From a8bd54d0d28e6e7e7556cef364cfa3e9c86bb50c Mon Sep 17 00:00:00 2001
From: Lam Haoyin <root@eatswap.org>
Date: Tue, 22 Feb 2022 00:39:55 +0800
Subject: [PATCH] add: 220221 [csharp]

---
 csharp/Feb22/Feb22.sln                |  6 ++++++
 csharp/Feb22/int-0221/Program.cs      | 24 ++++++++++++++++++++++++
 csharp/Feb22/int-0221/int-0221.csproj | 11 +++++++++++
 3 files changed, 41 insertions(+)
 create mode 100644 csharp/Feb22/int-0221/Program.cs
 create mode 100644 csharp/Feb22/int-0221/int-0221.csproj

diff --git a/csharp/Feb22/Feb22.sln b/csharp/Feb22/Feb22.sln
index d49791e..2aded55 100644
--- a/csharp/Feb22/Feb22.sln
+++ b/csharp/Feb22/Feb22.sln
@@ -2,6 +2,8 @@
 Microsoft Visual Studio Solution File, Format Version 12.00
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "cn-0221", "cn-0221\cn-0221.csproj", "{80105805-C505-4A25-BAE2-1F8AC43D53E7}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "int-0221", "int-0221\int-0221.csproj", "{9CCC88EF-7FA3-4406-B41B-EAC86AEF8760}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -12,5 +14,9 @@ Global
 		{80105805-C505-4A25-BAE2-1F8AC43D53E7}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{80105805-C505-4A25-BAE2-1F8AC43D53E7}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{80105805-C505-4A25-BAE2-1F8AC43D53E7}.Release|Any CPU.Build.0 = Release|Any CPU
+		{9CCC88EF-7FA3-4406-B41B-EAC86AEF8760}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{9CCC88EF-7FA3-4406-B41B-EAC86AEF8760}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{9CCC88EF-7FA3-4406-B41B-EAC86AEF8760}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{9CCC88EF-7FA3-4406-B41B-EAC86AEF8760}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 EndGlobal
diff --git a/csharp/Feb22/int-0221/Program.cs b/csharp/Feb22/int-0221/Program.cs
new file mode 100644
index 0000000..c793307
--- /dev/null
+++ b/csharp/Feb22/int-0221/Program.cs
@@ -0,0 +1,24 @@
+namespace int_0221;
+
+public class Solution {
+	public int MajorityElement(int[] nums) {
+		var m = new Dictionary<int, int>();
+		var n = nums.Length >> 1;
+		foreach (var i in nums) {
+			if (m.ContainsKey(i))
+				++m[i];
+			else
+				m[i] = 1;
+			if (m[i] > n)
+				return i;
+		}
+		// Never reaches
+		return 0;
+	}
+}
+
+public class Runner {
+	private static void Main() {
+		// Tested in C++
+	}
+}
diff --git a/csharp/Feb22/int-0221/int-0221.csproj b/csharp/Feb22/int-0221/int-0221.csproj
new file mode 100644
index 0000000..b71b083
--- /dev/null
+++ b/csharp/Feb22/int-0221/int-0221.csproj
@@ -0,0 +1,11 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <OutputType>Exe</OutputType>
+        <TargetFramework>net6.0</TargetFramework>
+        <RootNamespace>int_0221</RootNamespace>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+    </PropertyGroup>
+
+</Project>