Cod sursa(job #937724)

Utilizator Toast97Calin Farcas Toast97 Data 10 aprilie 2013 22:12:04
Problema Submultimi Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.34 kb
Raporteaza aceasta sursa 
#include <fstream>
#include <math.h>

using namespace std;

ifstream f("submultimi.in");
ofstream g("submultimi.out");

int main()
{
    int n,m,i,j;
    f>>n;

    m=pow(2,n);

    for(i=1;i<=m;i++)   {
     for(j=1;j<=n;j++) if(i&(1<<(j-1))) g<<j<<" ";
     g<<'\n';
     }

     f.close();
     g.close();
     return 0;
}