Cod sursa(job #2198065)

Utilizator LivcristiTerebes Liviu Livcristi Data 23 aprilie 2018 15:27:37
Problema Numerele lui Stirling Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.79 kb
#include <iostream>
#include <fstream>
#define NUM 205
#define MOD 98999
int s[NUM][NUM];
int S[NUM][NUM];
int n, m, t, nr;
using namespace std;
void pre_s()
{
    s[1][1] = 1;
    for(int i = 2; i < NUM; ++i)
        for(int j = 1; j <= i; ++j)
            s[i][j] = (s[i - 1][j - 1] - (i - 1) * s[i - 1][j]) % MOD;
}
void pre_S()
{
    S[1][1] = 1;
    for(int i = 2; i < NUM; ++i)
        for(int j = 1; j <= i; ++j)
            S[i][j] = (S[i - 1][j - 1] + j * S[i - 1][j]) % MOD;
}
int main()
{
    ifstream f("stirling.in");
    ofstream g("stirling.out");
    pre_s();
    pre_S();
    f >> t;
    for(int i = 0; i < t; ++i)
    {
        f >> nr >> n >> m;
        (nr == 1) ? (g << s[n][m]) : (g << S[n][m]);
        g << "\n";
    }
    f.close();
    g.close();
}