Cod sursa(job #848200)

Utilizator andreea29Iorga Andreea andreea29 Data 4 ianuarie 2013 23:36:03
Problema Numerele lui Stirling Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 0.79 kb
#include<fstream>

#define maxim 250
#define MOD 98999

using namespace std;

int s[maxim][maxim], s2[maxim][maxim], t, speta, n, m;

int main()
{
    ifstream f ("stirling.in");
    ofstream h ("stirling.out");
    f >> t;
    s[1][1] = 1;
    for (int i = 2; i <= maxim; ++i)
        for (int j = 1; j <= i; ++j)
            s[i][j] = (s[i - 1][j - 1] - (i - 1) * s[i - 1][j]) % MOD;

    s2[1][1] = 1;
    for (int i = 2; i <= maxim; ++i)
        for (int j = 1; j <= i; ++j)
            s2[i][j] = (s2[i - 1][j - 1] + j * s2[i - 1][j]) % MOD;

    for (int i = 1; i <= t; ++i)
    {
        f >> speta >> n >> m;
        if (speta == 1)
            h << s[n][m] << '\n';
        else
            h << s2[n][m] << '\n';
    }
    f.close();
    h.close();
    return 0;
}