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Cod sursa(job #616891)
#include<fstream>
using namespace std;
ofstream fout("submultimi.out");
int x[100],n;
void afis(int k)
{
fout<<x[1]<<" ";
for(int i=2;i<=k;i++)
fout<<x[i]<<" ";
fout<<endl;
}
void back(int k)
{
for(int i=x[k-1]+1;i<=n;i++)
{
x[k]=i;
afis(k);
back(k+1);
}
}
int main()
{
ifstream fin("submultimi.in");
fin>>n;
back(1);
return 0;
}