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Cod sursa(job #146481)
#include<fstream>
using namespace std;
int n, sol[16], uz[16];
ifstream fin("permutari.in");
ofstream fout("permutari.out");
void afis()
{
for(int i=0;i<n;i++)
fout<<sol[i];
fout<<endl;
}
void back(int x)
{
if (x==n)
afis();
else
for(int i=1;i<=n;i++)
if (!uz[i])
{ sol[x]=i;
uz[i]=1;
back(x+1);
uz[i]=0;
}
}
int main()
{
fin>>n;
back(0);
return 0;
}