As stated in the statement, after spraying or aromatizing of fruit it may become to have fractional value.
25th test is the first case where you need to aromatize one flower and dearomatize another in such way that both of them have fractional value, but their sum is integer.

Edited by author 07.11.2009 05:19

I've changed my algorithm, but have got WA25->WA19. Who knows what does it mean?

Nevermind, I had a stupid bug with bitmasks (I'm wondering how it could pass 19-25 tests).

Thank you very much, this was a non-obvious test.