Cod sursa(job #1797770)

Utilizator vladavladaa vlada Data 4 noiembrie 2016 18:57:03
Problema Submultimi Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.54 kb
#include <iostream>
#include <fstream>

using namespace std;
ifstream fin("submultimi.in");
ofstream fout("submultimi.out");
int n;
int p,i,ok;
int v[200];
void back(int p)
{
    if(p==n+1)
      {
          ok=0;
          for(i=1;i<=n;i++)
        if(v[i]!=0)
            ok=1;
      if(ok)
     {for(i=1;i<=n;i++)
        if(v[i]==1)
        fout<<i<<" ";
    fout<<'\n';}
    return;
      }
      v[p]=0;
      back(p+1);
      v[p]=1;
      back(p+1);

}
int main()
{
    fin>>n;
    back(1);
    return 0;
}