Cod sursa(job #3300268)

Utilizator Alex_567Toma Alex Alex_567 Data 14 iunie 2025 11:49:58
Problema Numerele lui Stirling Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.77 kb
#include <iostream>
#include <fstream>

using namespace std;

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

const int NMAX=201,MOD=98999;

int n,m,T,s[NMAX][NMAX],S[NMAX][NMAX],x;

void calc1()
{
    s[0][0]=1;
    for(int i=1; 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 calc2()
{
    S[0][0]=1;
    for(int i=1; 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()
{
    calc1();
    calc2();
    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;
}