Contest Clarifications

Is the sample 3 correct?
I calculated it as incorrect.
FreeRadiant at 2010-01-02 13:44:24

RE:Is the sample 3 correct?
It's correct.   --- author
_admin at 2010-01-02 13:49:31

RE:Is the sample 3 correct?
I'm the author(it's not a secret since my id is shown in the bottom -_-)
I'm sure the last sample is correct (the last case is 7 people, 5 boxes, and each winner gets 1$, is there anything wrong?)
乌鸦@Mars at 2010-01-02 13:57:21

RE:Is the sample 3 correct?
nothing but my program got a different result.
FreeRadiant at 2010-01-02 14:30:58

RE:Is the sample 3 correct?
就一级数求和嘛，怎么这么恶心，wa8次了
zjut_DD at 2010-01-02 15:12:55