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
int a=10; int b=2; a=a^b; b=a^b; a=a^b;
Not get
int a =10;int b=20;a = a + b; /// a=30,b=20b = a - b; /// b=10,a=30a = a - b; /// a=20,b=10
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();}} }
The solution is two use XOR operator int Fisrt = 221; int Second = 100; Fisrt = Fisrt ^ Second; Second = Fisrt ^ Second; Fisrt = Fisrt ^ Second; Console.WriteLine(Fisrt); Console.WriteLine(Second); Console.ReadLine();