Cod sursa(job #2260942)
Utilizator | Tony Barosanu Junior TOnYbArOsAnU | Data | 15 octombrie 2018 19:36:22 |
---|---|---|---|
Problema | Submultimi | Scor | 100 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.55 kb |
#include <iostream>
#include <fstream>
using namespace std;
ifstream in("submultimi.in");
ofstream out("submultimi.out");
int n;
bool a[20],ok=0;
void bacK(int k)
{
for(int i=0;i<=1;i++)
{
a[k]=i;
if(k==n)
{
ok=0;
for(int j=1;j<=k;j++)
{
if(a[j]==1)
{out<<j<<' ';ok=1;}
}
if(ok)
out<<'\n';
}
else
bacK(k+1);
}
}
int main()
{
in>>n;
bacK(1);
return 0;
}