Answer Posted / sushma rani

Here we have two variable A=4, B=3

we need to swap values without taking any third variable
result should be A=3, B=4

for that we can do ,
A=A+B-A (e.g. A=4+3-4 => 3)
and
B=B+A-B (e.g. B=3+4-3 => 4)

That's it....

Thanks & Regards
Sushma Rani
Bangalore
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