Cod sursa(job #2864183)

Utilizator CristianPavelCristian Pavel CristianPavel Data 7 martie 2022 17:40:47
Problema Combinari Scor 80
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.61 kb
#include <fstream>
using namespace std;
ifstream cin("combinari.in");
ofstream cout("combinari.out");
int st[20];
int n,k2;
void tipareste(int k)
{
    for(int i=1;i<=k;i++)
        cout<<st[i]<<" ";
    cout<<endl;
}
int valid(int k)
{
    if(k==1) return 1;
    if(st[k]<=st[k-1]) return 0;
    return 1;
}
void backtr(int k)
{
    for(int i=1;i<=n;i++)
    {
        st[k]=i;
        if(valid(k))
        {
            if(k==k2) tipareste(k);
            else backtr(k+1);
        }
    }
}
int main()
{
    cin>>n>>k2;
    backtr(1);
    cin.close();
    cout.close();
    return 0;

}