Cod sursa(job #2007539)

Utilizator dragos231456Neghina Dragos dragos231456 Data 3 august 2017 11:06:28
Problema Numerele lui Stirling Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.61 kb
#include <iostream>
#include <fstream>
#define mod 98999
using namespace std;
ifstream f("stirling.in");
ofstream g("stirling.out");
long long s[205][205],S[205][205],n,t,m,x;

void precalc()
{
    s[0][0]=S[0][0]=1;
    for(int i=1;i<=200;++i)
    {
        for(int j=1;j<=i;++j)
        {
            s[i][j]=(s[i-1][j-1]-(i-1)*s[i-1][j])%mod;
            S[i][j]=(S[i-1][j-1]+j*S[i-1][j])%mod;
        }
    }
}

int main()
{
    precalc();
    f>>t;
    for(int i=1;i<=t;++i)
    {
        f>>x>>n>>m;
        if(x==1) g<<s[n][m]<<'\n';
        else g<<S[n][m]<<'\n';
    }
    return 0;
}