Cod sursa(job #663494)

Utilizator lucian666Vasilut Lucian lucian666 Data 18 ianuarie 2012 16:35:34
Problema Numerele lui Stirling Scor 20
Compilator cpp Status done
Runda Arhiva educationala Marime 0.64 kb
#include<fstream>
#define NR 98999
#define N 250
using namespace std;
ofstream out("stirling.out");
int S[N][N],s[N][N],n,m,speta;
void spetaI()
{
	s[1][1]=1;
	for(int i=2;i<N;++i)
		for(int j=1;j<=i;++j)
			s[i][j]=(s[i-1][j-1]-(i-1)*s[i-1][j])%NR;
}
void spetaII()
{
	S[1][1]=1;
	for(int i=2;i<N;++i)
		for(int j=1;j<=i;++j)
			s[i][j]=(S[i-1][j-1]+j*S[i-1][j])%NR;
}
int main()
{
	ifstream in("stirling.in");
	int t;
	in>>t;
	
	while(t)
	{
		
	
		in>>speta>>n>>m;
		if(speta==1)
			{
				spetaI();
			out<<s[n][m]<<"\n";
		}
		if(speta==2)
		{		spetaII();
			out<<S[n][m]<<"\n";
		}
		t--;
	}
	return 0;
}