Cod sursa(job #1529680)

Utilizator PaulStighiStiegelbauer Paul-Alexandru PaulStighi Data 21 noiembrie 2015 10:28:11
Problema Combinari Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.65 kb
#include<fstream>
using namespace std;
ifstream fin("combinari.in");
ofstream fout("combinari.out");

int N,M,X[20];

bool valid(int k)
{
    return (X[k]>X[k-1]);
}

bool solutie(int k)
{
    return (k==M);
}

void Print(int k)
{
    for(int i=1;i<=k;++i)
        fout<<X[i]<<" ";
    fout<<"\n";
}

void backtr(int k)
{
    for(int i=1;i<=N;++i)
    {
        X[k]=i;
        if(valid(k))
        {
            if(solutie(k))
                Print(k);
            else
                backtr(k+1);
        }
    }
}

int main()
{
    fin>>N>>M;

    backtr(1);

    fin.close();
    fout.close();
    return 0;
}