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I need the solutn of dis progm...plz help... write a prgm in C or C++ 4r swaping 2 variable's value without using any temporary variable...

Computer Science
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use array
@thangeram can u post d prgm here...
sry my array method is not giving me satisfying output bt u can try this a = a + b; b = a - b; a = a - b;

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Other answers:

If they hold different (integral) values, use the following swap. template inline void swap(T &l, T &r) { l ^= r; r ^= l; l ^= r; } Why don't you just use std::swap?
You need to be very careful using the methods above. You may introduce a bug that causes some values to work and others to fail (this is due to overflow). I believe xor is safer than addition in this case.
thanks for reply...
The XOR will not cause overflow.

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