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Cod sursa(job #975352)
#include <fstream>
using namespace std;
ifstream fin ("permutari.in");
ofstream fout ("permutari.out");
int n,a[100],uz[100];
void bkt (int k)
{
if (k==n)
{
int i;
for (i=0;i<n;i++) fout<<a[i]<<' ';
fout<<'\n';
}
else
{
int i;
for (i=1;i<=n;i++)
{
if(uz[i]==0)
{
a[k]=i;
uz[i]=1;
bkt(k+1);
uz[i]=0;
}
}
}
}
int main()
{
fin>>n;
bkt(0);
fin.close();
fout.close();
return 0;
}