Discussion @ 1550. Dean's Pyramid 3 @ Timus Online Judge

Caesar_KZ HELP [5] // Problem 1550. Dean's Pyramid 3 21 Apr 2007 13:59

The task is to find a volume of Piramid - volume of cylindr ? CAn you tell me the FORMULA?

Kollekcioner2007 Re: HELP [4] // Problem 1550. Dean's Pyramid 3 21 Jun 2007 02:29

It is very easy)))
double res = sqr(w)*h/3-h*pi*sqr(r)*(w-2*fabs((((y >= x && y >= -x) || (y < x && y < -x)) ? y : x)))/w;

Neizvestnii Re: HELP [1] // Problem 1550. Dean's Pyramid 3 21 Jun 2007 14:54

What procedure fabs does?

Paul Diac Re: HELP // Problem 1550. Dean's Pyramid 3 7 Sep 2007 22:38

abs (absolute value) for float.

Paul Diac Re: HELP // Problem 1550. Dean's Pyramid 3 7 Sep 2007 23:27

How can you solve it so easy?

ArcSin Re: HELP // Problem 1550. Dean's Pyramid 3 16 Oct 2007 21:56

Kollekcioner2007 wrote 21 June 2007 02:29

It is very easy)))
double res = sqr(w)*h/3-h*pi*sqr(r)*(w-2*fabs((((y >= x && y >= -x) || (y < x && y < -x)) ? y : x)))/w;

Why is minus? ..w-2*fabs..

Discussion of Problem 1550. Dean's Pyramid 3