In article <mailman.8334.1233277403.3487.python-l...@python.org>, Eric Kang <y...@sfu.ca> wrote: > >In python, I set: > >x=1 >y=3 > >z = x >x = y >y = z > > >This gave me 3 1, which are the values of x and y swapped. >The following would have given me the same result: >x, y = y, x > > > >But could the swapping be done using less extra memory than this? What >is the minimum amount of extra memory required to exchange two 32-bit >quantities? What would be the pseudocode that achieves this minimum?
This looks like a homework problem to me.... -- Aahz (a...@pythoncraft.com) <*> http://www.pythoncraft.com/ Weinberg's Second Law: If builders built buildings the way programmers wrote programs, then the first woodpecker that came along would destroy civilization. -- http://mail.python.org/mailman/listinfo/python-list
