Cod sursa(job #2685309)

Utilizator ChunkylappSafety reason Chunkylapp Data 16 decembrie 2020 16:00:19
Problema Numerele lui Stirling Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.63 kb
#include <fstream>

using namespace std;

const int NMAX=201,
          MOD=98999;

int s[NMAX][NMAX],S[NMAX][NMAX];

ifstream f("stirling.in");
ofstream g("stirling.out");

void calcul(){
    s[1][1]=S[1][1]=1;
    for(int i=2;i<NMAX;++i)
    for(int j=1;j<=i;++j){
        s[i][j]=(s[i-1][j-1]-(i-1)*s[i-1][j])%MOD;
        S[i][j]=(S[i-1][j-1]+j*S[i-1][j])%MOD;
    }

}

int main()
{
    int T,x,n,m;
    calcul();
    f>>T;
    while(T--){
        f>>x>>n>>m;
        if(x==1)
            g<<s[n][m]<<'\n';
        else
            g<<S[n][m]<<'\n';
    }
    f.close();
    g.close();
    return 0;
}