Cod sursa(job #2147877)

Utilizator Daria09Florea Daria Daria09 Data 1 martie 2018 10:02:24
Problema Numerele lui Stirling Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.83 kb
#include <iostream>
#include <fstream>
#define NMAX 205
#define MOD 98999
using namespace std;
ifstream f("stirling.in");
ofstream g("stirling.out");
int s[NMAX][NMAX],S[NMAX][NMAX];
void calculez_s()
{
    s[1][1]=1;
    for(int i=2; i<=NMAX-5; i++)
        for(int j=1; j<=i; j++)
            s[i][j]=(s[i-1][j-1]-(i-1)*s[i-1][j])%MOD;
}
void calculez_S()
{
    S[1][1]=1;
    for(int i=2; i<=NMAX-5; i++)
        for(int j=1; j<=i; j++)
            S[i][j]=(S[i-1][j-1]+j*S[i-1][j])%MOD;
}
void solve()
{
    int x,n,m,t;
    f>>t;
    for(int i=1; i<=t; i++)
    {
        f>>x>>n>>m;
        if(x==1)
            g<<s[n][m];
        else
            g<<S[n][m];
        g<<'\n';
    }
    f.close();
    g.close();
}
int main()
{
    calculez_s();
    calculez_S();
    solve();
    return 0;
}