Merge pull request thuva4#372 from Anat-Port/master

thuva4 · web-flow · commit 575e6971eb4e · 2017-10-26T10:04:48.000+05:30
Added Xor Swap in Python, JavaScript and C#
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
@@ -154,3 +154,4 @@ Unfortunately, sometimes the bug can be only reproduced in your project or in yo
 - [Judar Lima](https://github.com/judarlima)
 - [Jhalaa](https://github.com/jhalaa)
 - [langlk](https://github.com/langlk)
+- [Anat Portnoy](https://github.com/Anat-Port)
diff --git a/README.md b/README.md
@@ -61,7 +61,7 @@ TernarySearch | :+1: |:+1:  |  | :+1: | :+1: |  |  |  |
 Topological Sort |  |  |  |  | :+1: |  |  |  |  
 Segmented Sieve |:+1:| :+1: |  |  | :+1: |  |  |  |  
 Union Find |:+1:|:+1:|  | :+1: |  |  |  |  |  
-Xor swap |:+1:|  |  |  |  |  |  |  |
+Xor swap |:+1:|:+1:|  |  |  |:+1:|:+1:|  |
 Connected-component labeling |  |  |  |  |:+1:|  |  |  |
 
 
diff --git a/XorSwap/C#/XorSwap.cs b/XorSwap/C#/XorSwap.cs
@@ -0,0 +1,20 @@
+using System;
+
+public class XorSwap
+{
+    void Swap( ref int a, ref int b)
+	{
+	   a ^= b;
+       b ^= a;
+       a ^= b;
+	}
+
+	void Main()
+    {
+        int a = 5;
+		int b = 10;
+		XorSwap(ref a, ref b);
+    }
+}
+
+
diff --git a/XorSwap/JavaScript/XorSwap.js b/XorSwap/JavaScript/XorSwap.js
@@ -0,0 +1,17 @@
+/**
+ * xorSwap
+ * 
+ * Swaps two variables without using a temporary variable
+ * 
+ */
+function xorSwap()
+{
+  var a = 5, b = 10;	
+  a = a ^ b;
+  b = a ^ b;
+  a = a ^ b;
+
+  console.log("a = " + a + ", b = " + b);
+}
+
+
diff --git a/XorSwap/Python/XorSwap.py b/XorSwap/Python/XorSwap.py
@@ -0,0 +1,11 @@
+# Swaps two variables without using a temporary variable
+def xorswap(a, b):
+    a = a ^ b
+    b = a ^ b
+    a = a ^ b
+    return a, b
+
+a = 5
+b = 10
+a, b = xorswap(a, b)
+print (a,b)
