Cod sursa(job #539407)
| Utilizator | 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";
}
}