ENG  RUSTimus Online Judge
Online Judge
Problems
Authors
Online contests
About Online Judge
Frequently asked questions
Site news
Webboard
Links
Problem set
Submit solution
Judge status
Guide
Register
Update your info
Authors ranklist
Current contest
Scheduled contests
Past contests
Rules
back to board

Discussion of Problem 1306. Sequence Median

Can you help? Had anyone got WA#8?
Posted by maksay 5 Dec 2007 00:43
I've got WA8 using NlogN algo with 3\4 and 1\4 of numbers/ If somebody had same problems please help or give some tests
Re: Can you help? Had anyone got WA#8?
Posted by vesib 17 Mar 2008 14:09
i had :)
I used heap
my mistake was when n is even, I  didn't check which of the two successors of the biggest element is bigger
for example
n=10
1 2 3 4 5 6 7 8 9 10
my output was 5.0 because i took 6 (the biggest element left)
but i took also 4 instead of 5  (the heap was 6 4 5 ...
and there was no check whether 4>5)

Edited by author 17.03.2008 14:09