API tools faq
paste
Albinutte

Untitled

Albinutte
Mar 4th, 2016
210
0
Never
Add comment
Not a member of Pastebin yet? Sign Up, it unlocks many cool features!
Python 0.20 KB | None | 0 0
raw download clone embed print report
  1. def countDown(n):
  2.     if n % 3:
  3.         return "-1"
  4.     res = [str(i) for i in range(n, 0, -1)]
  5.     for i in range(3, n, 3):
  6.         res[i], res[i + 2] = res[i + 2], res[i]
  7.     return ''.join(res)
Advertisement
Add Comment
Please, Sign In to add comment
Public Pastes
We use cookies for various purposes including analytics. By continuing to use Pastebin, you agree to our use of cookies as described in the Cookies Policy.  OK, I Understand
Not a member of Pastebin yet?
Sign Up, it unlocks many cool features!