Write a program to swap two numbers without using third variable

#1

Write a program to swap two numbers without using third variable.

#2

hello @pushaansharma

u can do it like this->
read a and b

  1. a=a+b;//a=30 (10+20)
  2. b=a-b;//b=10 (30-20)
  3. a=a-b;//a=20 (30-10)
    a and b are swapped now
#3

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