<AssemblyName>P003-Longest-Substring</AssemblyName>
<TargetFrameworkVersion>v4.5.2</TargetFrameworkVersion>
<FileAlignment>512</FileAlignment>
<AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
</PropertyGroup>
<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
<PlatformTarget>AnyCPU</PlatformTarget>
<DebugSymbols>true</DebugSymbols>
<DebugType>full</DebugType>
<Optimize>false</Optimize>
<OutputPath>bin\Debug\</OutputPath>
<DefineConstants>DEBUG;TRACE</DefineConstants>
<ErrorReport>prompt</ErrorReport>
<WarningLevel>4</WarningLevel>
</PropertyGroup>
<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
<PlatformTarget>AnyCPU</PlatformTarget>
<DebugType>pdbonly</DebugType>
<Optimize>true</Optimize>
<OutputPath>bin\Release\</OutputPath>
<DefineConstants>TRACE</DefineConstants>
<ErrorReport>prompt</ErrorReport>
<WarningLevel>4</WarningLevel>
</PropertyGroup>
<ItemGroup>
<Reference Include="System" />
<Reference Include="System.Core" />
<Reference Include="System.Xml.Linq" />
<Reference Include="System.Data.DataSetExtensions" />
<Reference Include="Microsoft.CSharp" />
<Reference Include="System.Data" />
<Reference Include="System.Net.Http" />
<Reference Include="System.Xml" />
</ItemGroup>
<ItemGroup>
<Compile Include="Program.cs" />
<Compile Include="Properties\AssemblyInfo.cs" />
<Compile Include="Solution.cs" />
</ItemGroup>
<ItemGroup>
<None Include="App.config" />
</ItemGroup>
<Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
<!-- To modify your build process, add your task inside one of the targets below and uncomment it.
Other similar extension points exist, see Microsoft.Common.targets.
<Target Name="BeforeBuild">
</Target>
<Target Name="AfterBuild">
</Target>
-->
</Project>

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using System.Reflection;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
// General Information about an assembly is controlled through the following
// set of attributes. Change these attribute values to modify the information
// associated with an assembly.
[assembly: AssemblyTitle("P003-Longest-Substring")]
[assembly: AssemblyDescription("")]
[assembly: AssemblyConfiguration("")]
[assembly: AssemblyCompany("Xeon Productions")]
[assembly: AssemblyProduct("P003-Longest-Substring")]
[assembly: AssemblyCopyright("Copyright © Xeon Productions 2017")]
[assembly: AssemblyTrademark("")]
[assembly: AssemblyCulture("")]
// Setting ComVisible to false makes the types in this assembly not visible
// to COM components. If you need to access a type in this assembly from
// COM, set the ComVisible attribute to true on that type.
[assembly: ComVisible(false)]
// The following GUID is for the ID of the typelib if this project is exposed to COM
[assembly: Guid("b1db4789-2f4c-41d5-84cd-b3d2a199d058")]
// Version information for an assembly consists of the following four values:
//
// Major Version
// Minor Version
// Build Number
// Revision
//
// You can specify all the values or you can default the Build and Revision Numbers
// by using the '*' as shown below:
// [assembly: AssemblyVersion("1.0.*")]
[assembly: AssemblyVersion("1.0.0.0")]
[assembly: AssemblyFileVersion("1.0.0.0")]

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using System.Text;
namespace P003_Longest_Substring
{
class Solution
{
/**
* 983 / 983 test cases passed.
* Status: Accepted
* Runtime: 288 ms
*/
public int LengthOfLongestSubstring(string s)
{
int largestSubstring = 0;
string lastSubstring = "";
StringBuilder sb = new StringBuilder();
for (int i = 0; i < s.Length; i++)
{
int j = i;
for (j = i; j < s.Length; j++)
{
lastSubstring = sb.ToString();
if (!sb.ToString().Contains(s[j].ToString()))
sb.Append(s[j].ToString());
else
{
if (sb.Length > largestSubstring)
largestSubstring = sb.Length;
sb.Clear();
break;
}
}
// stop searching
if (i + largestSubstring > s.Length)
break;
// another horrible speed hack
if (j + lastSubstring.Length < s.Length && s.Substring(j, lastSubstring.Length) == lastSubstring)
i = i + lastSubstring.Length - 1;
}
return largestSubstring > 0 ? largestSubstring : s.Length;
}
}
}