Thread: rotating a string question..

i got a string and i want to rotate the odd members
str "abcdef"
1 rotate
"afcbed"
second rotate
"adcfeb"

etc..

what is the algorithm for doing that..

Which direction are you gonna rotate the string, left or right?
How about you come with an algorithm and surely board members will help out.

rotating to the right
the index of "f" is 5 and it needs to be on 1
the index of "d" is 3 and it needs to be on 5
the index of "b" is 1 and it needs to be on 3
so ill do copy each odd cell x to x+2 cell
and the last will be copied to cell 1

You pretty much solved it. So you can make a loop - something like

Code:

for (i = 1; i < 6; i += 2)
...