Cod sursa(job #539407)

Utilizator iulishorIulian Popescu iulishor Data 22 februarie 2011 22:12:08
Problema Numerele lui Stirling Scor 20
Compilator cpp Status done
Runda Arhiva educationala Marime 0.44 kb
#include<fstream>
using namespace std;
int n,m,i,j,t,x;
long s[201][201],S[201][201];
int main()
{
	ifstream fin("stirling.in");
	ofstream fout("stirling.out");
	s[0][0]=S[0][0]=1;
	for(i=1;i<=200;i++)
		for(j=1;j<=200;j++)
		{
			s[i][j]=s[i-1][j-1]-(i-1)*s[i-1][j];
			S[i][j]=S[i-1][j-1]+j*S[i-1][j];
		}
	fin>>t;
	for(i=1;i<=t;i++)
	{
		fin>>x>>n>>m;
		if(x==1)
			fout<<s[n][m]<<"\n";
		else
			fout<<S[n][m]<<"\n";
	}
}