Cod sursa(job #3241511)

Utilizator raulthestormIlie Raul Ionut raulthestorm Data 30 august 2024 22:50:01
Problema Numerele lui Stirling Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.76 kb
#include <iostream>
#include <fstream>
using namespace std;

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

const int MOD = 98999,
          MAX = 201;
int s[MAX][MAX], S[MAX][MAX];

void stirling()
{
    int i, j;
    s[1][1] = S[1][1] = 1;
    for(i = 2; i < MAX; ++i)
        for(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()
{
    int T, x, n, k;
    stirling();
    f >> T;
    while(T--)
    {
        f >> x >> n >> k;
        if(x == 1)
            g << s[n][k];
        else
            g << S[n][k];
        g << '\n';
    }
    f.close();
    g.close();
    return 0;
}