Cod sursa(job #1135163)

Utilizator robertkarolRobert Szarvas robertkarol Data 7 martie 2014 13:40:34
Problema Combinari Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.66 kb
#include <fstream>
using namespace std;
ifstream fin("combinari.in");
ofstream fout("combinari.out");
long n,st[101],i,k,p;

void tip()
{
    int i;
    for(i=1;i<=p;i++)
        fout<<st[i]<<" ";
    fout<<"\n";
}
int valid (int k)
{
    int i;
    for(i=1;i<k;i++)
        if (st[i]==st[k])
           return 0;
     if(k>=2)
            if(st[k]<st[k-1])
              return 0;

    return 1;
}
void back (int k)
{
    int i;
    for(i=1;i<=n;i++)
    {
        st[k]=i;
        if(valid(k))
            if(k==p)
             tip();
            else back(k+1);
    }
}
int main()
{
    fin>>n>>p;
     back(1);
    return 0;
}