Cod sursa(job #2982644)

Utilizator RobertlelRobert Robertlel Data 20 februarie 2023 17:27:02
Problema Numerele lui Stirling Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.79 kb
#include <iostream>
#include <fstream>
#include <map>

using namespace std;

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

int s1[250][250] , s2[250][250];

int n , t , x , y , z;

void init ()
{
    s1[1][1] = 1;
    for (int i = 2 ; i <= 200 ; i++)
        for (int j = 1 ; j <= i ; j++)
            s1[i][j] = (s1[i - 1][j - 1] - (i - 1) * s1[i - 1][j]) % 98999;

    s2[1][1] = 1;
    for (int i = 2 ; i <= 200 ; i++)
        for (int j = 1 ; j <= i ; j++)
           s2[i][j] = (s2[i - 1][j - 1] + j * s2[i - 1][j]) % 98999;
}

int main()
{
    f >> t;
    init ();
    while (t)
    {
        f >> x >> y >> z;
        if (x == 1)
            g << s1[y][z] << '\n';
        else
            g << s2[y][z] << '\n';
        t--;
    }
    return 0;
}