Discussion @ 1788. On the Benefits of Umbrellas @ Timus Online Judge

why 19? void 16 Oct 2010 14:03

how we get 19 in example? don't understand how got odd number.
my answer is 20.

Re: why 19? Roman Rubanenko 16 Oct 2010 14:32

i also can't catch it.Explain it pls,if it is possible.

Re: why 19? shnell1 16 Oct 2010 15:00

And I also can't understand the answer 19((

Re: why 19? Mark_tven 16 Oct 2010 15:13

All right!!! one boy take one girl and ans=8*1+6*1+4*1+1=19

Re: why 19? S.77 4 Aug 2011 22:43

Thanks.

Discussion of Problem 1788. On the Benefits of Umbrellas