--- [EMAIL PROTECTED] wrote: > > 1. you can compare numbers. > > 2. rotate sequencial 4 numbers: > > from.. 1 2 3 4 5 6 7 > > to 1 2 6 5 4 3 7 > > (ie.. 3 4 5 6 is rotated to 6 5 4 3) > > 3. rotate entire sequence > > from.. 1 2 6 5 4 3 7 > > to 3 7 1 2 6 5 4 > > Is (3) correct? In (2), "rotations" appears to mean > flipping the > subsequence, but in (3), it appears to mean rotate > in the sense I > first interpreted it (cycling elements from one end > to the other, > without otherwise changing the order. > > Which of these is correct? > > a. both mean "flipping": > > 12 3456 7 -> 12 6543 7 > 1234567 -> 7654321 > > b. both mean "cycling:" > > 12 3456 7 -> 12 4563 7 > 1234567 -> 2345671 > > c. They mean different things as you have described > above. In that > case, it appears to be what I call "cycling", but > you have shifted two > elements. Is any number of shifts allowed whilst > still being treated > as an atomic operation? > Yes, 'c' is correct. I should have cleared earlier the second operation as the cyclic shifts. Any number of cyclic shifts possible in single operation.
> Regards, > Ian Boreham Artist __________________________________________________ Do you Yahoo!? Yahoo! Mail Plus - Powerful. Affordable. Sign up now. http://mailplus.yahoo.com
