Add multipleof3or5

jameslieu · Jan 5, 2022 · e2030f4 · e2030f4
1 parent 76b0f7b
commit e2030f4
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diff --git a/MultipleOf3Or5/MultipleOf3Or5/MultiplesOf3Or5.cs b/MultipleOf3Or5/MultipleOf3Or5/MultiplesOf3Or5.cs
@@ -0,0 +1,40 @@
+namespace MultiplesOf3Or5
+{
+    public class MultiplesOf3Or5
+    {
+        /* 
+            If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. 
+            The sum of these multiples is 23.
+            Finish the solution so that it returns the sum of all the multiples of 3 or 5 below the number passed in. 
+            Additionally, if the number is negative, return 0 (for languages that do have them).
+
+            Note: If the number is a multiple of both 3 and 5, only count it once.  
+         */
+        public static int GetMultiplesOf3Or5(int num)
+        {
+            if (num < 1) {  return 0; }
+
+            var result = 0;
+            var i = 1;
+            while (i < num)
+            {
+                var isMultipleOf3 = i % 3 == 0;
+                var isMultipleOf5 = i % 5 == 0;
+                if (isMultipleOf3 && isMultipleOf5) 
+                {
+                    result += i;
+                    i++;
+                    continue;
+                }
+
+                if (isMultipleOf3 || isMultipleOf5)
+                {
+                    result += i;
+                }
+                i++;
+            }
+
+            return result;
+        }
+    }
+}
diff --git a/MultipleOf3Or5/MultipleOf3Or5/MultiplesOf3Or5.csproj b/MultipleOf3Or5/MultipleOf3Or5/MultiplesOf3Or5.csproj
@@ -0,0 +1,9 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>
diff --git a/MultipleOf3Or5/MultiplesOf3Or5.Tests/MultiplesOf3Or5.Tests.csproj b/MultipleOf3Or5/MultiplesOf3Or5.Tests/MultiplesOf3Or5.Tests.csproj
@@ -0,0 +1,21 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <Nullable>enable</Nullable>
+
+    <IsPackable>false</IsPackable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.11.0" />
+    <PackageReference Include="NUnit" Version="3.13.2" />
+    <PackageReference Include="NUnit3TestAdapter" Version="4.0.0" />
+    <PackageReference Include="coverlet.collector" Version="3.1.0" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\MultipleOf3Or5\MultiplesOf3Or5.csproj" />
+  </ItemGroup>
+
+</Project>
diff --git a/MultipleOf3Or5/MultiplesOf3Or5.Tests/MultiplesOf3Or5Tests.cs b/MultipleOf3Or5/MultiplesOf3Or5.Tests/MultiplesOf3Or5Tests.cs
@@ -0,0 +1,14 @@
+using NUnit.Framework;
+
+namespace MultiplesOf3Or5.Tests
+{
+    public class Tests
+    {
+        [Test]
+        public void Test_GetMultipleOf3Or5()
+        {
+            var actual = MultiplesOf3Or5.GetMultiplesOf3Or5(10);
+            Assert.That(actual, Is.EqualTo(23));
+        }
+    }
+}
diff --git a/MultipleOf3Or5/MultiplesOf3Or5.sln b/MultipleOf3Or5/MultiplesOf3Or5.sln
@@ -0,0 +1,31 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.0.31912.275
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "MultiplesOf3Or5", "MultipleOf3Or5\MultiplesOf3Or5.csproj", "{D51D69AB-B09F-4C99-A9AE-1F267A5CDD7D}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "MultiplesOf3Or5.Tests", "MultiplesOf3Or5.Tests\MultiplesOf3Or5.Tests.csproj", "{820D0399-8B83-43D2-933E-0054542E9CBB}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{D51D69AB-B09F-4C99-A9AE-1F267A5CDD7D}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{D51D69AB-B09F-4C99-A9AE-1F267A5CDD7D}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{D51D69AB-B09F-4C99-A9AE-1F267A5CDD7D}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{D51D69AB-B09F-4C99-A9AE-1F267A5CDD7D}.Release|Any CPU.Build.0 = Release|Any CPU
+		{820D0399-8B83-43D2-933E-0054542E9CBB}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{820D0399-8B83-43D2-933E-0054542E9CBB}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{820D0399-8B83-43D2-933E-0054542E9CBB}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{820D0399-8B83-43D2-933E-0054542E9CBB}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {FD698353-54D6-46A4-B7F0-CA25AA705E97}
+	EndGlobalSection
+EndGlobal