All mentioned solutions cause TLE.

I have got "accepted" on python 2.7 even with very ineffective variant, and python 3.4 always writes TLE
??????

I have same problem! This solution difficult is O(n), but i got TLE #11

[code cuted]
I send this code with python 2.7 and got AC with time 0.67. lol)

Edited by author 30.04.2017 12:38