Swap two numbers without using any third variable and arithmetic operator.

int a=1; int b=2; a=a b; b=a-b; a= a-b; console.writeline(a.tostring()); console.writeline(b.tostring()); console.readline(); Result : 2 1

Not get

int a=10; int b=2; a=a^b; b=a^b; a=a^b;

int a =10;int b=20; a = a + b; /// a=30,b=20 b = a - b; /// b=10,a=30 a = a - b; /// a=20,b=10

i=10; j=20; i = i ^ k; k = i ^ k; i = i ^ k;

i=10; j=20; i = i ^ k; k = i ^ k; i = i ^ k;

int a =10,int b=20; a= a b; b= a-b; a= a-b;

x = x * y; y = x / y; x = x / y;

using System; namespace SwapTwoNoWithoutUsing3rdVarArithOperator { class Program { static void Main(string[] args) { int i = 65; int k = 120; Console.WriteLine("The value of i={0} and j={1} before swapping" ,i,k); i = i ^ k; k = i ^ k; i = i ^ k; Console.WriteLine("The value of i={0} and j={1} after swapping", i, k); Console.ReadLine(); } } }