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Cod sursa(job #616078)
#include<fstream>
using namespace std;
int n,p[40],uz[40];
ifstream f("permutari.in");
ofstream g("permutari.out");
void afisare()
{
for(int i=1;i<=n;i++)
g<<p[i]<<" ";
g<<"\n";
}
void GenPermutari(int k)
{
int i;
if(k-1==n)
afisare();
else
for(i=1;i<=n;i++)
if(!uz[i])
{
p[k]=i;
uz[i]=1;
GenPermutari(k+1);
uz[i]=0;
}
}
int main()
{
f>>n;
GenPermutari(1);
return 0;
}