Cod sursa(job #1418428)

Utilizator eu3neuomManghiuc Teodor-Florin eu3neuom Data 13 aprilie 2015 01:24:21
Problema Numerele lui Stirling Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.86 kb
#include <iostream>
#include <fstream>

using namespace std;

ifstream fin("stirling.in");
ofstream fout("stirling.out");

const int NMax = 205;
const int MOD = 98999;
long long int A[NMax][NMax],B[NMax][NMax];

void make_stirling(){
    A[1][1] = B[1][1] = 1;
    for(int i = 2; i <= 200; i++){
        for(int j = 1; j <= i; j++){
            A[i][j] = (A[i - 1][j - 1] - (i - 1) * A[i - 1][j] % MOD) % MOD;
        }
    }
    for(int i = 2; i <= 200; i++){
        for(int j = 1; j <= i; j++){
            B[i][j] = (B[i - 1][j - 1] + j * B[i - 1][j] % MOD) % MOD;
        }
    }
}

int main()
{
    int t,x,n,m;
    fin >> t;
    make_stirling();
    while(t--){
        fin >> x >> n >> m;
        if(x == 1){
            fout << A[n][m] << "\n";
        } else {
            fout << B[n][m] << "\n";
        }
    }
    return 0;
}