(ALWAYS ON TOP)Temporary
#define EPSILON 1e-10
http://www-math.cudenver.edu/~wcherowi/courses/m5410/exeucalg.html
http://tmtacm.no-ip.org/JudgeOnline/
Catalan
{
http://steiner.math.nthu.edu.tw/chuan/123/test/catalan.html
http://www.answers.com/topic/catalan-number?cat=technology
1.C(n)=C(n-1)*(4n-2)/(n+1)
2.C(n)=(2n)!/n!(n+1)!
3.C(n)=C(0)C(n-1)+C(1)C(n-2)+...+C(n-1)C(0)
}
Range Minimum/Maximum Query
C++(5)
