Cod sursa(job #3211222)

Utilizator MerlinTheWizardMelvin Abibula MerlinTheWizard Data 8 martie 2024 19:00:07
Problema Numerele lui Stirling Scor 10
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.96 kb
#include<bits/stdc++.h>
#pragma GCC optimize("O3")

using namespace std;

const int NMAX = 205, MOD = 98999;
int n, m;
long long st1[NMAX][NMAX], st2[NMAX][NMAX];

void cerinta1()
{
    cin >> n >> m;
    cout << st1[n][m];
}

void cerinta2()
{
    cin >> n >> m;
    cout << st2[n][m];
}

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    freopen("stirling.in", "r", stdin);
    freopen("stirling.out", "w", stdout);

    st1[0][0] = 1;st2[0][0] = 1;
    for(int i = 1; i <= NMAX - 5; i++)
    {
        for(int j = 1; j <= i; j++) 
        {
            st1[i][j] = (st1[i - 1][j - 1] + (i - 1) * st1[i - 1][j]) % MOD;
            st2[i][j] = (st2[i - 1][j - 1] + j * st2[i - 1][j]) % MOD;
        }
    }
    
    int t, c;
    cin >> t;

    while(t--)
    {
        cin >> c;
        if(c == 1)
            cerinta1();
        else    
            cerinta2();
        cout << "\n";
    }
}