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Initial commit for question 61
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‎61_ContinousCards/61_ContinousCards.vcxproj‎

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<PropertyGroup Label="Globals">
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<ProjectGuid>{A82DDB97-1707-49EF-9828-6C83143DCDCB}</ProjectGuid>
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<Keyword>Win32Proj</Keyword>
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<RootNamespace>My61_ContinousCards</RootNamespace>
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<Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
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<ConfigurationType>Application</ConfigurationType>
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<Link>
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</Link>
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<ItemGroup>
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<ClCompile Include="ContinousCards.cpp" />
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<Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
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</Project>

‎61_ContinousCards/61_ContinousCards.vcxproj.filters‎

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<?xml version="1.0" encoding="utf-8"?>
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<UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier>
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<Extensions>h;hh;hpp;hxx;hm;inl;inc;xsd</Extensions>
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</Filter>
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<Filter Include="Resource Files">
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<UniqueIdentifier>{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}</UniqueIdentifier>
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<Extensions>rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms</Extensions>
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</Filter>
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<ClCompile Include="ContinousCards.cpp">
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<Filter>Source Files</Filter>
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</ClCompile>
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</ItemGroup>
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</Project>

‎61_ContinousCards/ContinousCards.cpp‎

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//==================================================================
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// 《剑指Offer——名企面试官精讲典型编程题》代码
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// 作者：何海涛
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//==================================================================
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// 面试题61：扑克牌的顺子
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// 题目：从扑克牌中随机抽5张牌，判断是不是一个顺子，即这5张牌是不是连续的。
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// 2～10为数字本身，A为1，J为11，Q为12，K为13，而大、小王可以看成任意数字。
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#include <cstdio>
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#include <cstdlib>
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int Compare(const void *arg1, const void *arg2);
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bool IsContinuous(int* numbers, int length)
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{
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if(numbers == nullptr || length < 1)
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return false;
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qsort(numbers, length, sizeof(int), Compare);
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int numberOfZero = 0;
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int numberOfGap = 0;
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// 统计数组中0的个数
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for(int i = 0; i < length && numbers[i] == 0; ++i)
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++numberOfZero;
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// 统计数组中的间隔数目
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int small = numberOfZero;
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int big = small + 1;
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while(big < length)
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{
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// 两个数相等，有对子，不可能是顺子
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if(numbers[small] == numbers[big])
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return false;
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numberOfGap += numbers[big] - numbers[small] - 1;
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small = big;
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++big;
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}
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return (numberOfGap > numberOfZero) ? false : true;
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}
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int Compare(const void *arg1, const void *arg2)
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{
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return *(int*) arg1 - *(int*) arg2;
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}
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// ====================测试代码====================
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void Test(const char* testName, int* numbers, int length, bool expected)
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{
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if(testName != nullptr)
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printf("%s begins: ", testName);
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if(IsContinuous(numbers, length) == expected)
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printf("Passed.\n");
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else
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printf("Failed.\n");
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}
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void Test1()
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{
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int numbers[] = { 1, 3, 2, 5, 4 };
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Test("Test1", numbers, sizeof(numbers) / sizeof(int), true);
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}
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void Test2()
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{
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int numbers[] = { 1, 3, 2, 6, 4 };
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Test("Test2", numbers, sizeof(numbers) / sizeof(int), false);
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}
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void Test3()
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{
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int numbers[] = { 0, 3, 2, 6, 4 };
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Test("Test3", numbers, sizeof(numbers) / sizeof(int), true);
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}
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void Test4()
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{
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int numbers[] = { 0, 3, 1, 6, 4 };
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Test("Test4", numbers, sizeof(numbers) / sizeof(int), false);
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}
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void Test5()
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{
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int numbers[] = { 1, 3, 0, 5, 0 };
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Test("Test5", numbers, sizeof(numbers) / sizeof(int), true);
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}
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void Test6()
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{
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int numbers[] = { 1, 3, 0, 7, 0 };
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Test("Test6", numbers, sizeof(numbers) / sizeof(int), false);
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}
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void Test7()
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{
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int numbers[] = { 1, 0, 0, 5, 0 };
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Test("Test7", numbers, sizeof(numbers) / sizeof(int), true);
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}
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void Test8()
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{
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int numbers[] = { 1, 0, 0, 7, 0 };
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Test("Test8", numbers, sizeof(numbers) / sizeof(int), false);
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}
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void Test9()
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{
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int numbers[] = { 3, 0, 0, 0, 0 };
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Test("Test9", numbers, sizeof(numbers) / sizeof(int), true);
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}
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void Test10()
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{
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int numbers[] = { 0, 0, 0, 0, 0 };
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Test("Test10", numbers, sizeof(numbers) / sizeof(int), true);
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}
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// 有对子
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void Test11()
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{
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int numbers[] = { 1, 0, 0, 1, 0 };
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Test("Test11", numbers, sizeof(numbers) / sizeof(int), false);
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}
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// 鲁棒性测试
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void Test12()
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{
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Test("Test12", nullptr, 0, false);
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}
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int main(int argc, char* argv[])
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{
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Test1();
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Test2();
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Test3();
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Test4();
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Test5();
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Test6();
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Test7();
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Test8();
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Test9();
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Test10();
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Test11();
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Test12();
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return 0;
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}
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‎CodingInterviewChinese2.sln‎

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@@ -152,6 +152,8 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "59_02_QueueWithMax", "59_02
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EndProject
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Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "60_DicesProbability", "60_DicesProbability\60_DicesProbability.vcxproj", "{9810A644-A5F8-4AD4-BCEB-B756C94626BC}"
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EndProject
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Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "61_ContinousCards", "61_ContinousCards\61_ContinousCards.vcxproj", "{A82DDB97-1707-49EF-9828-6C83143DCDCB}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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Debug|Any CPU = Debug|Any CPU
@@ -894,6 +896,16 @@ Global
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{9810A644-A5F8-4AD4-BCEB-B756C94626BC}.Release|x64.Build.0 = Release|x64
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{9810A644-A5F8-4AD4-BCEB-B756C94626BC}.Release|x86.ActiveCfg = Release|Win32
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{9810A644-A5F8-4AD4-BCEB-B756C94626BC}.Release|x86.Build.0 = Release|Win32
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{A82DDB97-1707-49EF-9828-6C83143DCDCB}.Debug|Any CPU.ActiveCfg = Debug|Win32
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{A82DDB97-1707-49EF-9828-6C83143DCDCB}.Debug|x64.ActiveCfg = Debug|x64
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{A82DDB97-1707-49EF-9828-6C83143DCDCB}.Debug|x64.Build.0 = Debug|x64
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{A82DDB97-1707-49EF-9828-6C83143DCDCB}.Debug|x86.ActiveCfg = Debug|Win32
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{A82DDB97-1707-49EF-9828-6C83143DCDCB}.Debug|x86.Build.0 = Debug|Win32
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{A82DDB97-1707-49EF-9828-6C83143DCDCB}.Release|Any CPU.ActiveCfg = Release|Win32
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{A82DDB97-1707-49EF-9828-6C83143DCDCB}.Release|x64.ActiveCfg = Release|x64
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{A82DDB97-1707-49EF-9828-6C83143DCDCB}.Release|x64.Build.0 = Release|x64
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{A82DDB97-1707-49EF-9828-6C83143DCDCB}.Release|x86.ActiveCfg = Release|Win32
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{A82DDB97-1707-49EF-9828-6C83143DCDCB}.Release|x86.Build.0 = Release|Win32
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EndGlobalSection
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GlobalSection(SolutionProperties) = preSolution
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HideSolutionNode = FALSE

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