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Cod sursa(job #614626)
#include<fstream>
using namespace std;
int n,m,v[12],i,uz[12];
ofstream g("permutari.out");
void afisare(int k)
{
for(i=1;i<=k;i++)g<<v[i]<<" ";
g<<"\n";
}
void permutari(int k)
{
if(k==n+1)afisare(k-1);
else
for(int i=1;i<=n;i++)
if(!uz[i])
{
uz[i]=1;
v[k]=i;
permutari(k+1);
uz[i]=0;
}
}
int main()
{
ifstream f("permutari.in");
f>>n;
permutari(1);
f.close();g.close();
return 0;}