/* program to swap two variable without extra variable */

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Description :

We need to exchange the value of variable.
i.e if there are two variable x, y and x = 5, y= 6 then our program should make x=6, y=5.

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Logic :

Here we are not using third variable, instead we are swaping two number by using mathematical operation.

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Program :

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Output :

Executed and Tested in Turbo C 3.2
Written with ♥ from
Mangesh.