Swap 2 numbers

Author: AnujitSingh

swap_2_numbers.cpp

@@ -0,0 +1,21 @@
+#include<iostream>
+int main(){
+	int a=10 , b=11 , x=20 , y=22 , t=0;
+	
+	
+	//Without 3rd variable
+	a=a+b;
+	b=a-b;
+	a=a-b;
+	
+	std::cout<<"\nswaping without 3rd :: "<<a<<" , "<<b;
+	
+	//with 3rd variable
+	t=x;
+	x=y;
+	y=t;
+	
+	std::cout<<"\nswaping with 3rd :: "<<x<<" , "<<y;
+	
+	return 0;
+}