Cod sursa(job #2187347)

Utilizator andreistanStan Andrei andreistan Data 26 martie 2018 13:48:51
Problema Numerele lui Stirling Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.72 kb
#include <iostream>
#include <fstream>
using namespace std;
ifstream f ("stirling.in");
ofstream g ("stirling.out");
const int MOD = 98999;
int s[201][201], S[201][201];
int T, N, M;

void precalc()
{
    s[1][1] = S[1][1] = 1;
    for (int i = 2; i <= 200; i++)
    {
        for (int j = 1; j <= 200; j++)
        {
            S[i][j] = (S[i - 1][j - 1] + j * S[i - 1][j]) % MOD;
            s[i][j] = (s[i - 1][j - 1] - (i - 1) * s[i - 1][j]) % MOD;
        }
    }
}

int main()
{
    f >> T;
    precalc();
    while (T--)
    {
        short int x;
        f >> x >> N >> M;
        if (x == 1)
            g << s[N][M] << '\n';
        else
            g << S[N][M] << '\n';
    }
    return 0;
}