Cod sursa(job #661425)

Utilizator rootsroots1 roots Data 14 ianuarie 2012 15:30:02
Problema Numerele lui Stirling Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.77 kb
#include <fstream>
#include <cstring>

#define sW 201
#define sH 201

#define MOD 98999

using namespace std;

ifstream in;
ofstream out;

int s1[sH][sW];
int s2[sH][sW];

int main()
{
    int Test,x,i,j;

    memset(s1,0,sizeof(s1));
    memset(s2,0,sizeof(s2));

    s1[1][1]=1;
    s2[1][1]=1;

    for(int i=2;i<201;++i)
        for(int j=1;j<=i;++j)
        {
            s1[i][j]=(s1[i-1][j-1]-(i-1)*s1[i-1][j])%MOD;
            s2[i][j]=(s2[i-1][j-1]+j*s2[i-1][j])%MOD;
        }

    in.open("stirling.in");

    in>>Test;

    out.open("stirling.out");

    for(;Test--;)
    {
        in>>x>>i>>j;

        if(x==1) out<<s1[i][j]<<'\n';
        else out<<s2[i][j]<<'\n';
    }

    in.close();
    out.close();

    return 0;
}