Cod sursa(job #2373628)

Utilizator SoranaAureliaCatrina Sorana SoranaAurelia Data 7 martie 2019 14:37:45
Problema Numerele lui Stirling Scor 20
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.99 kb
#include <cstdio>
#define MOD 98999
using namespace std;
int s1stirling[201][201];
int s2stirling[201][201];
void formarestirlin_despeta_1()
{
    s1stirling[0][0]=1;
    s1stirling[1][1]=1;
    for(int n=1; n<=200; n++)
    {
        for(int k=n; k>0; k--)
            s1stirling[n][k]=s1stirling[n-1][k-1]-(n-1)*s1stirling[n-1][k];
    }
}
void formarestirlin_despeta_2()
{
    s2stirling[0][0]=1;
    s2stirling[1][1]=1;
    for(int n=1; n<=200; n++)
    {
        for(int k=n; k>0; k--)
            s2stirling[n][k]=s2stirling[n-1][k-1]+k*s2stirling[n-1][k];
    }
}
int n, k;
int t, tip;
int main()
{
    freopen("stirling.in","r",stdin);
    freopen("stirling.out","w",stdout);
    formarestirlin_despeta_1();
    formarestirlin_despeta_2();
    scanf("%d", &t);
    for(int i=1;i<=t;i++){
        scanf("%d %d %d", &tip, &n, &k);
        if(tip==1)
            printf("%d\n",s1stirling[n][k]);
        else printf("%d\n", s2stirling[n][k]);
    }
    return 0;
}