Cod sursa(job #2314335)

Utilizator nurof3nCioc Alex-Andrei nurof3n Data 8 ianuarie 2019 12:48:52
Problema Numerele lui Stirling Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.8 kb
#include <fstream>

using namespace std;

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

const int MOD = 98999;
const int N_MAX = 200;

int T;
int s[N_MAX + 1][N_MAX + 1];
int S[N_MAX + 1][N_MAX + 1];

void compute_stirling() {

    s[0][0] = S[0][0] = 1;
    for(int i = 1; i <= N_MAX; ++i) {
        s[i][0] = S[i][0] = 0;
        for(int j = 1; j <= i; ++j)
            s[i][j] = (s[i - 1][j - 1] - (i - 1) * s[i - 1][j]) % MOD,
            S[i][j] = (S[i - 1][j - 1] + j * S[i - 1][j]) % MOD;
    }

}

int main() {
    compute_stirling();

    in >> T;
    int speta, n, m;
    while(T--) {
        in >> speta >> n >> m;
        if(speta == 1)
            out << s[n][m] << '\n';
        if(speta == 2)
            out << S[n][m]<< '\n';
    }

    return 0;
}