Cod sursa(job #1135161)

Utilizator Tomas123Tomas Boboi Tomas123 Data 7 martie 2014 13:39:09
Problema Combinari Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.69 kb
#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("combinari.in");
ofstream fout("combinari.out");
int i,n,st[101],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;
}