Discussion @ 1638. Bookworm @ Timus Online Judge

solution The are three formules

Posted by Michail Yudin 3 Apr 2009 16:47

when first book = last book, when first book < last book and when last book < first book.
5 minutes to got it. its very simple;
solution at o(1); AC 0,015

Re: solution The are three formules

Posted by dAFTc0d3r [Yaroslavl SU] 25 Mar 2010 01:14

In fact we can solve it without if, just one (!) formula:
abs( ( n2 - n1 ) * ( l1 + 2 * l2 ) - l1 )
8-)

Re: solution The are three formules

Posted by S.77 7 Aug 2011 05:38

Queen Anne is dead, too.

Re: solution The are three formules

Posted by amirani 6 Sep 2011 23:47

:D easy :D only 1 formul is needed i did same as dAFTc0d3r [Yaroslavl SU] :)

Discussion of Problem 1638. Bookworm