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Discussion of Problem 1688. Team.GOV!

WA 11
Posted by an100000 28 Feb 2009 14:33
What is wrong with this test?
Re: WA 11
Posted by Le Do Hoang Nam 28 Feb 2009 14:45
use s > 3*n instead of s / 3 > n
Re: WA 11
Posted by fR0D 28 Feb 2009 14:58
whats wrong with this program?
Got AC using __int64 instead of long long.
Anybody willing to explain why?
Whats the difference between __int64 and long long?

Edited by author 28.02.2009 15:59
Re: WA 11
Posted by an100000 28 Feb 2009 15:13
But if i use it i have wa 10
Re: WA 11
Posted by BVitaly 28 Feb 2009 15:24
Wrong Answer 2
in my pascal code  and in this /\ /\ /\ C code
Re: WA 11
Posted by Le Do Hoang Nam 28 Feb 2009 15:48
because s can be greater than max(long long). Use int64 instead.
Re: WA 11
Posted by fR0D 28 Feb 2009 16:03
But the maximum value of s can be 3000*2*10^6 which is well within the range of long long?
Re: WA 11
Posted by Monyura 28 Feb 2009 16:20
I use int64 and s>n*3 but have WA10, what's wrong with this program?
Re: WA 11
Posted by zsyzhbc_china 5 Jan 2010 10:47
me too
Re: WA 11
Posted by Tural Neymanov 12 Mar 2010 00:23
maybe you should use qword instead of int64 as i did? do not forget to make them both qword and multiply first by three rather than dividing another one.
Re: WA 11
Posted by bigtik 19 Oct 2011 04:50
use long... something biger than int is needed.
Re: WA 11
Posted by Artem Fast 11 Feb 2012 20:05
u can use unsigned long long and get AC