Cod sursa(job #3277869)

Utilizator Razvan48Capatina Razvan Nicolae Razvan48 Data 17 februarie 2025 18:01:36
Problema Numerele lui Stirling Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.98 kb
#include <fstream>

using namespace std;

const int MODULO = 98999;

const int NMAX = 200;
const int MMAX = 200;

int s[1 + NMAX][1 + MMAX];
int S[1 + NMAX][1 + MMAX];

void precalculareS()
{
    s[0][0] = 1;
    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]) % MODULO) % MODULO;
            S[i][j] = (S[i - 1][j - 1] + (j * S[i - 1][j]) % MODULO) % MODULO;
        }
    }
}

int main()
{
    ios_base::sync_with_stdio(false);

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

    in.tie(nullptr);
    out.tie(nullptr);

    precalculareS();

    int t;
    in >> t;

    while (t--)
    {
        int x, n, m;
        in >> x >> n >> m;

        if (x == 1)
            out << s[n][m] << '\n';
        else
            out << S[n][m] << '\n';
    }

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

    return 0;
}