#### How to Swap of two number without using 3rd or temp variable?

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1. Post:11

Points:55
##### How to Swap of two number without using 3rd or temp variable?

It is a program to swap two number without using the 3rd variable.

```using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks;

namespace ConsoleApplication4{
class Program    {
static void Main(string[] args)
int num1, num2;
string y;
do            {
Console.Write("Enter the First Number : ");
Console.Write("Enter the Second Number : ");
num1 = num1 + num2;
num2 = num1 - num2;
num1 = num1 - num2;
Console.WriteLine("Swapping is completed \n 1st number is {0} \n 2nd number is {1}", num1, num2);
Console.WriteLine("Do you want to Repeat Y/N \n");
} while (y == "y" || y == "Y");
if (y == "n" || y == "N")
Console.WriteLine("Exiting the program");
else
Console.WriteLine("You have entered wrong entry exiting the program");
}
}
}```

Modified On Mar-28-2018 06:47:20 AM
1. Post:70

Points:350
##### How to Swap of two number without using 3rd or temp variable?

It is very useful program for swapping of two number.

I have also another code for the same

` Console.Writeline("Enter the First Number : ");                num1 = Convert.ToInt32(Console.ReadLine());                Console.Write("Enter the Second Number : ");                num2 = Convert.ToInt32(Console.ReadLine());                num2=num1*num2/(num1=num2);                Console.WriteLine(" number1 : {0} number2 : {1}", num1, num2);\`

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