Cod sursa(job #2194338)

Utilizator lixiLixandru Andrei lixi Data 12 aprilie 2018 22:51:40
Problema Numerele lui Stirling Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.7 kb
#include <iostream>
#include<fstream>
using namespace std;
ifstream f("stirling.in");
ofstream g("stirling.out");
const int MOD = 98999;
const int vmax = 200;
int T, x, n, m, s1[201][201], s2[201][201];
void rec()
{
    s1[1][1] = s2[1][1] = 1;
    for(int i = 2; i <= vmax; i++)
        for(int j = 1; j <= i; j++)
        {
            s1[i][j] = (s1[i - 1][j - 1] - (i - 1) * s1[i - 1][j]) % MOD;
            s2[i][j] = (s2[i - 1][j - 1] + j * s2[i - 1][j]) % MOD;
        }
}

int main()
{
    f >> T;
    rec();
    for(int i = 1; i <= T; i++)
        {f >> x >> n >> m;
        if(x==1)
            g<<s1[n][m]<<'\n';
        else
            g<<s2[n][m]<<'\n';}
    return 0;
}