Cod sursa(job #1379372)
Utilizator | Data | 6 martie 2015 17:37:24 | |
---|---|---|---|
Problema | Submultimi | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.47 kb |
#include <fstream>
using namespace std;
ifstream f("submultimi.in");
ofstream g("submultimi.out");
int a[17], i, n;
void afisare ()
{
bool OK=0;
for(int i=1;i<=n;i++)
if(a[i]==1)
g<<i<<' ', OK=1;;
if(OK) g<<'\n';
}
void back(int k)
{
for(int i=0;i<=1;i++)
{
a[k]=i;
if(k==n)
afisare();
else back(k+1);
}
}
int main()
{
f>>n;
back(1);
return 0;
}