Add one without using positive operator

 Ans .  Here we learn two method to add one without using positive operator

1. This is the first method to add one without using positive operator

2. This the second method to add the one without using positive operator

How to swap two number

 Ans:- Now we will learn three method to swap the two  number 

(1)  This is first method to swap the number by using extra variable 

(2)  This is second method to swap the number without using extra variable 

(3)  This is third method to swap the number by  using XOR operator