how to exchange two variables without using a third (idea) by ApoxyButt

You can do this with two bit strings using only three XOR's. For instance, take the strings a=0010, b=1011.

a = a XOR b = 1001
b = a XOR b = 0010
a = a XOR b = 1011

TMTOWTDI	machine epsilon	Female restroom etiquette	XOR swap
Impossible Nintendo Cartridges	Why I got my tattoo	Any sufficiently nice person is indistinguishable from someone who likes you	How to exchange two variables by using a third
When I have female children	catastrophic cancellation	XOR	Experiences With Shaving
Why?	Young Virgin Auto-Sodomized by Her Own Chastity	polymorphic virus	Perl
String Theory	How I plan to use Spain	Starbucks and Starbucks	The Book of Who Cares
Søren Kierkegaard

how to exchange two variables without using a third (idea)

Login
Password