There is a recurrence for computing the n+1st Catalan Number from the
0th through the nth Catalan Numbers. See
http://en.wikipedia.org/wiki/Catalan_number.
Something like this code fragment ought to do, assuming long long int
is 64 bits:
int CatalanNumber[1001];
int i,n;
long long int x;
CatalanNumber[0] = 1;
for( n = 0 ; n < 1000 ; ++n )
{
x = 0;
for( i = 0 ; i <= n ; ++i )
x += (long long int)CatalanNumber[i] * (long long
int)CatalanNumber[n-i];
CatalanNumber[n+1] = x % 10000;
}
Dave
On Oct 9, 8:36 am, keyankarthi <keyankarthi1...@gmail.com> wrote:
> can anyone suggest how to implement Catalan numbers.. upper limit
> 1000,
>
> consider modulo 10000
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