Discussion @ 1209. 1, 10, 100, 1000... @ Timus Online Judge

Very simple solution HERE!

Posted by BlackShark 2 Jan 2009 14:32

const eps=0.000001;
var i,n:word; a,b:real;
begin
readln(n);
for i:=1 to n do begin
readln(b);
a:=(sqrt(8*b-7)-1)/2;
if (frac(a)<eps) or (frac(a)>1-eps) then write('1 ')
else write('0 ');
end;
end.

Re: Very simple solution HERE!

Posted by RobinGud 1 Feb 2017 01:17

Thank you very much!

Re: Very simple solution HERE!

Posted by HuyBui 18 Dec 2017 07:55

Can anyone explain how does it give the right answers?

Re: Very simple solution HERE!

Posted by Hafizur Rahman 14 Jun 2019 19:34

can you please explain the logic of the problem?

Discussion of Problem 1209. 1, 10, 100, 1000...