Cod sursa(job #3222337)

Utilizator AlbertPavPavalache Albert AlbertPav Data 9 aprilie 2024 19:05:32
Problema Numerele lui Stirling Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.78 kb
#include <fstream>

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

int t, op, n, m, S1[NMAX][NMAX], S2[NMAX][NMAX];

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

void calcs()
{
    S1[1][1] = 1;
    for(int i = 2; i < NMAX; i++)
        for(int j = 1; j <= i; j++)
            S1[i][j] = (S1[i - 1][j - 1] - (i - 1) * S1[i - 1][j]) % MOD;
}

void calcS()
{
    S2[1][1] = 1;
    for(int i = 2; i < NMAX; i++)
        for(int j = 1; j <= i; j++)
            S2[i][j] = (S2[i - 1][j - 1] + j * S2[i - 1][j]) % MOD;
}

int main()
{
    f >> t;
    calcs();
    calcS();
    while(t--)
    {
        f >> op >> n >> m;
        if(op == 1)
            g << S1[n][m]<<'\n';
        else
            g << S2[n][m]<<'\n';
    }
    return 0;
}