Cod sursa(job #3353698)

Utilizator oliviamMarin Olivia oliviam Data 10 mai 2026 11:45:33
Problema Numerele lui Stirling Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.76 kb
#include <fstream>

using namespace std;
const int NMAX=201, MOD=98999;

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

int t, n, m, p, s[NMAX][NMAX], S[NMAX][NMAX];

void precalcul_s()
{
    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 ;
}

void precalcul_S()
{
    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]+j*S[i-1][j])%MOD;
}

int main()
{
    f>>t;
    precalcul_s();
    precalcul_S();
    while(t--)
    {
        f>>p>>n>>m;
        if(p==1)
            g<<s[n][m]<<'\n';
        else if(p==2)
            g<<S[n][m]<<'\n';
    }
    f.close();
    g.close();
    return 0;
}